China High Quality Sodium Tripolyphosphate (STPP) Manufacturers - Vitamin K3 | 58-27-5 – COLORKEM
China High Quality Sodium Tripolyphosphate (STPP) Manufacturers - Vitamin K3 | 58-27-5 – COLORKEM Detail:
Products Description
It is sometimes called vitamin k3, although derivatives of naphthoquinone without the side chain in the 3-position cannot exert all the functions of the K Vitamins. Menadione is a vitamin precursor of K2 which utilizes alkylation to yield menaquinones (MK-n, n=1-13; K2 vitamers), and hence, is better classified as a provitamin.
It is also known as “menaphthone”.
Specification
| ITEM | STANDARD |
| APPEARANCE | Yellowish crystalline powder |
| PURITY(%) | >= 96.0 TEST METHOD UV |
| MENADIONE (%) | >= 43.0 TEST METHOD UV |
| Nicotinamide (%) | >=31.0 TEST METHOD UV |
| WATER (%) | =< 1.5 TEST METHOD Karl Fisher |
| Heavy metals(Pb) (%) | =<0.002 |
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By Raymond from Indonesia - 2017.04.08 14:55
The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
By Jonathan from Spain - 2018.06.03 10:17
