Dimethyl sulfoxide CAS NO.67-68-5

Dimethyl sulfoxide Basic information

Product Name:    Dimethyl sulfoxide
Synonyms:    sulfinylbis (methane);DMSO;DIMETHYL SULFOXIDE;DIMETHYL SULPHOXIDE;DIMETHYLIS SULFOXIDUM;FEMA 3875;Methyl sulfoxide, extra pure, 99.85%;Methyl sulfoxide, for analysis ACS, 99.9+%
CAS:    67-68-5
MF:    C2H6OS
MW:    78.13
EINECS:    200-664-3
Product Categories:  
Mol File:    67-68-5.mol

Dimethyl sulfoxide Chemical Properties
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 | METHYLSULFINYLMETHANE
refractive index     n20/D 1.479(lit.)
Fp     192 °F
storage temp.     Store at RT.
solubility     H2O: miscible (completely)
pka    35(at 25℃)
form     liquid (temperature dependent)
color     clear colorless
Relative polarity    0.444
Odor    Mild garlic odor
explosive limit    1.8-63.0%(V)
Water Solubility     Soluble in water, methanol, acetone, ether, benzene, chloroform.
FreezingPoint     18.4℃
Sensitive     Hygroscopic
λmax    λ: 285 nm Amax: ≤0.20
λ: 295 nm Amax: ≤0.20
JECFA Number    507
Merck     14,3259
BRN     506008
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 - consult a full data sheet before use. Hygroscopic.
InChIKey    IAZDPXIOMUYVGZ-UHFFFAOYSA-N
CAS DataBase Reference    67-68-5(CAS DataBase Reference)
NIST Chemistry Reference    Dimethyl sulfoxide(67-68-5)
EPA Substance Registry System    Dimethyl sulfoxide (67-68-5)

Safety Information
Hazard Codes     Xi
Risk Statements     36/37/38
Safety Statements     24/25-37/39-26-36-23
RIDADR     NA 1993 / PGIII
WGK Germany     1
RTECS     PV6210000
F     3
Autoignition Temperature    215 °C
TSCA     Yes
HS Code     29309070
Hazardous Substances Data    67-68-5(Hazardous Substances Data)
Toxicity    LD50 orally in rats: 17.9 ml/kg (Bartsch)