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LC4725 Piperazine-1,4-bis(2-ethanesulfonic acid)
buffer substance PIPES

 

Order number Packaging Quantity Price €
AC31725 Plastic bottle 25 g 20.7
AC31725 Plastic bottle 250 g 131.4
AC31725 Plastic bottle 1 kg 484.2
AC31725 Plastic drum 10 kg 227.7

 

Product information
Synonyms PIPES
Hill Formula C8H18N2O6S2
HS Code 2933 59 95
EC number 227-057-6
Molar mass 302.36 g/mol
CAS number 5625-37-6

 

Chemical and physical data
Solubility (20 °C) slightly soluble
Molar mass 302.36 g/mol
Bulk density 550 kg/m3
pH value 2.5 – 3.0 (10 g/l, H2O, 20 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Specifications
Assay (acidimetric) ≥ 99 %
Identity (IR-spectrum) passes test
UV-Absorption (250 nm, 20 g/l, 1 cm, sodium hydroxid 1 mol/l) ≤ 0.05
Chloride (Cl) ≤ 0.2 %
Sulphate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.0005 %
Na (Sodium) ≤ 0.2 %
Loss on drying (105 °C) ≤ 0.5 %
Biological buffer, pK7a at 20 °C 6.80