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Dimethyl disulfide Structure

Dimethyl disulfide

Chemical Properties

Melting point -85 °C
Boiling point 109 °C(lit.)
Density  1.0625
vapor density  3.24 (vs air)
vapor pressure  22 mm Hg ( 20 °C)
refractive index  n20/D 1.525(lit.)
FEMA  3536 | DIMETHYL DISULFIDE
Flash point 76 °F
storage temp.  Flammables area
solubility  2.7g/l
form  Liquid
Specific Gravity 1.0647 (20/4℃)
color  Clear yellow
Odor at 0.10 % in propylene glycol. sulfurous vegetable cabbage onion
Odor Type sulfurous
Viscosity 0.594mm2/s
explosive limit 1.1-16.1%(V)
Odor Threshold 0.0022ppm
Water Solubility  <0.1 g/100 mL at 20 ºC
JECFA Number 564
BRN  1730824
Exposure limits ACGIH: TWA 0.5 ppm (Skin)
Dielectric constant 9.7699999999999996
Stability Stable. Incompatible with strong bases, strong oxidizing agents, strong reducing agents. Flammable.
InChIKey WQOXQRCZOLPYPM-UHFFFAOYSA-N
LogP 1.91 at 20℃
Substances Added to Food (formerly EAFUS) METHYL DISULFIDE
CAS DataBase Reference 624-92-0(CAS DataBase Reference)
NCI Dictionary of Cancer Terms MDS
FDA UNII 3P8D642K5E
NIST Chemistry Reference Disulfide, dimethyl(624-92-0)
EPA Substance Registry System Methyl disulfide (624-92-0)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H301+H331-H317-H319-H336-H370-H410
Precautionary statements P210-P273-P280-P301+P310-P303+P361+P353-P304+P340+P311
Hazard Codes  F,Xn,N,T+
Risk Statements  11-20/22-36-51/53-36/37/38-26-22-36/37
Safety Statements  26-61-45-38-36/37/39-28A-16-60-57-39-29
RIDADR  UN 2381 3/PG 2
WGK Germany  2
RTECS  JO1927500
Autoignition Temperature 304 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29309070
Hazardous Substances Data 624-92-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 290 - 500 mg/kg
NFPA 704:
3
3 0

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