Bis-tris methane

2-[Bis-(2-hydroxyethyl)-amino]-
2-hydroxymethyl-propane-1,3-diol

Other names

Bis-tris

Bis-(2-hydroxy-ethyl)-
amino-tris(hydroxymethyl)-methane
2,2-Bis(hydroxymethyl)-
2,2,2-nitrilotriethanol

Identifiers

6976-37-0

TY2900000

OCC(CO)(N(CCO)CCO)CO

Properties

C₈H₁₉NO₅

209.2418 g/mol

Appearance

white crystalline powder

? g/l, solid (25°C)

102-106°C (375-379K)

(?K)

Solubility in water

67? g/100 ml (20°C)

Acidity (pK_a)

5.80-7.30 @25°C

Hazards

External MSDS

Main hazards

Irritant.

NFPA 704

R36, R37, R38.

Non-flammable.

Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Bis-tris is an abbreviation of the pH 5.8 and 7.3.

See also