- Synonyms: Sodium 1-heptylsulfonater- C7H15NaO3Sr- M = 202,25 g/molr- CAS [22767-50-6]r- EINECS-No.: 245-210-5r- Solub. in water: (20 ºC): freely solubler- Tariff number: 2904 10 00 90r- Applications: analytical chemistry, laboratory reagent, chromatography.rrSPECIFICATIONSrassay (acidimetric): min. 99,0 %ridentity (IR-spectrum): passes testrpH (10 %, H2O): 5,5 - 7,5 rloss on drying : max. 1 %rabsorbance of an aqueous solution 0,1M in a 1cm cell at 254 nm: 0,045 AUrr200 nm: max. 0,15 AUr220 nm: max. 0,05 AUr