Product Details
| Product Name: Biotin | CAS No.: 58-85-5 |
| EC-No.: 200-399-3 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/10/21 |
Product Name: Biotin
Synonyms: Vitamin B7, Vitamin H, Coenzyme R
CAS No.: 58-85-5
Molecular Formula: C10H16N2O3S
Molecular Weight: 244.31 g/mol
Chemical Structure:
1. Product Description
Biotin is a water-soluble vitamin, part of the B-complex group, essential for enzymatic reactions involved in the metabolism of carbohydrates, fats, and amino acids. It is widely used in dietary supplements, pharmaceuticals, food fortification, and cosmetics.
Grades Available:
Industrial Grade: For chemical synthesis, feed additives, and cosmetic formulations.
Food Grade / Pharmaceutical Grade: For human consumption, dietary supplements, and fortified food products.
2. Physical and Chemical Properties
| Property | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Odor | Odorless |
| Taste | Slightly bitter |
| Solubility | Soluble in hot water, slightly soluble in alcohol; insoluble in ether |
| Melting Point | 232–237°C (decomposes) |
| Optical Rotation | +33° to +35° (c=1, H2O) |
| pH (1% aqueous solution) | 4.5–5.5 |
| Density | 1.3 g/cm³ |
| Moisture (Loss on Drying) | ≤ 0.5% |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Residue on Ignition | ≤ 0.1% |
3. Assay
| Grade | Specification (HPLC) |
|---|---|
| Industrial Grade | ≥ 97.0% |
| Food / Pharma Grade | 98.0–102.0% |
4. Microbiological Limits (Food/Pharma Grade)
| Test | Limit |
|---|---|
| Total Plate Count | ≤ 1000 cfu/g |
| Yeast & Mold | ≤ 100 cfu/g |
| E. coli | Negative |
| Salmonella | Negative |
Industrial grade typically does not require microbiological testing unless specified for feed or cosmetic applications.
5. Applications
Food Grade:
Dietary supplements (tablets, capsules, powders)
Fortification of infant formulas, cereals, and beverages
Industrial Grade:
Feed additives for livestock
Cosmetic products (hair and skin care formulations)
Chemical synthesis intermediates
Pharmaceutical Grade:
Injectable solutions or formulations
Vitamin B-complex preparations
6. Storage and Handling
Store in a cool, dry place away from direct sunlight and moisture.
Keep container tightly closed.
Recommended storage temperature: 15–25°C.
Protect from strong oxidizing agents.
7. Safety Information
UN Number: Not regulated for transport
GHS Classification: Not classified as hazardous under normal handling conditions
Precautions: Avoid dust formation, use protective gloves and eyewear if handling large quantities.
First Aid Measures:
Inhalation: Move to fresh air; seek medical attention if irritation persists
Skin Contact: Wash with water and soap
Eye Contact: Rinse with plenty of water for several minutes
Ingestion: Rinse mouth; seek medical advice if necessary
8. Packaging
| Grade | Packaging Options |
|---|---|
| Industrial Grade | 25 kg fiber drum or as required |
| Food / Pharma Grade | 25 kg drums with inner PE bag, or customized GMP packaging |
9. Shelf Life
24 months when stored under recommended conditions.
Keep container tightly sealed to prevent moisture uptake.
10. Regulatory Compliance
Food Grade: Complies with FCC / USP / EP standards
Industrial Grade: Meets technical specifications for feed and cosmetic industry
Allergen-Free and Gluten-Free
Company Profile Introduction
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

China