Description
What Is Black Soldier Fly Chitosan Hydrochloride?
Chitosan Hydrochloride Black Soldier Fly is produced by extracting chitin from the dried exoskeletons (pupal cases and exuviae) of Hermetia illucens larvae, deacetylating it into chitosan under controlled conditions, then converting the chitosan into its water-soluble HCl salt form by neutralization with hydrochloric acid.
The entire process at our manufacturing partner Promecens Entosystems Private Limited (Pune, India) uses a patented green chemistry extraction protocol that significantly reduces chemical consumption compared to conventional chitosan processing. The result is a BSF Chitosan HCl with a degree of deacetylation (DDA) of ≥90%, a molecular weight of 60–80 kDa, and a purity level of >99.9% parameters that are verified on every production batch and documented in a Certificate of Analysis provided before purchase.
This product occupies a unique position in the chitosan market. It combines the water solubility and cationic performance of standard Chitosan HCl with the traceability, consistency, and sustainability credentials that neither shellfish nor conventional mushroom sources can match.
For context on where BSF Chitosan HCl fits within the full chitosan derivative family, visit our Chitosan Hydrochloride hub page or read our complete guide to types of chitosan.
Why Black Soldier Fly? The Case for the Gold Standard
The Black Soldier Fly is not simply an alternative to shellfish as a chitosan source. It represents a fundamentally different and in many ways superior production model. Here is why procurement teams and formulation scientists increasingly specify BSF over shellfish or mushroom-derived chitosan.
Controlled Feedstock = Reproducible Product
Shrimp and crab shells the raw material for conventional chitosan vary enormously by species, fishing region, season, and processing method. This variability flows directly into the finished chitosan: molecular weight, degree of deacetylation, color, and heavy metal content can shift meaningfully batch to batch.
Hermetia illucens larvae at Promecens Entosystems are raised in fully enclosed, climate-controlled facilities on a standardized, traceable organic substrate the same feedstock, the same temperature, the same processing cycle, every single batch. The chitosan produced is as reproducible as any synthetic polymer. For pharmaceutical manufacturers, cosmetic developers, and research institutions where batch variance has regulatory or scientific consequences, this consistency is not a preference, it is a requirement.
Patented Green Process — Lower Chemical Load
Standard chitosan production uses concentrated NaOH (40–70%) for deacetylation and strong HCl for demineralization creating significant chemical waste streams. The Promecens green extraction protocol, developed and patented at the CDFD Technology Incubator under India’s Department of Biotechnology, achieves equivalent or superior deacetylation using reduced chemical concentrations and optimized process conditions. This results in:
- Lower residual solvent and ash content in the finished product
- Reduced process wastewater and environmental footprint
- A product that authentically meets the “green chemistry” claims increasingly demanded by ESG-aligned buyers
This is documentable, not just a marketing claim. The green process is patent-protected and independently validated. Read more about our sustainable product innovation and ESG strategy.
Ultra-High Purity — >99.9%
BSF Chitosan HCl from Promecens achieves a purity level of >99.9% significantly higher than typical commercial shellfish chitosan, which commonly shows 95–98% purity with variable mineral and protein residue content. This ultra-high purity is a direct result of the controlled feedstock and optimized extraction process. It makes BSF HCl the preferred choice for:
- Pharmaceutical API carrier and excipient applications
- Injectable and implantable biomedical systems
- Premium cosmetic actives requiring clean ingredient declarations
- Research applications where impurities would confound experimental results
Higher and More Consistent DDA
Scientific literature on BSF chitosan consistently reports DDA values of 88–95%, with optimized extraction achieving >95% (Khayrova et al., Molecules, 2022; PubMed 39638207). Our Promecens-sourced BSF HCl achieves a DDA of ≥90% at the high end of what is achievable from any chitosan source. Higher DDA means:
- More protonated amino groups available for electrostatic interactions
- Stronger cationic charge and antimicrobial activity
- Better water solubility and formulation performance
- Greater mucoadhesive strength for drug delivery applications
Shellfish-Free, Allergen-Free, Vegan
BSF chitosan carries zero shellfish allergen risk. It requires no allergen declaration on food, supplement, or cosmetic product labels. It is compatible with vegan, vegetarian, halal, and kosher certification frameworks. For brands building clean-label product lines or for any formulator supplying markets with strict allergen labeling requirements BSF HCl eliminates the labeling burden entirely.
