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Send EmailChitosan, Polyglucosamine, Deacetylated Chitin, 9012-76-4
Product Name: Food Grade Chitosan
CAS Number: 9012-76-4
EC Number (EINECS): 222-311-2
Chemical Formula: (C₆H₁₁NO₄)ₙ
Molecular Weight: Variable (polymer)
Source: Produced by deacetylation of chitin from shellfish
SECTION 1: PRODUCT IDENTIFICATION AND DEFINITION
| Parameter | Information |
|---|---|
| Product Name | Food Grade Chitosan |
| Other Names | Chitosan, Polyglucosamine, Deacetylated Chitin, β-(1→4)-2-Amino-2-deoxy-D-glucan |
| CAS Number | 9012-76-4 |
| EC Number (EINECS) | 222-311-2 |
| Chemical Formula | (C₆H₁₁NO₄)ₙ |
| Molecular Weight | Variable (polymer) |
| Chemical Class | Polysaccharide (amino sugar polymer) |
| Source | Deacetylation of chitin from shellfish (shrimp, crab, lobster) |
| Appearance | White to off-white, fine powder |
| Odor | Slight characteristic |
| Physical State (20°C) | Solid (powder) |
| Solubility | Soluble in acidic solutions; insoluble in neutral pH and organic solvents |
SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES
| Property | Value / Range |
|---|---|
| Appearance | White to off-white, fine powder |
| Odor | Slight characteristic |
| Degree of Deacetylation (DD) | ≥ 85% |
| Viscosity (1% solution, 25°C) | 50 – 800 cP |
| Moisture Content | ≤ 10% |
| Ash Content | ≤ 1.0% |
| Protein Content | ≤ 0.5% |
| pH (1% acetic acid solution) | 4.0 – 6.0 |
| Particle Size | 80 – 200 mesh |
| Density | ~0.4 – 0.6 g/cm³ |
| Heavy Metal Content | ≤ 10 ppm |
| Lead (Pb) | ≤ 2 ppm |
| Arsenic (As) | ≤ 3 ppm |
| Mercury (Hg) | ≤ 1 ppm |
| Cadmium (Cd) | ≤ 1 ppm |
SECTION 3: CHEMICAL STRUCTURE AND PROPERTIES
| Property | Information |
|---|---|
| Chemical Structure | β-(1→4)-2-Amino-2-deoxy-D-glucan |
| Functional Groups | Amino (-NH₂), hydroxyl (-OH) |
| Deacetylation Reaction | Chitin → Chitosan (deacetylation with NaOH) |
| Positive Charge | Binds to anionic surfaces due to amino groups |
| Antimicrobial Activity | Effective against Gram-positive and Gram-negative bacteria |
| Biodegradability | Readily biodegradable |
| Biocompatibility | Non-toxic; biocompatible |
| Stability | Stable under normal storage conditions |
| Incompatible Materials | Strong oxidizing agents, strong bases |
Chemical Structure:
CH₂OH
|
(C₆H₁₁NO₄)ₙ
Chitosan: β-(1→4)-linked D-glucosamine and N-acetyl-D-glucosamine polymer
SECTION 4: FUNCTIONAL PROPERTIES
| Property | Description |
|---|---|
| Antimicrobial Activity | Effective against bacteria, fungi, and molds |
| Fat Binding Capacity | Binds fats as a dietary supplement |
| Film Forming | Forms edible and antimicrobial films |
| Coagulation | Natural coagulant in water treatment |
| Chelation | Binds metal ions |
| Bioactive | Immune system stimulant |
SECTION 5: APPLICATION AREAS
5.1. Food Industry
| Application | Function |
|---|---|
| Edible Films and Coatings | Antimicrobial barrier; extends shelf life |
| Food Preservative | Natural antimicrobial agent |
| Food Packaging | Active and antimicrobial packaging |
| Fruit and Vegetable Coatings | Delays spoilage; maintains freshness |
| Meat and Fish Products | Antimicrobial coating |
5.2. Dietary Supplements
| Application | Function |
|---|---|
| Fat Binder | Reduces fat absorption in diet |
| Weight Management | Increases satiety; binds fats |
| Cholesterol Reduction | Reduces cholesterol absorption |
| Prebiotic | Supports gut health |
5.3. Water Treatment
