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TRIS-HCL

Name:TRIS-HCL
CAS NO.:1185-53-1
M.F:C4H12ClNO3
Appearance:white crystalline powder  

The detailed specifications are as below:

Item of testing 

Inspection Standard

Appearance

White crystal power

Assay

99% Min

Melting point

168-171°C

Solubility(1M aq.)

Clear colourless

PH value(1%aq.)

4.2-5.0

Loss on drying

0.5%Max

Heavy Metals

5ppmMax

Ultraviolet absorbance/400nm(1Maq.)

0.06 Max

Ultraviolet absorbance/280nm(1Maq.)

0.05Max