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HEPES, sodium salt, molecular biology grade

- Synonyms: N-(2-Hydroxyethyl)-piperazine-N'-(2-ethanesulfonic acid) sodium saltr- C8H17N2NaO4Sr- M = 260,28 g/molr- CAS [75277-39-3]r- EINECS-No.: 278-169-7r- Tariff number: 2933 59 95 90r- Applications: laboratory reagent, analytical chemistry, in buffer solutions, for biology.rrSPECIFICATIONSrrdried sample) : min. 99 %ridentity (IR-spectrum): passes testrr(2 %) in a 1 cm cell at 250 nm: max. 0,06 AUrchlorides (Cl): max. 0,005 %rsulfates (SO4): max. 0,005 %rheavy metals (as Pb): max. 5 ppmrloss on drying (105 ºC): max. 0,5 % r