Product description:

English name: TRIS; Tris-base; THAM; Tris (hydrosymenthyl) -aminomethande; Trometamol; 2-Amino-2- (hydroxymethyl) -13-propanediol; Tromethamine
Other names: slow blood ammonium; tris (hydroxymethyl) aminomethane; 2-amino-2- (hydroxymethyl) -13-propanediol; tromethamine; tromethamine; tromethamine; Trihydroxy methyl aminomethane
CAS: 77-86-1
C4H11NO3 = 121.14

Level: AR
Content: ≥99.9%
Melting point: 168 ~ 171 ℃
PH: 10.0 ~ 10.8
Heavy Metal: ≤5ppm
Chloride: ≤3ppm
Residue on ignition: ≤0.05%
Absorbance (260nm) Abs (260nm): ≤0.1
Properties: white crystal or crystalline powder at 25 ℃ Solubility (mg / ml):. Water 550, glycol 79.1, 26 methanol, ethanol 14.695% ethanol 22.0, N, N- dimethylmethanamine 14, amyl alcohol 2.6, 2.0 propanol, ethyl acetate, 0.5, 0.4 olive oil, cyclohexane 0.1, 0.05 chloroform, carbon tetrachloride (0.05. does not absorb the aqueous solution of carbon dioxide in the air, 0.1mol L aqueous pH10.4 /. Copper and aluminum have a corrosive effect.
Purpose:..... Biochemistry biological buffers, buffer range pH7.0-9.0 acid amount of acid gas absorbent materials Titration reference current titration protein thiol groups were separated by electrophoresis on paper plates separated by electrophoresis of serum protein toxin starch .
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