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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

MSDS

Product Datasheet

Shelf Life : 60 Months

Sample COA COA

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

Specification

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%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338