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| Address: |
| 736 KunTai Road, Kunshan, Jiangsu,China |
| TEL: |
+86-0512-57790202 |
| FAX: |
+86-0512-57785184 |
| ZIP: |
215316 |
| WEB: |
www.tongdechem.com |
| E-mail: |
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| ※ Product name: |
D-Panthenol |
| ※ Other name: |
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| D-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide |
| ※ Formula weight: |
205.25 |
| ※ CAS NO: |
81-13-0 |
| ※ Structure formula: |
 |
| ※ Technical information: |
| Index Name: |
Index |
| D-Panthenol |
D-Panthenol 75% |
| Appearance: |
Colourless, viscous clear liquid |
Colourless, viscous clear liquid |
| Identification: |
Positive reaction |
Positive reaction |
| Assay: |
Between 98.0% and 102.0% |
Not less than 75% |
Specific rotation
(on dried basis): |
Between +29.5°and +31.5° |
Between +29.0°and +31.5° |
| Limit of aminopropanol: |
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Not more than 1.0% |
Not more than 1.0% |
| Refractive index: |
Between 1.495 and 1.502 at 20° |
Between 1.466 and 1.475 at 20° |
| Water: |
Not more than 1.0% |
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| Residue on ignition: |
Not more than 0.1% |
Not more than 0.1% |
| Heavy metals: |
Not more than 20pmm |
Not more than 20pmm |
| PH-value: |
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Between 6.0 and 7.5 |
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| ※ Packing: |
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