CAS No.: | 67-68-5 |
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Formula: | C2h6OS |
EINECS: | 200-664-3 |
Classification: | Primary Standards |
Grade: | LR |
Specific Usage: | For Biological Purpose, For Tissue Medium Purpose, For Microbiological, For Microscopic Purpose, For Electron Microscopy, For Lens Blooming, Technical Grade, Pratical Use, Pro Analysis, Super Special Grade, For Synthesis, For Scintillation, For Electrophoresis Use, For Refractive Index |
Samples: |
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CERTIFICATE OF ANALYSIS | |||
Commodity | Dimethyl sulfoxide | Standard | GBT21395-2008 |
Batch number | 20210701 | Inspection date | 2021.07.01 |
Items |
Index | Result |
|
Superior Grade | |||
Appearance | Colorless transparent liquid | Match the norm | |
Purity, % | ≥99.9 | 99.93 | |
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) | 1.4778~1.4790 | 1.4779 | |
Moisture,% | ≤0.05 | <0.05 | |
PH value | 6~8 | 7.0 | |
Test Conclusion |
Superior-grade |
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