DMSO - Dimethyl sulfoxide 500ml STANLAB

NOTE
Below a temperature of 18.5°C the product crystallizes, which
does not change its properties.

PARAMETERS
Name of the substance: DIMETHYLSULFOXIDE (DMSO)

Species: pure for analysis
Chemical formula: C2H6OS
CAS number:
67-68-5
EC number: 200-664-3
Synonyms: DMSO
Form: liquid
Color:
Colorless
Odor: sulfurous
pH value: not applicable
Temperature
Melting point: 18.5°C
Boiling point: 189°C
Flash point: 87°C
(closed cup)
Flammability: Flammable (when hot)
Limits
Explosion limits: lower - 2.6% (V); upper - 28.5% (V)
Vapor pressure: 0.556 hPa at
20°C; 4 hPa at 50°C; 20 hPa at 80°C; 49 hPa at 100°C
Vapor density: 3.48 kg/m3

Relative water vapor density: 2.7 (air = 1)
Density (20°C): 1104 kg/m3

Relative density (20°C): 1.104 (water = 1)
Solubility in water:
completely soluble at 20°C; >1000 g/l in organic solvents:
soluble in ethyl ether, alcohols, aromatic hydrocarbons

Partition coefficient (n-octanol/water): logKow: -1.35
Temperature
Autoignition: 300 - 302°C
Thermal decomposition: above 190°C
Viscosity
Dynamic viscosity (20°C): 2.14 mPa*s
Explosive properties: not applicable

Oxidizing properties: not applicable
Surface tension (20°C):
43.5 mN/m pKa: 35.1
Henry's constant: 868E-06 Pa*m3 (The substance is not
volatile)
Absolute refractive index (20°C): 1.4785

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