‑ Chemical Name: 2,4‑Dihydroxy‑N‑(3‑hydroxypropyl)‑3,3‑dimethylbutanamide
‑ INCI Name: Panthenol (DL‑Panthenol)
‑ EINECS No.: 240‑540‑6‑ Synonyms: DL‑Pantothenol, Provitamin B5
‑ Molecular Formula: C₉H₁₉NO₄
‑ Molecular Weight: 205.25 g/mol
‑ Chemical Category: Vitamin derivative, humectant, conditioning agent
‑ Note: Racemic mixture of D‑panthenol & L‑panthenol; D‑Panthenol CAS:81‑13‑0
Chemphysical properties
Appearance @25℃ White‑off‑white hygroscopic powder
Odor Slight characteristic odor
Melting point 64‑69 ℃Solubility Freely soluble in water, ethanol, propylene glycol; insoluble in mineral oil & vegetable oil
pH (5 % aqueous solution) 6.0‑8.0
Bulk density 0.45‑0.65 g/cm³
Hygroscopicity Strongly hygroscopic
Stability Stable under normal conditions; avoid strong acid / strong alkali high‑temperature environment
Quality specification (Cosmetic / USP grade powder)
| Test Item | Specification |
|---|---|
| Assay (on dried basis) | 98.0‑102.0 % |
| Loss on drying | ≤0.5 % |
| Residue on ignition | ≤0.1 % |
| Heavy metals(Pb) | ≤10 ppm |
| Arsenic | ≤2 ppm |
| pH (5% water solution) | 6.0‑8.0 |
| Optical rotation | ‑0.5° ~ +0.5°(DL‑form) |
Application & Use
‑ Skin care: Excellent humectant & skin‑repairing agent; improves skin barrier function, soothes irritation, reduces redness, widely used in toner, cream, lotion, after‑sun products, mask.
‑ Hair care: Hair conditioning agent, increases hair moisture & gloss, reduces split ends, added in shampoo, conditioner, hair mask.
‑ Also applied in oral‑care products, pharmaceutical ointments.‑ Recommended dosage for cosmetics: 0.5‑5.0 %.
Packing
‑ 25 kg fibre drum with inner double PE bag
‑ Small package: 1 kg / 5 kg aluminium foil bag
‑ Palletized for sea shipment
Transportation & Storage
‑ Store in cool, dry, well‑ventilated warehouse, tightly sealed.
‑ Strictly prevent moisture absorption; avoid high temperature and direct sunlight.
‑ Shelf‑life: 24 months under recommended unopened storage.
‑ Transport as general cosmetic raw material, non‑dangerous goods.
‑ Avoid inhalation of dust; prevent skin & eye contact.
Disclaimer: All data are typical values, not contractual standards. Final data subject to batch‑wise COA.
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