Synonyms: 2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Trometamol
Formula: NH2C(CH2OH)3
Formula Weight: 121.14
CAS No.: 77-86-1
Purity: ≥99.8%; 99.8-100.1%
Other Notes: Easily compare specifications for Trizma products with the Trizma specification table.
Packaging: 100, 500 g in poly bottle
Abs.: / passes test
Assay: 99.8-100.1%
BP: 219-220°C/10 mmHg(lit.)
Cation Traces: heavy metals (as Pb): ≤5 ppm
Grade: ACS reagent
Impurities: ≤0.005% insolubles
MP: 167-172°C(lit.)
pKa (25°C): 8.1
Useful pH Range: 7 - 9