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Alias
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Trimethylbenzene
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English Name
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1,2,4-trimethyl benzene;pseudocumene
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Molecular Formula
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C9H12
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Physical & Chemical Property
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Achromatic liquid, indissoluble in water but dissoluble in ethanol, ether and benzene. Its parameters are as follows,such as melting point ( -44℃), boiling point(168℃),relative density((d420)0.8758),refractive index ((nD21)1.5048),flash point for closed entry (48℃), and heat of combustion(5206.99kj).
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Quality Index
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Execution Standard: Q/SH004.1.09-90 Production Standard
Index: Test Approach
Purity(m/m%) ≥98 ≥98 GB/T2013-80(88)
Toluene and
Ethylbenzene
Content(m/m%) ≤1.0 ≤1.0
Density(d420) Actual Measurement Actual Measurement
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Application
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The matter is a fundamental raw material for organic chemicals that is mainly used for manufacturing of vitamin E, dyestuff,synthetic resin,hydrogen peroxide, trimellitic anhydride,watersoluble alkyd,unsaturated polyester resin,plasticizer, epoxy hardener,as well as surface active agent.
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Method for Making
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It can be abstracted from C9-C10 arene that is produced by the process of catalytic reforming and naphtha cracking. The content of metamesitylene in reformed arene exceeds 40% or above. By dint of rectifying method, the product with the purity up to 99% can be produced.
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Toxicity and Safety
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The product is toxic and may irritate mucous membrane and central nervous system. Don't contact.
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Package, Storage and Transportation
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As a flammable and explosive substance, it should be stored in qualified oilcan,tanker or iron bucket at a proper volume and the full storage is forbidden. While transporting,pyrotechnics is forbidden according to related safety and fireproof regulations,meanwhile,the complete fire fighting equipment should be equipped with.
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