Year-Round Supply Stability
Unlike shellfish chitosan which is subject to fishing seasons, catch quotas, weather disruptions, and geopolitical supply chain risks BSF production is entirely indoor, year-round, and geographically controlled. Supply is predictable and scalable on demand. This makes BSF HCl the most reliable long-term supply chain choice for manufacturers who cannot afford raw material volatility.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Chitosan Hydrochloride — Black Soldier Fly (BSF HCl) |
| Scientific Name | Chitosan Hydrochloride from Hermetia illucens |
| CAS Number | 70694-72-3 |
| Manufacturing Partner | Promecens Entosystems Pvt. Ltd., Pune, India |
| Molecular Weight | 60–80 kDa (Low Molecular Weight) |
| Degree of Deacetylation (DDA) | ≥90% |
| Purity | >99.9% |
| Solubility | Fully water-soluble at neutral pH (no acid required) |
| Viscosity (1% solution, 25°C) | 10–100 cps |
| Appearance | White to off-white fine powder |
| Moisture Content | ≤10% |
| Ash Content | ≤1% (lower than shellfish-derived) |
| Heavy Metals | Meets pharmaceutical and food-grade limits |
| pH (1% aqueous solution) | 4.5–6.5 |
| Origin | Insect — Black Soldier Fly (Hermetia illucens) exoskeleton |
| Process | Green Process (patented — Promecens Entosystems) |
| Allergen Status | Shellfish-free, allergen-free |
| Vegan Status | Compatible (insect-derived) |
| Facility | Registered FDA Food Facility — India |
| Available Grades | Food, Pharmaceutical, Cosmetic, Agricultural, Industrial |
| Tariff (U.S. Import) | Currently 15% (India origin) |
| COA Available | Yes — provided at quotation stage |
| MSDS Available | Yes |
Note on Molecular Weight: The listed specification of below 5 kDa in the Additional Information tab refers to Chitosan Oligosaccharide grades. The standard BSF Chitosan HCl product is 60–80 kDa. If you need a specific molecular weight range including ultra-low MW oligosaccharide grades contact us to confirm availability.
Download Certificate of Analysis (COA)
Key Performance Properties
Complete Water Solubility
BSF Chitosan HCl dissolves fully and instantly in neutral water across a pH range of approximately 4.5–9. No acid preparation, no heating, no extended mixing time required. This immediate, complete solubility makes it directly processable in standard pharmaceutical, cosmetic, and food manufacturing equipment.
Maximum Cationic Charge Density
The ≥90% DDA of BSF HCl means a very high proportion of amino groups are freely protonated in solution delivering maximum positive charge density. This translates directly into stronger antimicrobial performance, more effective electrostatic binding interactions, and superior mucoadhesion versus lower-DDA shellfish alternatives.
Superior Antimicrobial Activity
Peer-reviewed research (Khayrova et al., 2022) confirms that low molecular weight chitosan derived from Hermetia illucens demonstrates improved antibacterial and antifungal activity compared to equivalent low MW crab chitosan attributed to BSF chitosan’s more amorphous structure and higher DDA enabling greater membrane interaction. This performance advantage is measurable and reproducible.
Mucoadhesive Drug Delivery Performance
The strongly cationic character of BSF HCl (from ≥90% DDA) interacts powerfully with negatively charged mucin glycoproteins coating mucosal surfaces. This produces pronounced mucoadhesion the property that extends drug residence time at nasal, buccal, ocular, and GI mucosal surfaces, significantly improving bioavailability for co-delivered therapeutics.
