PIPES Disodium Salt -- CAS No: 76836-02-7

CAS Registry Number 76836-02-7
Name PIPES Disodium Salt
Synonyms 1,4-Piperazinediethanesulfonic acid disodium salt, Piperazine-1,4-bis(2-ethanesulfonic acid) disodium salt
Molecular Formula C8H16N2Na2O6S2
Molecular Weight 346.33
Molecular Structure PIPES Sodium Salt Structure

Specification

Test P1133, Ultra Pure P1135 Ultra BioPure
Appearance White powder White powder
Assay (by titration, on dried basis) ≥99.0% ≥99.0%
Identification (by IR) Acceptable Conforms to structure
Loss on Drying (3 hours @ 110ºC) ≤ 8.0% ≤ 8.0%
pH (0.1M solution in water) 10.0 – 11.5 10.0 – 11.5
pKa (@ 20°C) 6.65 – 6.95 6.65 – 6.95
Residue On Ignition -- --
UV Absorption (1M @260nm) ≤ 0.10 ≤ 0.10
Heavy Metals (Pb) ≤ 0.0005% ≤ 0.0005%
Biological Impurity Testing
Test P1133, Ultra Pure P1135 Ultra BioPure
Endotoxin (0.1% solution in H2O) -- ≤ 0.1 EU/mL
Bioburden -- ≤ 100 CFU/g
Trace Impurity Testing
test P1133, Ultra Pure P1135 Ultra BioPure
Sodium (Na) -- 13% – 13.60%
Specification Sheet
Specification Sheet PIPES Disodium Spec PIPES Disodium Spec

MSDS

MSDS
Material Safety Data Sheet