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Dimethyl sulfoxide

Dimethyl sulfoxide

Product Name:Dimethyl sulfoxide (DMSO)
CAS No.:67-68-5
EINECS No.:200-664-3
Molecular Formula:C2H6OS
Molecular Weight:78.13
Flash Point:192 °F
Purity (%):≥99%
Moisture (%):≤0.5%
Specific Gravity:1.100 g/mL at 20 °C
Appearance:Colorless and clear liquid
Storage:Fireproof; Cool & Dry; Well closed.
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Description

CERTIFICATE OF ANALYSIS
CommodityDimethyl sulfoxideStandardGBT21395-2008
Batch number20230701Inspection date2023.07.01
ItemsIndexResult
Superior Grade
AppearanceColorless transparent liquidMatch the norm
Purity, %≥99.999.93
Crystallizing point ºC≥18.2>18.2
Acid number , mg/g (caiculated by KOH)≤ 0.03<0.03
Transmittance(400nm),%≥96>96
Refractive index(20ºC)1.4778~1.47901.4779
Moisture,%≤0.05<0.05
PH value6~87.0
Test ConclusionSuperior-grade


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