Type de paiement: | L/C, T/T, D/P, Western Union |
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Quantité de commande minimum: | 1 |
Modèle: B1 B6 B12
Items | FCC VI | USP32 |
content(C6H6N2O),% | 98.5-101.5 | 98.5-101.5 |
Melting Point, °C | 128-131 | 128-131 |
Heavy Metals,(Pb),% | ≤0.002 | ≤0.003 |
Loss on drying ,% | ≤0.5 | ≤0.5 |
Residue on ignition,% | ≤0.1 | ≤0.1 |
Product Name | vitamin B 3 |
Other Name | Niacinamid |
EINECS No | 200-441-0 |
CAS NO | 98-92-0 |
Formual | C6H6N2O |
Standard | FCC/USP/BP/EP |
Packing | Inside: vacauumed aseptic PE bags, 25kg per bag. Outside: carton or drum Packages size can also be offered according to customer requirement |
Appearance | White crystalline powder |
Content | 98%, 99% |
Molecular Weight | 122.13 |
PH | 5.5-7.510 |
Loss on drying | Not more than 0.5 |
Residue on ignition | Not more than 0.1 |
Heavy metals | Not more than 0.002 |
Assay | Basis on dried ,it contains not less than 98.5 and not more than 101.0 of Nicotinamide (C6H6N2O) |
Stability and storage | The product should be contained in unopened original package, protected from light in a dry place at low temperature ( ≤15°C ). Once it is opened, please use it up in a short time. The shelf life is 24 months for the unopened product stored in recommended condition. |
Descriptions | White crystalline powder. Needle-like crystals was recrystallized by benzene. Odorless or nearly odorless, with bitter taste. 10% aqueous solution of the PH value of 6.5-7.5. Boiling point 150-160(55.66Pa) can be distilled. Slightly hygroscopic crystals. Dry state less than 50 very stable. Aqueous solution has good lightfast. Being heated with inorganic acid and alkali hydrolysis into niacin. This product is soluble in about 2ml of water, 1.5ml of ethanol and about 10ml glycerol. Soluble in acetone, amyl alcohol, chloroform, propylene glycol, n-butanol. Almost insoluble in ether, benzene. |
Groupes de Produits : Intermédiaire pharmaceutique