- Synonyms: DMSO, Sulfinyl bis(methane), Methylsulfoxide, Methylsulfinylmethaner- C2H6OSr- M = 78,13 g/molr- CAS [67-68-5]r- EINECS-No.: 200-664-3r- Density: 1,10 g/cm3 r- Solub. in water: (20 ºC): miscibler- Melting point: 18,5 ºCr- Boiling point: (33 hPa) 85 - 87 ºCr- Flash pt. 95 ºCr- Ignition temp.: 300 - 302 ºCr- Vapour pressure: (20 ºC) 0,6 hPar- Refraction index: (n 20 ºC/D) 1,48r- LD 50 (oral, rat): 14500 mg/kgr- GHS-signal word: Warningr- GHS-H sentences: H315 - H319r- GHS-P sentences: P280 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313r- Tariff number: 2930 90 98 99r- Applications: analytical chemistry, solvents, synthesis of organic products.rrSPECIFICATIONSrassay: min. 99,9 %rIdentification IR: passes testrIdentification B (USP): passes testrIdentification D (EP): passes testrdensity (20º/20º): 1,100 - 1,104rdensity (25º/25º): 1,095 - 1,101rrefractive index n20/D: 1,478 - 1,480rrefractive index n25/D: 1,4755 - 1,4775racidity: passes testrfreezing point: min. 18,3 ºCrrtotal : max. 0,1 % reach unspecified impurity: max. 0,1 % rresidue on evaporation: max. 0,01 %rwater (K.F.): max. 0,1 %rrwavelength:: A (AU)r275 nm: 0,20r285 nm: 0,20r295 nm: 0,20rrabsorbance ratio 285/275 nm: max. 0,65rabsorbance ratio 295/275 nm: max. 0,45rrabsorbance 270 - 350nm: passes testr