Prev   Next

Trizma® base Primary Standard and Buffer =99.9 (titration) crystalline 250G

Specifications
Synonym2-Amino-2-(hydroxymethyl)-13-propanediol
THAM
Tris base
Tris(hydroxymethyl)aminomethane
Trometamol
Molecular FormulaNH2C(CH2OH)3
Molecular Weight121.14
CAS Number77-86-1
assay≥99.9% (titration)
formcrystalline
total impurities≤0.2% water (Karl Fischer)
colorwhite
pH range7 - 9
useful pH range7 - 9
pKa(25 °C) 8.1
bp219-220 °C10 mm Hg(lit.)
mp167-172 °C(lit.)
cation traces heavy metals (as Pb)≤2 ppm
abs.A40%/290 ≤0.05

Qty Price UnitItemCat# Mfg#
$70.50 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 250GLSACT1503-250GT1503-250G