Biocompatible and Non-Cytotoxic
BSF Chitosan HCl is biocompatible, non-cytotoxic, and biodegradable. Its ultra-high purity (>99.9%) and low ash content (<1%) reduce the risk of trace contaminants that can affect cell viability assays or in vivo tolerability a meaningful advantage in pharmaceutical and biomedical research contexts versus lower-purity shellfish sources.
Fully Biodegradable — No Environmental Persistence
BSF HCl is fully degraded by lysozyme and chitinase enzymes present in both biological systems and the natural environment. No synthetic polymer residue, no microplastic contribution, no persistent environmental accumulation. For brands communicating biodegradable formulation credentials, BSF HCl is the most credible chitosan derivative available.
Applications by Industry
Dietary Supplements & Nutraceuticals
BSF Chitosan HCl is the recommended form for human consumption supplements and this recommendation comes from the science, not marketing. The Chitosan Global homepage explicitly notes that “only mushroom or insect chitosan capsules are recommended for human consumption” due to the variability of shellfish raw materials. BSF HCl’s ultra-high purity, consistent DDA, and allergen-free status make it the cleanest available chitosan ingredient for supplement formulation.
Key supplement applications:
- Gut health & microbiome support: Acts as a prebiotic dietary fiber, stimulating growth of beneficial Lactobacillus and Bifidobacterium populations
- Weight management: Cationic fat-binding mechanism in the GI tract reduces dietary fat absorption same mechanism as pharmaceutical-grade chitosan, delivered at >99.9% purity
- Cholesterol management: Binds bile acids, interrupting enterohepatic recycling and reducing LDL
- Toxin binding: High positive charge density enables binding of negatively charged toxins, mycotoxins, and heavy metal ions in the GI tract
- Joint health formulations: Combined with glucosamine sulfate or chondroitin in musculoskeletal products
- Functional beverages: Complete neutral-pH solubility enables use in RTD nutraceutical beverages without acidification
→ Learn more about chitosan in dietary supplements
Pharmaceutical & Biomedical
The combination of >99.9% purity, ≥90% DDA, controlled MW of 60–80 kDa, and green process production makes BSF HCl the premium choice for pharmaceutical R&D and advanced biomedical applications where impurity profiles, batch consistency, and provenance documentation matter.
Key pharmaceutical and biomedical applications:
- Oral mucoadhesive drug delivery: Mucoadhesive films, tablets, and gels for buccal and sublingual delivery bypassing first-pass hepatic metabolism with sustained mucosal residence
- Nasal drug delivery: Chitosan HCl nasal sprays and powders improve drug absorption through nasal mucosa with documented permeation enhancement for hydrophilic drugs
- Ocular drug delivery: Viscosity-modifying and mucoadhesive additive in ophthalmic drops and inserts for extended corneal residence
- Gene delivery & transfection: BSF HCl’s high DDA and low MW produce polyplexes with DNA and siRNA non-viral delivery vectors for gene therapy research with minimal cytotoxicity due to ultra-high purity
- Injectable hydrogels: Sterile-filterable low-viscosity BSF HCl solutions can be formulated into depot systems for localized controlled drug release
- Wound care: Antimicrobial hydrogels, dressings, and electrospun fiber matrices BSF HCl’s superior antimicrobial activity and clean safety profile are preferred for direct wound contact applications
- Tissue engineering scaffolds: Biocompatible 3D scaffolds for bone, cartilage, and skin regeneration
→ Explore chitosan for drug delivery systems
Cosmetics & Personal Care
BSF Chitosan HCl is a premium cosmetic active for clean-beauty, vegan-certified, and sustainable product lines. Its shellfish-free origin eliminates label restrictions, and its >99.9% purity supports premium product positioning without supply chain sustainability concerns.
