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Vitamin B1 Feed Additive Food Additives

Introduce : A vitamin is an organic molecule (or related set of molecules) which is an essential micronutrient—that is, a substance which an organism needs in small quantities for the proper functioning of its metabolism but cannot synthesize, either at all or in sufficient quantities, and therefore must obtain through its diet.

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Thiamine (also called thiamin or vitamin B1) is a water-soluble vitamin consisting of a substituted pyrimidine ring joined by a methylene bridge to a substituted thiazole ring.
It plays an important role to maintain normal nerve conduction,heart and digestive system to normal activities.
Since vitamin B1 is not stored in appreciable amounts in the body, it must be supplied daily from dietary sources.
Thiamine is widely used for food additives, feed additives and pharmaceuticals.
1. Physical & Chemical Description
Appearance: White or almost white, crystalline powder or colourless crystals. 
Solubility: Freely soluble in water, soluble in glycerol, slightly soluble in alcohol
Chemical Name: 3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride hydrochloride.
CAS: 67-03-8
M.F.: C12H17ClN4OS•HCl
M.W.: 337.27
2.Specification Vitamin B1 feed grade
Analysis Items Specifications Analysis Results
Items Units BP2013 USP36  
Appearance ---- White or almost white,crystalline powder or colourless crystals ---- Almost white crystalline powder
Identification ---- Positive Positive Positive
Assay % 98.5-101.0 98.0-102.0 99.8
PH ---- 2.7-3.3 2.7-3.4 2.9
Absorbance of solution ---- ---- ≤0.025 0.012
Appearance of solution ---- Clear and not more than Y7 ---- Clear and not more than Y7
Sulphates ppm ≤300 ---- <300
Limit of nitrate ---- ---- No brown ring is produced No brown ring is produced
Heavy metals ppm ≤20 ---- <20
Water % ≤5.0 ≤5.0 3.2
Sulphated ash/Residue on ignition % ≤0.1 ≤0.2 0.03
Organic volatile impurities ---- ---- Meets the requirements Meets the requirements
Chromatographic purity % ---- ≤1.0 No detected