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MGT-7 Form
TRIS BUFFER Extra Pure
Suitable for preparation purpose.
2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Tris(hydroxymethyl)aminomethane; Trometamol
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Article No.
06390
Grade
Extra Pure
Purity
99%
CAS No.
77-86-1
Molecular Formula
NH
2
.C(CH
2
OH)
3
Molecular Weight
121.14
H.S. Code
2922.5090
Shelf Life
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
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
Specifications
Appearance
White crystalline powder
Assay
Min 99%
Melting point
165 - 170 deg C
Sulphated ash
Max 0.15%
Biological buffer, pKa at 20°C
8.3
Revision Date:
21-Feb-2025
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TRIS BUFFER