Thiamine hydrochloride

CAS No.: 67-03-8

C12H17ClN4OS·HCl=337.27

Grade: br

Content: ≥ 99.0%

PH：2.8～3.3

Clarity of solution: ≤ 0.5 turbidity standard solution

Heavy metals: ≤ 0.001%

Sulfate: ≤ 0.01%

Loss on drying: ≤ 5.0%

Absorption coefficient (e1%1 cm): 406 ~ 436

Physicochemical Properties: white crystalline or off white crystalline powder. Slight thiazole smell. It tastes bitter. Sensitive to light. It is easy to absorb moisture when exposed to air. Absorb 1mol of hydrate in normal air humidity. Decompose at 248 ℃. 1g is soluble in 1ml water, 18ML glycerol, 100ml 95% ethanol, 315ml absolute ethanol, easily soluble in methanol, soluble in propylene glycol, and almost insoluble in ether, benzene, hexane and chloroform. 1% (w/v) aqueous solution pH is 3.13; The pH of 0.1% (w/v) aqueous solution is 3.58. LD50 (mice, oral) 8224mg/kg.

Purpose: biochemical research. Medicine. Phosphorous is analyzed by fluorescence and phosphorescence. Fluorometric determination of mercury

Save: RT, away from light