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Dimethyl sulfoxide CAS 67-68-5 DMSO Quick Details
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Product Name
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dmso dimethyl sulfoxide
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CAS
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67-68-5
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EINECS
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200-664-3
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Molecular formula
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C2H6OS
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Molecular Weight
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78.13
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Physical and Chemical Properties
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M.P.：
18.4 ℃
B.P.：189
F.P.：95 ℃
Density：1.100 g/mL，20/4℃
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General Description
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Colorless liquid
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Usage
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Widely used as a solvent
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Packing
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225kg/Drum
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Storage condition
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Store in cool and dry place & keep away from strong light and heat.
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Specifications
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Description
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Colorless liquid
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DMSO CONTENT (%)
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≥99.90
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CRYSATLIZING POINT (℃)
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≥18.10
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ACID VALUE (mgKOH/g)
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≤0.02
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REFRACTIVE INDEX (nd20℃)
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1．4775~1.4790
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TRANSMITTANCE (400nm50%)
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≥96.0
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WATER CONTENT (%)
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≤0.1
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SPECIFIC GRAVITY
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1.095~1.101
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ODOUR
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Odorless or little peculiar smell
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Dimethyl sulfoxide (DMSO) is a sulfur-containing organic compound with a molecular formula of C2H6OS. It is a colorless and odorless transparent liquid at room temperature. It is a hygroscopic flammable liquid. It has the characteristics of high polarity, high boiling point, good thermal stability, aprotic, and water miscibility. It is soluble in most organic substances such as ethanol, propanol, benzene and chloroform, and is known as the "universal solvent". Heating in the presence of acid will produce a small amount of compounds such as methyl mercaptan, formaldehyde, dimethyl sulfide, and methanesulfonic acid. It decomposes under high temperature, and it reacts violently when it meets chlorine, and it burns in the air and emits a light blue flame. It can be used as organic solvent, reaction medium and organic synthesis intermediate. It can also be used as a dyeing solvent, de-staining agent, dyeing carrier for synthetic fibers, and an absorbent for recovering acetylene and sulfur dioxide
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