| Application | Function |
|---|---|
| Natural Coagulant | Precipitates suspended particles |
| Flocculant | Binds heavy metals |
| Wastewater Treatment | Removes organic pollutants |
5.4. Agriculture
| Application | Function |
|---|---|
| Seed Coating | Seed protection; improves germination |
| Biostimulant | Promotes root development |
| Plant Protection | Protection against fungal and bacterial diseases |
| Soil Conditioner | Improves soil structure |
5.5. Cosmetics
| Application | Function |
|---|---|
| Skin Care | Moisturizer; film former |
| Hair Care | Hair strengthener |
5.6. Pharmaceutical
| Application | Function |
|---|---|
| Drug Delivery | Controlled release systems |
| Wound Dressing | Accelerates wound healing |
SECTION 6: QUALITY SPECIFICATIONS (FOOD GRADE)
| Parameter | Specification |
|---|---|
| Appearance | White to off-white, fine powder |
| Identification | Positive (Chitosan tests) |
| Degree of Deacetylation | ≥ 85% |
| Viscosity (1%, 25°C) | 50 – 800 cP |
| Moisture Content | ≤ 10% |
| Ash Content | ≤ 1.0% |
| Protein Content | ≤ 0.5% |
| pH (1% acetic acid) | 4.0 – 6.0 |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Lead (Pb) | ≤ 2 ppm |
| Arsenic (As) | ≤ 3 ppm |
| Mercury (Hg) | ≤ 1 ppm |
| Cadmium (Cd) | ≤ 1 ppm |
| Total Plate Count | ≤ 1,000 CFU/g |
| Yeast and Mold | ≤ 100 CFU/g |
| Salmonella spp. | Negative in 25g |
| Escherichia coli | Negative in 10g |
SECTION 7: MICROBIOLOGICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Total Aerobic Mesophilic Bacteria | ≤ 1,000 CFU/g |
| Yeast and Mold | ≤ 100 CFU/g |
| Salmonella spp. | Negative in 25g |
| Escherichia coli | Negative in 10g |
| Staphylococcus aureus | Negative in 1g |
| Pseudomonas aeruginosa | Negative in 1g |
SECTION 8: STORAGE AND SHELF LIFE
| Parameter | Information |
|---|---|
| Storage Conditions | Cool (15-25°C), dry, well-ventilated area |
| Container Requirements | Tightly closed, original packaging (hygroscopic) |
| Protect From | Moisture, direct sunlight, strong oxidizing agents |
| Shelf Life | 24 months (unopened original packaging) |
| Stability Note | Hygroscopic; absorbs moisture; store in airtight containers |
SECTION 9: PACKAGING OPTIONS
| Packaging Type | Quantity | Material |
|---|---|---|
| PE-lined kraft paper bag | 25 kg | Kraft paper + PE |
| Cardboard box | 10 kg | Cardboard + PE |
| Aluminum foil bag | 1-5 kg | Laminated aluminum |
| Plastic pail | 20-25 kg | HDPE |
| Big-Bag | 500-1000 kg | Polypropylene (with PE liner) |
SECTION 10: SAFETY AND HEALTH INFORMATION
GHS Classification (Bulk Powder)
| Hazard Class | Category |
|---|---|
| Not classified as hazardous | - |
Hazard Statements
| Code | Statement |
|---|---|
| None | Not classified as hazardous |
Precautionary Statements
| Code | Statement |
|---|---|
| P261 | Avoid breathing dust |
| P280 | Wear protective gloves/eye protection |
| P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; continue rinsing |
SECTION 11: TOXICOLOGICAL INFORMATION
| Parameter | Value |
|---|---|
| Oral LD50 (Rat) | > 5,000 mg/kg |
| Skin Irritation | Non-irritant |
| Eye Irritation | Mild irritant |
| Skin Sensitization | Non-sensitizer |
| Carcinogenicity | Not classified |
| Mutagenicity | Negative in standard tests |
| GRAS Status | Considered GRAS by FDA |
| Allergen Warning | Caution for individuals with shellfish allergies |
SECTION 12: FIRST AID MEASURES
| Exposure Route | Action |
|---|---|
