Product Datasheet and Specification
00440
Bis-tris 99% Molecular Biology
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
CAS : 6976-37-0
HS Code : 2922.19900
Molecular Formula : C8H19NO5
Molecular Weight : 209.20
Shelf Life : 60 Months
Specifications
Appearance
White crystalline powder |
Assay (by HClO4 titration)
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)
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% |