China High Quality 4-Methylthio-2-Butanone Factories - Vitamin B5 | 137-08-6 – COLORKEM
China High Quality 4-Methylthio-2-Butanone Factories - Vitamin B5 | 137-08-6 – COLORKEM Detail:
Products Description
Vitamin B5, D-Calcium Pantothenate Food/feed Grade Formular C18H32CaN2O10 Standard USP30 Appearance white powder Purity 98%.
Specification
| ITEM | STANDARD |
| Appearance | White powder |
| Identification Infrared absorption 197K | Concordant with reference spectrum |
| Identification A solution (1 in 20) responds to the tests for calcium | Conform to USP30 |
| Specific optical rotation | +25.0°~+27.5° |
| Alkalinity | No pink color is produced within 5 seconds |
| Loss on drying | Not more than 5.0% |
| Heavy metals | Not more than 0.002% |
| Ordinary impurities | Not more than 1.0% |
| Organic volatile impurities | Meet the requirements |
| Nitrogen content | 5.7%~6.0% |
| Content of calcium | 8.2~8.6% |
| Assay | Conform to USP30 |
Product detail pictures:
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We pursue the administration tenet of Quality is exceptional, Provider is supreme, Name is first, and will sincerely create and share success with all clientele for China High Quality 4-Methylthio-2-Butanone Factories - Vitamin B5 | 137-08-6 – COLORKEM , The product will supply to all over the world, such as: Mauritius, United States, Iran, Our company's main items are widely used all over the world; 80% of our products and solutions exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
By Afra from Lithuania - 2017.09.29 11:19
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
By Edwina from Israel - 2017.09.30 16:36