Key cosmetic applications:
- Moisturizing serums and creams: Forms a hygroscopic, adherent film on skin surface that binds moisture, reduces transepidermal water loss, and delivers long-lasting hydration
- Anti-aging actives: Skin barrier support, reduced TEWL, and improved surface texture increasingly specified in premium anti-aging formulations as a vegan alternative to conventional chitosan
- Hair conditioning: Cationic film deposition on negatively charged hair strands smoothing, anti-static, and shine-enhancing without silicone
- Preservative boosting: Antimicrobial activity reduces required synthetic preservative load important for natural and clean-label cosmetic preservation systems
- Wound-care cosmetics: Film-forming protection in advanced skincare and dermacosmetic products targeting scar management and barrier repair
→ Explore mushroom and insect chitosan in cosmetics → See personal care applications
Agriculture — Biostimulant & Crop Protection
BSF Chitosan HCl’s neutral-pH solubility gives it a direct practical advantage in agricultural use: it can be mixed into standard spray tank water at field pH without acidification. This removes the processing barrier that makes native chitosan difficult to use in agricultural spray systems.
Key agricultural applications:
- Foliar biostimulant: Elicits systemic acquired resistance (SAR) triggering natural plant defence cascades against fungal pathogens including powdery mildew and gray mold
- Seed priming: Pre-sowing seed soak with BSF HCl solution improves germination uniformity, emergence speed, and seedling vigor
- Post-harvest treatment: Applied directly to harvested produce as a clean-label, allergen-free antimicrobial coating preserving freshness without synthetic chemicals and without shellfish allergen contamination concerns
- Soil biostimulant drench: Stimulates beneficial soil microbial communities and improves root uptake efficiency
- Animal feed additive: Gut health and immune support in poultry, aquaculture, and livestock BSF origin is particularly relevant in insect-protein feed systems where BSF biomass is already approved and integrated
→ Read the complete guide to chitosan in agriculture
Industrial — Water Treatment, Coatings & Advanced Materials
- Wastewater treatment: High charge density enables superior flocculation of suspended solids, microplastics, heavy metal ions, and anionic dyes in industrial effluent
- Antimicrobial textile coatings: BSF HCl’s enhanced antimicrobial activity versus shellfish equivalents translates to more durable and effective surface coating performance
- Biodegradable packaging films: Blended with PLA or PBAT for compostable packaging with active antimicrobial barrier properties
- Chitosan nanoparticles: BSF HCl’s controlled MW and high DDA enable consistent, reproducible nanoparticle formation for encapsulation applications
- Fiber manufacturing: Incorporated into antimicrobial bicomponent fibers for technical and medical textile applications
→ Explore chitosan in water treatment → See fiber manufacturing applications → See PLA bioplastic applications
BSF vs Shellfish vs Mushroom Chitosan HCl Full Comparison
| BSF HCl (This Product) | Shellfish HCl | Mushroom HCl | |
|---|---|---|---|
| Origin | Insect — Hermetia illucens | Shrimp & crab exoskeleton | Fungal — controlled fermentation |
| Allergen | Shellfish-free | Shellfish declaration required | Allergen-free |
| Vegan | Insect-derived (widely accepted) | No | Yes |
| DDA | ≥90% (highest) | ≥85% | ≥85% |
| Purity | >99.9% | 95–98% typical | 95–98% typical |
| Batch Consistency | Highest (controlled production) | Variable (seasonal) | High (fermentation) |
| Ash Content | <1% (lowest) | 1–3% typical | 1–2% typical |
| MW | 60–80 kDa (controlled) | 50–100 kDa (variable) | 200–500 kDa (higher) |
| Process | Green — patented | Conventional chemical | Conventional chemical |
| Price (1 kg) | $90/kg | $45/kg | $62/kg |
| Price (1 ton) | $60/kg | Contact for quote | Contact for quote |
| ESG/Sustainability | Highest — circular production | Seafood waste dependent | Good — plant fermentation |
| Best For | Pharma, premium supplements, biomedical, clean-label cosmetics | Industrial, agricultural, cost-sensitive | Vegan cosmetics, halal/kosher formulations |
Choosing between BSF and Mushroom HCl for vegan formulations: Both are shellfish-free and allergen-free. BSF offers higher DDA, lower MW, and superior antimicrobial performance. Mushroom HCl offers higher MW for applications requiring film-forming or gel-forming viscosity. Contact us to discuss which fits your specific application.
