Synonym
|
2-Amino-2-Hydroxymethyl-1,3-Propanodiol Hydrochloride, Tris-(Hydroxymethyl)-Aminomethane Hydrochloride, Tromethamine Hydrochlorid
|
State of matter
|
Solid
|
pKa (20°C)
|
8.3
|
Melting point
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148 - 150°C (dec.)
|
Formula
|
C4H11NO3 · HCl
|
Mass
|
157.60 g/mol
|
CAS-No.:
|
1185-53-1
|
|
|
EC-No.:
|
214-684-5
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Storage:
|
RT
|
LGK:
|
10 - 13
|
Disposal:
|
3
|
WGK:
|
1
|
Specification
|
|
DNases/RNases/Proteases
|
not detectable
|
Assay (titr.)
|
min. 99 %
|
pH (0.5 M; H2O)
|
3.5 - 5.0 (25°C)
|
Water
|
max. 0.5 %
|
As
|
max. 0.0001 %
|
Ba
|
max. 0.0001 %
|
Cd
|
max. 0.0001 %
|
Cu
|
max. 0.0001 %
|
Fe
|
max. 0.0001 %
|
Mn
|
max. 0.0001 %
|
Pb
|
max. 0.0001 %
|
Zn
|
max. 0.0002 %
|
A (1 cm/1 M in H2O)
|
|
260 nm
|
max. 0.06
|
280 nm
|
max. 0.05
|
|