Trimethylol aminomethane hydrochloride / Tri (hydroxymethyl) aminomethane hydrochloride

English name：TRIS-HC1；Tri(hydroxymethyl)aminomethane hydrochloride；2-Amino-2-(hydroxymethyl)-1,3-propanediol hydrochloride；Tromethane hydrochloride；Trizma hydrochloride

Other names: Tri (hydroxymethyl) aminomethane hydrochloride; 2-amino-2-hydroxymethyl-1,3-propanediol hydrochloride

CAS No.: 1185-53-1

C4H11NO3·HCl=157.60

Grade: br

Content: ≥ 99.0%

PH (1% solution H20, 25 ℃): 4.2 ~ 5.0

Loss on drying: ≤ 0.5%

Melting point: 150 ~ 155 ℃

Absorbance (260nm): ≤ 0.06

Physicochemical properties: white crystal or crystalline powder. Soluble in water, PKA (25 ° C) 8.1

Purpose: biochemical research. Biological buffer, intermediate of organic synthesis. The pH of all buffers depends on temperature and concentration. For Tris buffer, the pH increases by about 0.03 unit for every 1 ℃ increase in temperature, and decreases by 0.03-0.05 unit for every 10 times of diluted pH

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