BIS-TRIS
BIS-TRIS Molecular Biology
Short Name: BIS-TRIS
Synonym: 2,2-Bis(hydroxymethyl)-2,2',2-nitrilotriethanol, 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol; Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane
Basic Details
Article No.
LG0755
Grade
Molecular Biology
Purity
99%
CAS No.
6976-37-0
HS Code
2922.1990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
9.5 - 11
Melting point/ Freezing point [°C]
102 - 103 °C
Solubility in water [% weight]
209.2 g/l at 20 °C
Chemical Specifications
Assay
Min 99%
Insoluble matter
Passes filter test
Residue on ignition
Max 0.3%
Loss on drying (at 20°; vacuum)
Max 0.5%
Solubility (1 M in water; 20°C)
Complete,colorless
pH (2% solution in water)
9.4 - 9.8
UV absorbance (at 280 nm; 10%; 1 cm; in water)
Max 0.1%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.01%
Iron (Fe)
Max 0.001%
Lead (Pb)
Max 0.001%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338