| Customization: | Available |
|---|---|
| CAS No.: | 67-68-5 |
| Formula: | C2h6OS |
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|
CERTIFICATE OF ANALYSIS
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Commodity
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Dimethyl sulfoxide
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Standard
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GBT21395-2008
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Batch number
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20210701
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Inspection date
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2021.07.01
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Items |
Index
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Result |
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Superior Grade
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Appearance
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Colorless transparent liquid
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Match the norm
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Purity, %
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≥99.9
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99.93
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Crystallizing point ºC
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≥18.1
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>18.3
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Acid number , mg/g (caiculated by KOH)
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≤ 0.03
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0.01
|
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Transmittance(400nm),%
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≥96
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100.3
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Refractive index(20ºC)
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1.4775~1.4790
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1.4780
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Moisture,%
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≤0.05
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<0.05
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PH value
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6~8
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7.0
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Test Conclusion
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Superior-grade
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