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维生素B1

【Product name】: Thiamine Mononitrate (Vitamin B1 MONO)

【Chemical formula】: C12H16N4OS

【CAS】: 59-43-8

详情介绍

Product name: Thiamine Mononitrate (Vitamin B1 MONO)

Chemical formula: C12H16N4OS

CAS: 59-43-8

Product performance:

Vitamin b1 is also called thiamine or fight neuritis vitamins or resistance beriberi, white crystal, the presence of oxidants easily by oxidative dehydrogenation thiamine, which appears blue fluorescence under UV irradiation. By the pyrimidine ring and based on the combination of the methyl thiazole ring a B vitamin.

 

White crystals or crystal powder; Have a faint, smelly, bitter taste, have led to wetness, dew in the air, easy to absorb moisture. Easy to decompose metamorphism in an alkaline solution.PH 3.5 to 100high temperature resistant, acid and alkali easy failure is greater than 5. Light and heat titer decreased. The reason should be placed in the window, cool, preserve, and storage should not be long. An acidic solution is stable, in an alkaline solution is not stable, susceptible to oxidation and heat damage. Reducing substances sulfite, such as sulfur dioxide can make vitamin B1 inactivation.

 

Storage: Stockpiled at a ventilated place, avoiding rain, moisture, and insolation. Please handle with care to prevent bag damage, and store away from toxic substances.

Packing:Net weight 25kg per carton

Shelf Life: Three years when properly stored

Testing Item

Standard

Result

Appearance

White or almost white, crystalline powder or small, colourless granule

conforms

Assay (on dry basis)

98.5% ~ 101.0%

100.0%

Identification

A: IR absorption;

C: Reaction of nitrates

conforms

Appearance of solution

Clear, not more intense than Y7

conforms

PH

6.8 ~ 7.5

7.2

Loss on drying

0.5%

0.08%

Chloride

0.06%

0.06%

Sulphated ash

0.1%

0.02%

Heavy metals

10 ppm

10 ppm


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