DIMETHYL DISULFIDE

Chemical Identification
Chemical Identification
CAS # 624-92-0
Formula

C₂H₆S₂

Synonyms

dimethyldisulfide; methyl disulfide

Physical Properties
Physical Properties
Physical description A colorless oily liquid with a disagreeable odor.
Boiling point 229.5°F Molecular weight 94.2
Freezing point/melting point -120.5°F Vapor pressure 28.6 mmHg
Flash point 76°F Vapor density 3.24
Specific gravity 1.065 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*
Sampling flow rate (TWA)*
Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments
Method reference
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA TLV-TWA

0.5 ppm [2006]

PEL-TWA
PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

NA

Skin notation

Y

Skin notation

NA

Notes:

Not established

Notes:

Not established

Notes: Notes:

Not established

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

0.01 ppm/50 ppm/250 ppm

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Dimethyl disulfide

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dimethyl disulfide. See annual publication for most recent information.
  • Dugravot, S., et al.: Dimethyl disulfide exerts insecticidal neurotoxicity through mitochondrial dysfunction and activation of insect KATP channels. J. Neurophysiol. 90(1): 259-270, 2003.
  • Kim, H.Y., et al.: Evaluation of subchronic inhalation toxicity of dimethyl disulfide in rats. Inhal. Toxicol. 18(5): 395-403, 2006.
  • Klingberg, J., Beviz, A., Ohlson, C.G. and Tenhunen, R.: Disturbed iron metabolism among workers exposed to organic sulfides in a pulp plant. Scand. J. Work Environ. Health 14(1): 17-20, 1988.
  • Moore, J.G., Jessop, L.D. and Osborne, D.N.: Gas-chromatographic and mass-spectrometric analysis of the odor of human feces. Gastroenterology 93(6): 1321-1329, 1987.
  • Pohanish, R.P. (editor): Dimethyl Disulfide. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 923-24.

Last Updated Date : 12/28/2020