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HEPES BUFFER For tissue culture

Good zwitterionic 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)

COAs

Packings

5 g (00005)

25 g (00025)

100 g (00100)

500 g (00500)

1GBA000015 1GBA000060 1GBA000180 1GBAB00040
Print friendly version
Article No. 04040 Grade For tissue culture
Purity 99% CAS No. 7365-45-9
Molecular Formula C8H18N2O4S Molecular Weight 238.30
H.S. Code 2933.5990 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

Specifications

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%
Revision Date: 07-Feb-2022

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