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HEPES Buffer 99% | 01331 Pallav Chemicals | MSDs COA

HEPES Buffer 99%
Good zwitteruonic buffer substance suitable for tissue culture work pka - 7.5, Useful pH range 6.8 - 8.2 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid; N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid)

Product Code.
01331
Grade
Purity
99%
CAS No.
7365-45-9
Molecular Formula
C8H18N2O4S
Molecular Weight
238.30
H.S.Code
2933.59900
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
White powder
pH value
5.0 - 6.5 at 238 g/l at 25 °C
Melting point/ Freezing point [°C]
234 °C
Solubility in water [% weight]
Soluble in water

Packaging

Specification

Appearance
White powder
Assay
Min 99%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.005%
Heavy metal (as Pb)
Max 0.0005%
Sodium (Na)
Max 0.01%
Loss on drying (at 105°C)
Max 1.0%

Safety Information and Hazard Symbols