Synonyms: N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid sodium salt
Formula: C6H14NNaO6S
Formula Weight: 251.23
CAS No.: 70331-82-7
Purity: ≥99% (titration)
Assay: ≥99% (titration)
Cation Traces: Pb: <5 ppm
Impurities: <7% water content (Karl Fischer)
pKa (25°C): 7.5
Useful pH Range: 6.8 - 8.2