→ Compare all Chitosan Hydrochloride origins
About the Manufacturer — Promecens Entosystems
Our BSF Chitosan Hydrochloride is manufactured exclusively by Promecens Entosystems Private Limited, based in Pune, India a deep-technology biomaterials company founded by Dr. Abhinav Chauhan and incubated at the CDFD Technology Incubator under India’s Department of Biotechnology.
Promecens holds the world’s first patent for an industrial-scale, green chemistry-based extraction process that transforms Black Soldier Fly biomass into five high-value pharmaceutical and functional biomaterials: advanced chitosan, antimicrobial peptides, cordycepin, eumelanin (>99.9% purity), and notably insulin.
Chitosan Global, operated by Shield Nutraceuticals, Inc., is the exclusive U.S. commercial partner for Promecens chitosan products. When you purchase BSF Chitosan HCl from this page, you are buying directly from the source no intermediary, no anonymous factory, no unverified supply chain. You know exactly where your product comes from.
This supply chain transparency rare in the chitosan industry is what makes COA-at-quotation possible, and what enables us to make performance and purity claims that other suppliers cannot verify.
→ Learn about our responsible supply chain → Read about our ESG strategy → Meet Chitosan Global
Pricing & How to Order
| Quantity | Price (USD) | Notes |
|---|---|---|
| 25g Sample | $47.50 | Free shipping — validate before bulk |
| 1 kg | $90/kg | + 15% U.S. tariff + $60 FedEx |
| 100 kg – 1 ton | $66/kg | Significant volume discount |
| 1 ton+ | $60/kg | Best-value commercial rate |
Payment Terms: 100% in advance Lead Time: 2–12 weeks Origin: India (Promecens Entosystems, Pune) U.S. Tariff: Currently 15% on India-origin imports
For custom grades, specific molecular weight ranges, or special purity requirements, contact us directly.
Why Order BSF Chitosan HCl From Chitosan Global?
The manufacturer is named — not anonymous
Every batch of BSF HCl is produced by Promecens Entosystems, Pune, India a specific, named company with a specific, documented manufacturing process. This is verifiable information, not a generic “FDA-registered facility” claim without substance.
COA before you pay — every time
The Certificate of Analysis for your specific batch is available at the quotation stage. You verify DDA, MW, purity, moisture, ash, and heavy metal data before committing to purchase. No other supplier of BSF chitosan offers this as standard practice.
Transparent, itemized pricing
Our 30% markup on the Promecens FOB price is the entirety of our margin. Shipping and tariff costs are separately itemized on your invoice at actual cost. View our full pricing model.
Free expert consultation
Not sure whether BSF HCl, Mushroom HCl, or Shellfish HCl is right for your application? Book a free 30-minute consultation with our product team. we will recommend the right grade and provide a quotation at no charge.
→ Learn more about Chitosan Global
Related Products
If BSF Chitosan HCl is not the ideal fit, or if you need complementary products, explore these:
- Chitosan Hydrochloride — Shellfish — Lower price, conventional source; suited for industrial and agricultural use
- Chitosan Hydrochloride — Mushroom — Vegan, fungal-derived; higher MW for film-forming applications
- BSF Native Chitosan (IG/AG/FG) — Acid-soluble BSF chitosan; lower cost entry point to insect-derived supply
- BSF Carboxymethyl Chitosan — Anionic, pH-neutral soluble derivative for wound care and drug delivery
- BSF Quaternary Chitosan — Permanent cationic charge; maximum antimicrobial activity at all pH
- Chitosan Oligosaccharide — BSF — Lowest MW, highest bioavailability; premium supplement and ag biostimulant
- BSF Antimicrobial Peptides — High-value co-product of BSF extraction — unique to Chitosan Global
→ Browse the full BSF product range → View all types of chitosan
Frequently Asked Questions
What is Black Soldier Fly Chitosan Hydrochloride?
