Agent Name

1,2-Ethanedithiol

CAS Number

540-63-6

Formula

C2-H6-S2

Major Category

Other Classes

Synonyms

1,2-Dimercaptoethane; 1,2-Dithiol ethane; 1,2-Ethanethiol; Dithioethyleneglycol; Dithioglycol; Ethyl hydropersulfide; Ethylene dimercaptan; Ethylene dithioglycol; Ethylene glycol, dithio-; Ethylene mercaptan; Ethylenedimercaptan; Ethylenedithiol; S-Ethylene dimercaptan; s-Ethylene dimercaptan; [ChemIDplus] UN1228

Category

Thiols

Description

Colorless liquid with an unpleasant repulsive odor; [CHEMINFO]

Sources/Uses

Used as a metal-complexing agent; [Hawley]

Comments

"Vapors of ethanedithiol may cause severe headache and nausea." [Merck Index] An eye, nose, and throat irritant; Inhalation can cause CNS depression; [CHEMINFO] An irritant; [MSDSonline] See "THIOLS."

Exposure Assessment
Vapor Pressure

5.61 mm Hg

Odor Threshold Low

0.03 ppm

Odor Threshold High

5.6 ppm

Lethal Concentration

LC50 (rat) = 1,170mg/m3/4h

Explanatory Notes

Odor threshold (low = very faint, high = easily noticable) from CHEMINFO; The Guide in the Emergency Response Guidebook is for "Mercaptans, liquid, flammable, toxic, n.o.s."

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.