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25 Kilogram |
Negotiable |
VITAMIN B5 Dexpanthenol D-panthenol
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Product Name:High Quality D-Panthenol 98%
D-Panthenol is the alcohol analog of pantothenic acid (vitamin B5), and is thus a provitamin of B5. In organisms it is quickly oxidized to pantothenate [pantothenic acid]. Panthenol is a highly viscous transparent liquid at room temperature, but salts of pantothenic acid (for example sodium pantothenate) are powders (typically white). It is soluble in water, alcohol, propylene glycol, ether and chloroform, and slightly soluble in glycerin.
Items | Standards | ||
Appearance | Colorless, viscous and clear liquid | ||
Identification | Positive reaction | ||
Assay | 98.0%~102.0% | ||
Water | Not more than 1.0% | ||
Specific optical rotation | +29.0° ~+31.5° | ||
Limit of aminopropanol | Not more than 1.0% | ||
Residue on ignition | Not more than 0.1% | ||
Refractive index(20℃) | 1.495~1.502 |
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