Dimethyl Sulfoxide (DMSO) Cas:67-68-5

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Product Description:

Product Name: Dimethyl sulfoxide (DMSO) CAS NO: 67-68-5

 

Synonyms:

Methane, sulfinylbis-;

(Methylsulfinyl) methane;

 

Chemical & Physical Properties:

Appearance: Colorless liquid

Assay :≥99.0%

Density: 1.1

Boiling Point: 189℃

Melting Point: 18.4-19.0℃

Freezing Point: 18.4℃

Flash Point: 95℃

Refractive Index: 1.477-1.48

Stability: Stable. Incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. Reacts violently with a number of materials

Sensitive: Hygroscopic

Storage Condition: Store at RT.

Vapor Density: 2.7 (vs air)

Vapor Pressure: 0.42 mm Hg (20℃)

Water Solubility: Soluble in water, methanol, acetone, ether, benzene, chloroform.

 

Safety Information:

Autoignition Temperature: 215℃

RTECS: PV6210000

Risk Statements: R36/37/38

HS Code: 29309070

Hazard Codes: Xi

Hazardous Substances Data: 67-68-5(Hazardous Substances Data)

Safety Statements: S26-S37/39

TSCA: Yes

Toxicity: LD50 orally in rats: 17.9 ml/kg (Bartsch)

WGK Germany: 1

 

Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in a wide range of organic solvents as well as water. It has a relatively high melting point. DMSO has the unusual property that many individuals perceive a garlic-like taste in the mouth after contact with the skin.

In terms of chemical structure, the molecule has idealized Cs symmetry. It has a trigonal pyramidal molecular geometry consistent with other three-coordinate S (IV) compounds, with a nonbonded electron pair on the approximately tetrahedral sulfur atom.

 

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