Physical and chemical properties: colorless oily flammable liquid. Boiling point 188 ° C (decomposition). Freezing point is -26.8 °C. Specific gravity (20/4 ° C) 1.3322. Flash point 83 ° C, soluble in ether, acetone, aromatic hydrocarbons, slightly soluble in carbon disulfide, aliphatic hydrocarbons and water.
Uses: dimethyl sulfate is used in the manufacture of dimethyl sulfoxide, caffeine, codeine, vanillin, aminopyrine, trimethoprim and pesticide acephate. It can replace halogenated alkane as a methylating agent in organic synthesis such as pesticides, dyes, and perfume industries.
Product specifications and implementation standards: HG/T 4001-2008
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Item
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Specification 1
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Specification 2
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Specification 3
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Content
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≥98.0%
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≥98.5%
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≥99%
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Acidity
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≤0.8%
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≤0.6%
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≤0.3%
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Appearance
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Colorless transparent or yellowish liquid
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Packing: barrel or special tanker
Dangerous Goods Code: 61116
UN Number: 1595
Packing Mark: Drugs; Corrosives