The product is supplied by Alpha Chemika.

IUPAC Name: tris HCl AR

Chemical formula: C4H11NO3.HCl

Molecular weight: 157.60

Assay >98%

pH(0.5M in water, 200C) 3.5-5.0

Maximum Limits of Impurities:

Loss on drying (1100C) 0.2%

Residue on ignition (SO4, 9000C) 0.2%

Solubility (0.5 M in water, 200C) complete and colourless

Insoluble matter passes filter test

Absorption max(0.5 M in water)

At 260 nm < 0>

At 280 nm < 0>