C2H6OS
Dimethylsulfoxide Headspace
GC-Headspace grade dimethylsulfoxide specifically developed for the analysis of OVI - Organic Volatile Impurities - as described by the ICH, USP & EP methods. Every production batch of GC-Headspace grade dimethylsulfoxide is evaluated by analysis against OVI standard to ensure the absence of interfering peaks in the GC chromatogram.
Main Properties
| M | 78.13 |
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| D | 1.1 |
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| b.p | 189 °C |
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| m.p | 18.4 °C |
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Product Specification
| Appearance | Clear colorless liquid |
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| Assay (GC, on anhydrous basis) | min. 99.99% |
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| Refractive index (20/D) | 1.477-1.480 |
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| Water (KF) | max. 0.03%w/w |
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| UV cutoff wavelength | 190-265nm |
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| T268nm | min. 30% |
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| T275nm | min. 60% |
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| T300nm | min. 85% |
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| T350nm | min. 95% |
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| T400nm | min. 98% |
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| Headspace test for O.V.I's | Passes HS test for O.V.I's |
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