TRIS BUFFER AR (FOR BIOCHEMISTRY)

TRIS BUFFER AR (FOR BIOCHEMISTRY) TRIS BUFFER AR (FOR BIOCHEMISTRY)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
T0210400100 AR 99.5% 77-86-1 NH2C(CH2OH)3 121.14 2922.5090
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

pH value

10.5 - 12

Melting Point/ Freezing point [°C]

167 - 172 °C

Initial Boiling Point [°C]

219°C

Final Boiling Point [°C]

220 °C

Boiling point [°C]

219 - 220 °C

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 White crystalline powder

Sulphated ash:

 Max 0.01%

Chloride (Cl):

 Max 0.001%

Water (H2O):

 Max 0.5%

pH (5% solution in water):

 10 - 11

Assay (by HClO4 titration; on anhydrous basis):

 Min 99.5%

Absorptivity at 250 nm - 440 nm (A 1%/1cm; 10% in water):

 Passes test

Biological buffer at 25°C:

 pKa 8.07

Melting point:

 169 - 171°C

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
  • GHS01.png
  • GHS02.png
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  • GHS06.png
  • GHS07.png
  • GHS08.png
  • GHS010.png

Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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