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N-(2-Hydroxyethyl)piperazine-N'-2-ethane sulfonic acid ·Na-salt
research grade
(HEPES·Na-salt)
C8H17N2O4S·Na • Mr 260.3 • CAS 75277-39-3
pKa 20 = 7.55
Assay (titr.) A 1 cm/10 % in water 260 nm 280 nm pH 10 % in water |
min. 99 % max. 0.15 max. 0.1 9.5 - 11.5 |
EINECS: 278-169-7 • WGK: 1 • HS: 29335995
Storage Temperature: +15 °C to +30 °C
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