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Dimethyl sulfoxide, HPLC grade

- Synonyms: DMSO, Sulfinyl bis(methane), Methylsulfoxide, Methylsulfinylmethane
- C2H6OS
- M = 78,13 g/mol
- CAS [67-68-5]
- EINECS-No.: 200-664-3
- Density: 1,10 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: 18,5 ºC
- Boiling point: (33 hPa) 85 - 87 ºC
- Flash pt. 95 ºC
- Ignition temp.: 300 - 302 ºC
- Vapour pressure: (20 ºC) 0,6 hPa
- Refraction index: (n 20 ºC/D) 1,48
- LD 50 (oral, rat): 14500 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H315 - H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313
- Tariff number: 2930 90 98 99
- Applications: analytical chemistry, solvents, synthesis of organic products.

SPECIFICATIONS
assay (G.C.): min. 99,8 %
identity (IR-spectrum): passes test
density (20º/4º): 1,099 - 1,101
acidity: max. 0,0005 meq/g
alkalinity: max. 0,0002 meq/g
residue on evaporation: max. 0,0003 %
water (K.F.): max. 0,1 %

wavelength:: T(%) A (AU)
268 nm: 20 % 0,699 AU
280 nm: 50 % 0,301 AU
320 nm: 90 % 0,046 AU

Microfiltered through membranes of pore diameter 0,22 µm