DIPROPYL DISULFIDE

Chemical Identification
CAS #	629-19-6
Formula	C₆H₁₄S₂
Synonyms	di-n-propyl disulfide; propyl disulfide; propyl disuphide

Physical Properties
Physical description	Colorless to pale yellow odorous liquid.
Boiling point	383°F	Molecular weight	150.3
Freezing point/melting point	-122.1°F	Vapor pressure
Flash point	151°F	Vapor density
Specific gravity		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
Analyte code (IMIS no.)	D626
Sampling group
Sampler/Sampling media	Chromosorb® 106 (100/50 mg) [SKC 226-110]
Sampling time^*	50 min
Sampling volume (TWA)^*	10 L
Sampling flow rate (TWA)^*	0.2 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-FPD
Method reference	OSHA PV2086 (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		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	NA	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Not established		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Not listed

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

Acros Organics.: Material Safety Data Sheet: Propyl disulfide, 99%.
Guyonnet, D., Siess, M.H., Le Bon, A.M. and Suschetet, M.: Modulation of phase II enzymes by organosulfur compounds from allium vegetables in rat tissues. Toxicol. Appl. Pharmacol. 154(1): 50-58, 1999.
Nielsen, G.S. and Poll, L.: Determination of odor active aroma compounds in freshly cut leek (Allium ampeloprasum Var. bulga) and in long-term stored frozen unblanched and blanched leek slices by gas chromatography olfactometry analysis. J. Agric. Food Chem. 52(6): 1642-1646, 2004.
O'Neill, D.H. and Phillips, V.R.: A review of the control of odour nuisance from livestock buildings: Part 3. Properties of the odorous substances which have been identified in livestock wastes or in the air around them. J. Agric. Eng. Res. 53(1): 23-50, 1992.
Teyssier, C. and Siess, M.H.: Metabolism of dipropyl disulfide by rat liver phase I and phase II enzymes and by isolated perfused rat liver. Drug Metab. Dispos. 28(6): 648-654, 2000.

Last Updated Date : 12/28/2020

DIPROPYL DISULFIDE

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References