Thiamine nitrate, BP, Ph. Eur. grade CAS 532-43-4

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CAS: 532-43-4

MF: C₁₂H₁₇N₅O₄S

MW: 327.36

Physical Description	Colourless crystals or white to almost white crystalline powder
Identification (IR)	To conform to standard
Identification	B, C according to EP
Solubility (2% in water)	Clear solution, colour ≤ Y7
pH (2% in water)	6.8 - 7.6
Impurity A (HPLC)	≤ 0.15%
Impurity B (HPLC)	≤ 0.6%
Impurity C (HPLC)	≤ 0.4%
Any Individual Impurity (HPLC)	≤ 0.1%
Total Impurities (HPLC)	≤ 1.0%
Heavy Metals	≤ 20ppm
Sulfated Ash	≤ 0.1%
Loss on Drying	≤ 1.0%
Assay	98.0 - 101.0 % (dried substance)
Pharmacopoeia Specification(s)	BP, Ph. Eur.
Specification Version	1.0