Chinese name: dimethyl sulfoxide
English name: Soluble in dimethyl sulfoxide
CAS: 67-68-5
EINECS number: 200-664-3
Molecular formula: C2H6OS
MDL number: MFCD00002089
Molecular weight: 78.13
Appearance properties: colorless odorless liquid.
Appearance: Colorless liquid, hygroscopic. Almost odorless, with a bitter taste. Soluble in water, ethanol, acetone, ether, benzene and chloroform.
Solubility: soluble in water, soluble in ethanol, acetone, ether, chloroform, etc.
Melting point: 18.4 °C
Boiling point: 189 °C(lit.)
Density: 1.100 g/mL at 20 °C
Vapor density: 2.7 (vs air)
Vapor pressure: 0.42 mm Hg (20 °C)
FEMA: 3875
Refractive index: n20/D 1.479(lit.)
Flash point: 192 °F
Storage: Store at RT.
Solubility: miscible (completely) in water
Acidity factor (pKa) : 35(at 25℃)
Form: liquid (temperature dependent)
Color: clear colorless
Odor: A slight smell of garlic
Relative polarity: 0.444
Fragrance: alliaceous
water solubility: Soluble in water, methanol, acetone, ether, benzene, chloroform.
Freezing point: 18.4℃
Sensitivity: hygroscopicity
Maximum wavelength (λmax) : λ: 285 nm Amax: ≤0.20
λ: 295 nm Amax: ≤0.20
JECFA Number: 507
Merck: 14,3259
BRN: 506008
Dielectric constant: 41.9 (55℃)
Stability: Stable. Incompatible with most materials, including acyl chloride, strong acids, strong oxidants, strong reducing agents, phosphorus halide, moisture, copper wire + trichloroacetic acid. Can react violently with many materials - check the full msds before use. It is hygroscopic.
InChIKey: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
LogP: -1.35
use
Used for aromatic extraction, resin and dye reaction medium, acrylic fiber polymerization, drawing solvent, etc
China
