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Name:  Dexpanthenol

Synonyms:  (+)-Panthenol; (R)-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide; (R)-2,4-Dihydroxy-3,3-dimethylbutyric 3-hydroxypropylamide; D-Pantothenyl alcohol; Provitamin B

Molecular Formula:  C9H19NO4

Molecular Weight:  205.25

CAS Number:  81-13-0

EINECS:  201-327-3

Pure D-Panthenol is a colorless, clear, viscous and hygroscopic liquid. D-Panthenol can solidify on prolonged storage. D-Panthenol is freely soluble in water, ethanol, methanol and propylene glycol, soluble in chloroform and in ether, slightly soluble in glycerin, insoluble in vegetable oils, mineral oils and fats. D-Panthenol is the provitamin of D-Pantothenic acid (Vitamin B5), which plays a key role in the human intermediary metabolism. Deficiency of Vitamin B5 can result in many dermatological disorders. D-Panthenol is applied in pharmaceutical industry and almost all types of cosmetic preparations.


Product name D-Panthenol
Test Items Specifications (USP27)
Appearance Colorless, clear, highly viscous, hygroscopic liquid
Specific rotation +29.0º to +31.5º
Assay 98.0-102.0%
Refractive index 1.495-1.502
Loss on drying 1.0% Max
Residue on ignition 0.1% Max
Amino propanol 1.0% Max
Heavy metals 20ppm Max

Stability and Storage: D-Panthenol is stable to air and light but unstable to heat. Stored at below 25 ºC in tightly sealed, original containers, it has a shelf life of 24 months. In weakly acidic, aqueous solutions, D-Panthenol is considerably more stable than the salts of pantothenic acid. It is unstable in strong acids and bases.

Package: 20kgs/Carton (10kgs/Pail)



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