DIMETHYL SULFIDE

Chemical Identification
CAS #	75-18-3
Formula	C₂H₆S
Synonyms	methyl sulfide; thiobismethane; DMS; methylthiomethane; 2-thiapropane; 2-thiopropane

Physical Properties
Physical description	A clear colorless to straw colored liquid with a disagreeable odor.
Boiling point	99°F	Molecular weight	62.1
Freezing point/melting point	-144°F	Vapor pressure
Flash point	-36°F	Vapor density
Specific gravity	0.85	Ionization potential
Lower explosive limit (LEL)	2.2%	Upper explosive limit (UEL)	19.7%
NFPA health rating	2	NFPA fire rating	4
NFPA reactivity rating	0	NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.)	D650
Sampling group
Sampler/Sampling media	CSC tube (100/50 mg) [SKC 226-01]
Sampling time^*
Sampling volume (TWA)^*	5 L
Sampling flow rate (TWA)^*	0.1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FPD
Method reference	OSHA PV2210 (partially validated)
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

**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	10 ppm [2001]	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	N	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: 0.5 ppm/1000 ppm/5000 ppm

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Dimethyl sulfide

NIOSH: Pocket Guide to Chemical Hazards - Dimethyl sulfide

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dimethyl sulfide. See annual publication for most recent information.
Blom, H.J., Boers, G.H., van den Elzen, J.P., Gahl, W.A. and Tangerman, A.: Transamination of methionine in humans. Clin. Sci. (Lond.) 76(1): 43-49, 1989.
Egorin, M.J., Rosen, D.M., Sridhara, R., Sensenbrenner, L. and Cottier-Fox, M.: Plasma concentrations and pharmacokinetics of dimethylsulfoxide and its metabolites in patients undergoing peripheral-blood stem-cell transplants. J. Clin. Oncol. 16(2): 610-615, 1998.
Gahl, W.A., Ingelfinger, J., Mohan, P., Bernardini, I., Hyman, P.E. and Tangerman, A.: Intravenous cysteamine therapy for nephropathic cystinosis. Pediatr. Res. 38(4): 579-584, 1995.
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.
Pohanish, R.P. (editor): Dimethyl Sulfide. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 941-942.
Suarez, F.L., Furne, J.K., Springfield, J. and Levitt, M.D.: Morning breath odor: influence of treatments on sulfur gases. J. Dent. Res. 79(10): 1773-1777, 2000.

Last Updated Date : 12/28/2020

DIMETHYL SULFIDE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References