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Tris Buffer 99.5% AR | 02782 Pallav Chemicals | MSDs COA

Tris Buffer 99.5% AR
Standard titrimetric substance Specially prepared for biochemistry and enzymology. 2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Tris(hydroxymethyl)aminomethane; Trometamol

Product Code.
02782
Grade
Purity
99.5%
CAS No.
77-86-1
Molecular Formula
NH2C(CH2OH)3
Molecular Weight
121.14
H.S.Code
2922.50900
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

Packaging

Specification

Appearance
White crystalline powder/ crystal
Assay (by HCl titration; on anhydrous basis)
Min 99.5%
pH (5% solution in water)
10 - 11
Absorbance (A1% /cm; ) ( 1 M Solution in HPLC water ) at 260
Max 0.05
at 280
Max 0.04
Melting point
169 - 171°C
Chloride (Cl)
Max 0.001%
Water (H2O)
Max 0.5%
Biological buffer at 25°C
pKa 8.07

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338