Alternative Name
Tromethamine; 2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Trizma base; Tris(hydroxymethyl)aminomethane; Trometamol; Tris-(hydroxymethyl)-aminomethane; 1,3-Dihydroxy-2-(hydroxymethyl)propan-2-amine; 2-Amino-1,3-dihydroxy-2-(hydroxymethyl)propane; 2-Amino-2-(Hydroxymethyl)-1,3-Propandiol; 2-Amino-2-(hydroxymethyl)propane-1,3-diol; 2-Amino-2-(hydroxymethyl)propanediol; 2-Amino-2-hydroxymethyl-1, 3-propanediol; 2-Amino-2-hydroxymethylpropan-1,3-diol; 2-Amino-2-methylol-1,3-propanediol; A 0321; Addex-Tham; Aminomethane; Aminotri(hydroxymethyl)methane; Aminotrimethylolmethane; Aminotris(hydroxymethyl)methane; Methanamine, 1,1,1-tris(hydroxymethyl)-; Nsc 103026; Nsc 6365; Nsc 65434; Pehanorm; Propane-1,3-Diol, 2-Amino-2-(Hydroxymethyl)-; Ricrolin TE; Sarkosyl; T 1503; TAM; TAM (buffering agent); Talatrol; Tham; Toris Amino Ultra PC; Tri Amino; Tri(hydroxymethyl)aminomethane; Tri(hydroxymethyl)methylamine; Trigmo base; Trihydroxymethylaminomethane (Tham); Triladyl; Trimethylolaminomethane; Tris; Tris (Base); Tris (buffering agent); Tris Amino; Tris Amino Crystal; Tris Amino Ultra; Tris Amino Ultra PC (J) tromethamine; Tris Buffer; Tris(Hydroxymethyl)Methylamine; Tris(hydroxymethyl)methanamine; Tris(methylolamino)methane; Tris, free base; Tris-steril; Trisamin; Trisamine; Trisaminol; Trishydroxymethylaminomethane; Trispuffer; Trizma; Trizma Base; Trometamole; Tromethane; Tromethanmin; Tutofusin tris; [2-Hydroxy-1,1-bis(hydroxymethyl)ethyl]amine
Other Properties
Alternative CAS RN: 83147-39-1
Assay (Titration): 99.90 - 100.50 % (dried substance)
CAS RN: 77-86-1
Chloride (Cl): ≤ 5ppm
EC Number: 201-064-4
Heavy Metals (as Pb): ≤ 1ppm
Identification (IR): To conform to standard
Iron (Fe): ≤ 1ppm
Loss on Drying: ≤ 0.5% (3h, 105°C)
Related Substances (TLC): To pass Ph. Eur. test (≤ 1%)
Residue on Ignition: ≤ 0.1%
Solubility (1M in water): Clear, colourless solution
UV Absorption (1M in water): 290nm: ≤ 0.050
Water Insoluble Matter: ≤ 0.005%
pH (1M in water): 10.5 - 11.5
InChi
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2