Dimethyl Sulfoxide (USP, BP, Ph. Eur.) pharma grade

Melting Point:

18.4 °C

Boiling Point:

189 °C

Density:

1.103 kg/l

Refractive Index:

20/D 1.477

Physical Description:

liquid

Product Code:

191954

Product Name:

Dimethyl Sulfoxide (USP, BP, Ph. Eur.) pharma grade

Quality Name:

pharma grade

Specifications:

Minimum assay (G.C.): 99.9%
Identity according to Pharmacopoeias:: passes test
IR passes test
Density 25/25: 1.095-1.101
Density 20/20: 1.100-1.104
Freezing point: ≥ 18.3°C
Refractive Index n 20/D: 1.478-1.480
Refractive Index n 25/D: 1.4755-1.4775

Maximum limit of impurities
Acidity: passes test
Non-volatile matter: 0.01 %
Absorbance (UV):
Related substances USP (G.C.): 0.1 %
Substances darkened by KOH: passes test
Residual solvents (Ph.Eur/USP): passes test
ABS 270 - 350 nm: passes test
No maximum absorption
ABS at 275 nm: 0.20
ABS at 285 nm: 0.20
ABS at 295 nm: 0.20
Relationship A285/A275: 0.65
Relationship A295/A275: 0.45
Related substances Ph.Eur. (G.C.)
Individual: 0.10%
Total: 0.15%
Dimethyl Sulfone (G.C.): 0.03%
Water (H2O): 0.1 %

WGK:

1

Storage:

Storage away from direct light.

Master Name:

Dimethyl Sulphoxide

Synonyms Long Text:

DMSO, Methylsulphoxide, Sulphinylbismethane

EINECS:

200-664-3

CS:

2930 90 98 99

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