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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


Cat.No. Size EUR
25249.03 100 g inquire*  
25249.05 250 g inquire*  
25249.04 1 kg inquire*  
*Please log in to see your actual prices.

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