- Synonyms: Sodium 1-butylsulfonater- C4H9NaO3Sr- M = 160,17 g/molr- CAS [2386-54-1]r- EINECS-No.: 219-201-1r- Solub. in water: (20 ºC): solubler- Melting point: > 310 ºCr- Tariff number: 2904 10 00 90r- Applications: chromatography, synthesis of organic products.rrSPECIFICATIONSrassay (acidimetric): min. 99 %ridentity (IR-spectrum): passes testrinsoluble matter: passes testrrwavelength:: absorbance:r210 nm: 0,1 AUr220 nm: 0,06 AUr230 nm: 0,04 AUr260 nm: 0,02 AUr