| Inhalation | Move to fresh air. If respiratory irritation persists, seek medical attention. |
| Skin Contact | Wash with plenty of soap and water. |
| Eye Contact | Rinse immediately with plenty of water for at least 15 minutes. Seek medical attention. |
| Ingestion | Rinse mouth. Drink plenty of water. Seek medical attention. |
SECTION 13: REGULATORY STATUS
| Region / Authority | Status |
|---|---|
| European Union | Approved for food supplement and food applications |
| USA (FDA) | GRAS (Generally Recognized as Safe) |
| Turkey | Approved for food supplement and food applications |
| EFSA | Approved; safety assessment completed |
| JECFA | Approved |
SECTION 14: TRANSPORT INFORMATION
| Parameter | Information |
|---|---|
| UN Number | Not regulated (not dangerous goods) |
| Hazard Class | Not applicable |
| Packing Group | Not applicable |
| ADR/RID | Not regulated |
| IMDG Code | Not regulated |
| IATA (Air) | Not regulated |
| Marine Pollutant | No |
SECTION 15: FIRE-FIGHTING MEASURES
| Parameter | Information |
|---|---|
| Fire Hazard | Combustible organic powder |
| Suitable Extinguishing Media | Water spray (mist), CO₂, dry chemical powder |
| Specific Hazards | When heated, emits CO, CO₂, nitrogen oxides |
| Decomposition Products | CO, CO₂, NOx |
| Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
SECTION 16: ACCIDENTAL SPILLAGE AND CLEANUP
| Parameter | Information |
|---|---|
| Personal Protection | Nitrile gloves, protective goggles, dust mask (N95) |
| Cleaning Methods | Collect mechanically (sweep or spatula) |
| Environmental Precautions | Prevent entry into drains, soil, and surface waters |
| Waste Disposal | According to local regulations; landfilling at licensed facilities |
SECTION 17: OTHER NAMES AND SYNONYMS
| Type | Name |
|---|---|
| Turkish Names | Kitosan, Gıda Kalite Kitosan, Deasetile Kitin |
| English Names | Chitosan, Food Grade Chitosan, Deacetylated Chitin, Polyglucosamine |
| Chemical Names | β-(1→4)-2-Amino-2-deoxy-D-glucan |
| CAS Number | 9012-76-4 |
| EC Number | 222-311-2 |
| INCI | Chitosan |
SECTION 18: SUMMARY AND CRITICAL NOTES
Product Summary
| Parameter | Value |
|---|---|
| Product | Food Grade Chitosan |
| CAS Number | 9012-76-4 |
| Appearance | White to off-white, fine powder |
| Degree of Deacetylation | ≥ 85% |
| Moisture Content | ≤ 10% |
| Primary Function | Antimicrobial, fat binder, film former |
| GRAS | Yes |
Critical Notes
Degree of Deacetylation: Critical parameter for bioactivity; must be ≥ 85%.
Acid Soluble: Insoluble in water; soluble in acidic solutions (acetic acid, lactic acid).
Allergen: Derived from shellfish; caution for individuals with shellfish allergies.
Hygroscopic: Absorbs moisture; store in airtight containers.
Antimicrobial: Effective against Gram-positive and Gram-negative bacteria.
Fat Binder: Reduces fat absorption as a dietary supplement.
Film Former: Forms edible and antimicrobial films.
Biodegradable: Environmentally friendly; naturally degrades.
GRAS: Considered GRAS by FDA.
Regulatory Status: Approved for food supplement and food applications.
IMPORTANT DECLARATION: This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is responsible for determining the product's suitability for their specific application and for complying with all local, national, and international regulations. For complete safety, storage, use, transport, waste, and regulatory compliance information, refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.