BSF Chitosan HCl is the water-soluble HCl salt form of chitosan extracted from the exoskeleton of Hermetia illucens (Black Soldier Fly) larvae. It is produced using a patented green extraction process by Promecens Entosystems, India, achieving >99.9% purity, ≥90% DDA, and a molecular weight of 60–80 kDa. It dissolves completely in neutral water with no acid required, is shellfish-free and allergen-free, and is manufactured in a Registered FDA Food Facility.
What is the CAS number for this product?
BSF Chitosan Hydrochloride carries CAS number 70694-72-3 the same CAS as all Chitosan Hydrochloride regardless of origin. The origin (BSF vs shellfish vs mushroom) affects purity, DDA, and batch consistency, but not the chemical identity of the compound.
Is BSF Chitosan HCl vegan?
BSF chitosan is insect-derived, not plant-derived. Most vegan certification bodies and regulatory frameworks in the food and cosmetic industries accept insect-derived ingredients within their vegan definition, but this varies by certifier and geography. For strict vegan certification requirements, we recommend confirming with your certifier before specifying this product or considering our Mushroom Chitosan HCl as a confirmed plant-derived alternative.
Why is BSF Chitosan HCl more expensive than shellfish HCl?
BSF Chitosan HCl costs more because of what you get for the premium: >99.9% purity versus 95–98% for shellfish; ≥90% DDA versus ≥85%; green process production with lower ash content; batch-to-batch consistency from a controlled production environment; and COA available at quotation stage rather than only at delivery. For pharmaceutical, biomedical, and premium cosmetic applications, these differences are meaningful and worth the price differential. For industrial and bulk agricultural use, Shellfish HCl is the more economical choice.
Does BSF Chitosan HCl require a shellfish allergen declaration?
No. BSF Chitosan HCl is derived entirely from insect biomass. it contains no crustacean material and requires no shellfish allergen declaration on food, supplement, or cosmetic product labels in the US, EU, or most global markets. This is one of its principal advantages for formulators in allergen-sensitive categories.
What is the degree of deacetylation (DDA) and why does it matter?
Our BSF Chitosan HCl has a DDA of ≥90%. DDA measures what proportion of amino groups on the chitosan polymer chain are free (deacetylated). Higher DDA means more positive charge, better water solubility, stronger antimicrobial activity, and greater mucoadhesion. At ≥90% DDA, BSF HCl is at the high end of what is commercially achievable and delivers measurably better performance than lower-DDA shellfish alternatives in applications where biological activity matters.
Can I get a COA before purchasing?
Yes, and this is a defining feature of the Chitosan Global / Promecens supply chain. The Certificate of Analysis for your specific product batch is provided at the quotation stage, before you place an order. You verify DDA, molecular weight, purity, ash, moisture, and heavy metal compliance data before committing to purchase. Request a COA here.
What grades are available?
BSF Chitosan HCl is available in Food, Pharmaceutical, Cosmetic, Agricultural, and Industrial grades. Grade selection determines purity thresholds and testing documentation scope. If you are uncertain which grade meets your regulatory requirements, book a free 30-minute consultation and our team will confirm the appropriate specification.
Can I order a sample before bulk?
Yes. A 25g sample ($47.50, free shipping) is available directly from this page. For new applications or first-time buyers, we strongly recommend sample validation before bulk commitment. The COA is provided with the sample order.
Manufactured by Promecens Entosystems Pvt. Ltd., Pune, India in a Registered FDA Food Facility. All prices are FOB unless otherwise stated. U.S. import tariff of 15% currently applies. Payment is 100% in advance. Lead time 2–12 weeks. Chitosan Global is operated by Shield Nutraceuticals, Inc. | 423-202-6145 | steve@chitosanglobal.com | Contact Us
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