Allantoin USP/BP grade (CAS 97-59-6) is white odorless crystalline powder, widely used as soothing and repairing functional raw material for cosmetics, personal-care products and pharmaceutical topical preparations. TNJ Chemical is the leading manufacturer and exporter in China since 2001. We guarantee high quality, competitive price and thoughtful sales service. If you want to buy or have any inquiry, please contact sales@tnjchem.com
1. Product Information
Product name: Allantoin powder USP/BP
CAS No.:97-59-6
EINECS No.:202-592-8
Chemical Formula: C₄H₆N₄O₃
Molecular Weight: 158.12
Synonyms: 5-Ureidohydantoin, Glyoxyldiureide, N-(2,5-Dioxo-4-imidazolidinyl)urea
Appearance: White crystalline powder, odorless
Product Type: Cosmetic raw material, pharmaceutical intermediate, skin‑care functional additive2. Physical & Chemical Properties
Melting Point 230‑234 °C (decomposition)
Density 1.70 g/cm³
Solubility Slightly soluble in cold water; soluble in hot water, glycerin and propylene glycol; poorly soluble in ethanol, ether and chloroform
pH (saturated aqueous solution) 5.0‑7.0
Stability Stable under normal ambient conditions. Avoid high temperature and strong light exposure. Incompatible with strong oxidizing agents.
3. Quality Specification (Cosmetic / Pharma Grade)
| Test Item | Specification (USP / BP‑Ph.Eur Grade) |
|---|---|
| Appearance | White, odourless crystalline powder |
| Identification | IR spectrum matches reference; TLC test conforms |
| Assay | 98.5 %‑101.0 % |
| Optical Rotation | ‑0.10 ° ~ +0.10 ° |
| Acidity or Alkalinity | Conforms to test |
| Loss on Drying | ≤0.1 % |
| Residue on Ignition (Sulphated Ash) | ≤0.1 % |
| Related Substances (Organic Impurities) | ≤0.5 % |
| Reducing Substances | Conforms to test (solution remains violet ≥10 min) |
| Heavy Metals | ≤10 ppm |
4. Applications
Cosmetic industry: Skin-soothing and repairing additive for creams, lotions, serums and after-sun products, promotes cell regeneration and relieves skin irritation.
Pharmaceutical field: Used in topical ointments for wound healing and minor skin damage treatment.
Oral care: Functional ingredient for toothpaste and mouthwash to soothe oral mucosa.
Other applications: Additive for agricultural and biochemical formulations.
5. Packaging, Storage & Transportation
- Packaging: 25 kg fiber drum.
- Storage: Keep container tightly closed. Store in cool, dry and dark warehouse. Keep away from high temperature and direct sunlight.
- Transport: Ordinary solid chemical. Protect goods from moisture and heavy sunshine.6. Safety Remarks (Refer to SDS for full details)
- Low hazard under normal handling. May cause slight irritation to eyes and respiratory tract. Wear safety goggles and dust-proof gloves during operation.
- In case of contact, rinse with large amount of clean water.
- Fire-extinguishing media: dry powder, carbon dioxide, water spray.
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