Trimethylol aminomethane / ammonium bradycarbate / Tri (hydroxymethyl) aminomethane

English name：TRIS；Tris-base；THAM；Tris(hydrosymenthyl)-aminomethande；Trometamol；2-Amino-2-(hydroxymethyl)-1,3-propanediol；Tromethamine

Other names: ammonium bradycarbate; Tris (hydroxymethyl) aminomethane; 2-amino-2 - (hydroxymethyl) - 1,3-propanediol; Tromethamine; Trimethanol aminomethane; Aminobutanol; Trihydroxymethyl aminomethane

CAS No.: 77-86-1

C4H11NO3=121.14

Grade: ar

Content: ≥ 99.9%

Melting point: 168 ~ 171 ℃

PH：10.0～10.8

Heavy metals: ≤ 5ppm

Chloride: ≤ 3ppm

Burning residue: ≤ 0.05%

Absorbance (260nm) ABS (260nm): ≤ 0.1

Physicochemical properties: white crystal or crystalline powder. Solubility at 25 ℃ (mg/ml): water 550, ethylene glycol 79.1, methanol 26, absolute ethanol 14.6, 95% ethanol 22.0, N, n-dimethylmethylamine 14, pentanol 2.6, propanol 2.0, ethyl acetate 0.5, olive oil 0.4, cyclohexane 0.1, chloroform 0.05, carbon tetrachloride <0.05. The aqueous solution does not absorb carbon dioxide in the air, and 0.1mol/l aqueous solution ph10.4. Corrosive to copper and aluminum.

Purpose: biochemical research. Biological buffer, buffer range ph7.0-9.0. Acid gas absorbent. Reference material for acid titration. Determination of sulfhydryl group in protein by electrotitration. Serum proteins were separated by electrophoresis on paper. The toxin was separated by starch plate electrophoresis.

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