Vitamin B3 B6 B12,Hydroxocobalamin Vitamin B12,Vitamin B12 Methylcobalamin - Buy Vitamin B3 B6 B12

Vitamin B12 FOOD GRADE
Vitamin B3 B6 B12,Hydroxocobalamin Vitamin B12,Vitamin B12 Methylcobalamin - Buy Vitamin B3 B6 B12 Product Description
Vitamin B3 B6 B12
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.
Vitamin b3 is an integral part of coenzyme I and II, both of which are coenzymes of many deaminases, without which the normal breathing of cells and metabolism will be interfered, thus leading to pellagra.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
≤0.1vitamin 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.
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