Piperazine-N,N'-bis(2-ethane sulfonic acid)analytical grade

(PIPES, Piperazinediethane sulfonic acid)
C8H18N2O6S2Mr 302.4CAS [5625-37-6]

Buffering substance for biochemistry and molecular biology. Important buffer component in Northern Blot hybridisation buffers.
pKa 20 = 6.8.

Assay (titr.)
A 1 cm/2 % in NaOH
250 nm
Heavy metals (Pb)

min. 99.0 %

max. 0.2
max. 0.0005 %

  1. Good, N.E. et al. (1966) Biochemistry 5, 467-77

HS: 29335995
Storage Temperature: +15 °C to +30 °C

50 g
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250 g
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Certificates of Analysis (Lot.-no. - release date)

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