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Trizma® base Primary Standard and Buffer ≥99.9% (titration) crystalline

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#
$175.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 1KgLSACT1503-1KGT1503-1KG
$742.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 5KgLSACT1503-5KGT1503-5KG
$1,250.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 10KgLSACT1503-10KGT1503-10KG
$25.10 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 25GLSACT1503-25GT1503-25G
$38.60 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 100GLSACT1503-100GT1503-100G
$70.50 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 250GLSACT1503-250GT1503-250G
$107.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline 500GLSACT1503-500GT1503-500G
$2,650.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline - 25KGLSACT1503-25KGT1503-25KG
$4,100.00 EATrizma® base Primary Standard and Buffer =99.9 (titration) crystalline - 50KGLSACT1503-50KGT1503-50KG