Dimethyl sulfoxide, CHROMASOLV™, GC-Headspace tested, =99.9%

Name: Dimethyl sulfoxide
Synonymn: DMSO
Description: CHROMASOLV™, GC-Headspace tested, ≥99.9%

Container Type: Glass Bottle

Molar Mass: 78.13 g/mol

Empirical Formula: C₂H₆OS
Linear Formula: (CH₃)₂SO

CAS Number: 67-68-5
Bielstein Registry Number: 506008
MDL Number: MFCD00002089
RTECS Number: 200-664-3

SPECIFICATIONS

Suitability for the GC Headspace: complying
Assay (GC): min. 99.9 %
Refractive index (n 20/D): 1.477 - 1.480
Water (Karl Fischer): max. 0.04 %
Absorbance at 268 nm: max. 0.522
Absorbance at 275 nm: max. 0.221
Absorbance at 300 nm: max. 0.070
Absorbance at 350 nm: max. 0.022
Absorbance at 400 nm: max. 0.008



PHYSICAL PROPERTIES

Vapor Density: 2.7 (vs air)
Refractive Index: n20/D 1.479(lit.)
Refractive Index: n20/D 1.479
Autoignition Temperature: 573 °F
Vapor Pressure: 0.42 mmHg ( 20 °C)
Explosion Limit: 42 %, 63 °F
Boiling Point: 189 °C
Freezing Point: 18.5 °C
Density: 1.104 g/cm3



SAFETY INFORMATION

Flashpoint: 87 °C
Signal Word: Warning

Hazard Statement(s):
Combustible liquid (H227)

Precautionary Statement(s):
Keep away from heat/sparks/open flames/hot surfaces - No smoking (P210)
Wear protective gloves/protective clothing/eye protection/face protection (P280)