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CAS:58-56-0
Appearance:White Powder
Storage:Store at RT，3 years
Purity:≥99.5%。
Level: AR
Content: ≥99.0%
Melting point: 204 ~ 209℃
PH: 2.4 ~ 3.0
Nitrogen content: 16.9 ~ 17.6%
Properties: white or white crystalline powder. No smell, taste slightly bitter. Degenerate in light, stable in air. 1g is soluble in about 4.5ml water, 90ml ethanol, slightly soluble in acetone, insoluble in ether and chloroform. 10% aqueous solution pH3.2. Acidic aqueous solutions are stable even when heated to 120 ° C (decomposition and sublimation). Maximum absorption wavelengths (0.1mol/L hydrochloric acid)290nm(ε840), (phosphate buffering, pH7)253, 325nm(ε3700, 7100). Low toxicity, median lethal dose (rats, oral)4000mg/kg.
Uses: biochemical research.
Save: RT, avoid light
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