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 |
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We continuously execute our spirit of Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers 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: Ecuador, Barbados, Adelaide, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part products. Our advantage is full category, high quality and competitive price! Based on that, our products win a high admiration both at home and abroad.
By Adelaide from Los Angeles - 2017.06.29 18:55
This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
By Maggie from Armenia - 2018.11.22 12:28
