TRIS BUFFER Molecular Biology

2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Tris(hydroxymethyl)aminomethane; Trometamol

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Article No.
06391
Grade
Molecular Biology
Purity
99.9%
CAS No.
77-86-1
Molecular Formula
NH3C(CH2OH)3
Molecular Weight
121.14
H.S. Code
2922.5090
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White crystalline
pH value
10.5 - 12
Melting point/ Freezing point [°C]
167 - 172 °C
Boiling point [°C]
219 - 220 °C
Initial boiling point [°C]
219°C
Final boiling point [°C]
220 °C
Solubility in water [% weight]
Soluble in water

Packings

  • 1PW1200100

    100 g (00100)

  • 1PW1200500

    500 g (00500)

 

Specifications

Appearance White crystalline powder
Melting point 170 - 173 deg C
pK (at 20°C) 8.3
Solubility (20°C) 800 g/L (H2O)
DNAase/RNAase/Proteases Not detectable
Assay (titration) Min 99.9%
pH (1 M in water at 20°C) 10.5 - 11.5
Water (H2O) Max 0.2%
Copper (Cu) Max 0.0001%
Iron (Fe) Max 0.0001%
Lead (Pb) Max 0.0001%
UV absorbance (1 cm; 1 M in water)
at 260 nm Max 0.03
at 280 nm Max 0.02
at 430 nm Max 0.004

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 : 09-Nov-2013
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