Dimethyl sulfoxide, GC head space 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. 99,9 %
refractive index n20/D: 1,477 - 1,480
water (K.F.): max. 0,04 %

Packed under inert gas Suitable for residual solvents analysis according to guideline CPMP/ICH/283/95, Ph Eur and USP.
benzene (G.C.): absence of peak

dichloromethane: 0,6 mg/l
tert-Butyl methyl ether: 1 mg/l
acetone : 1 mg/l
methanol : 1 mg/l
tetrahydrofuran: 0,7 mg/l
n-Hexane: 0,3 mg/l
ethyl acetate: 1 mg/l
ethanol: 1 mg/l
cyclohexane: 1 mg/l
acetonitrile: 0,4 mg/l
2-propanol: 1 mg/l
isopropyl acetate: 1 mg/l
n-Propanol: 1 mg/l
n-Heptane: 1 mg/l
methylcyclohexane: 1 mg/l
1,4-Dioxane: 0,4 mg/l
toluene: 0,9 mg/l
pyridine: 1 mg/l
n-butanol: 1 mg/l
butyl acetate: 1 mg/l
ethylbenzene: 1 mg/l
p-Xylene: 1 mg/l
m-Xylene: 1 mg/l
o-Xylene: 1 mg/l
Other class 2 solvents: max. 10 mg/L
Other class 3 solvents: max. 50 mg/L