BIS-TRIS 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

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Article No.
02186
Grade
Molecular Biology
Purity
99%
CAS No.
6976-37-0
Molecular Formula
C8H19NO5
Molecular Weight
209.2
H.S. Code
2922.1990
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PW1200060

    25 g (00025)

  • 1PW1200200

    100 g (00100)

 

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 and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date : 31-Mar-2021
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