Perchloromethyl mercaptan

Synonyms

(Trichloromethane)sulfenyl chloride; Clairsit; Mercaptan methylique perchlore [French]; Methanesulfenic acid, trichloro-, chloride; Methanesulfenyl chloride, trichloro-; Methanethiol, trichloro-; PCM; PMM; Perchlorinemethylmercaptan; Perchlormethylmerkaptan [Czech]; Perchloro-methyl-mercaptan (DOT); Perchloromethanethiol; Perchloromethyl mercaptan; Perchloromethylmercaptan; Thiocarbonyl tetrachloride; Trichlormethyl sulfur chloride; Trichlorofluoromethane; Trichloromethane sulfenyl chloride; Trichloromethanesulphenyl chloride; Trichloromethanethiol; Trichloromethyl sulfochloride; Trichloromethylsulfenyl chloride; Trichloromethylsulphenyl chloride; [ChemIDplus] UN1670

Category

Other Toxic Gases & Vapors

Description

Pale-yellow, oily liquid with an unbearable, acrid odor; [NIOSH]

Sources/Uses

Used in the production of dyes and fungicides; [ACGIH]

Comments

Exposure to high concentrations may cause pulmonary edema and death. [ACGIH] A severe skin, eye, and respiratory tract irritant; Inhalation of high concentrations can cause pulmonary edema; [ICSC] "Perchloromethyl mercaptan is a lachrymator and has tear gas properties." [CHEMINFO] Liquid may cause severe corneal burns if not rinsed out promptly; [CHRIS]

Biomedical References

Insufficient data

Yes

0.1 ppm

0.1 ppm

10 ppm

Excerpts from Documentation for IDLHs

Other human data: It has been stated that perchloromethyl mercaptan is about one­sixth as toxic as phosgene [Prentiss 1937].

3 mm Hg

0.001 ppm

LC50 (rat) = 11 ppm/1H

Explanatory Notes

Odor threshold from CHEMINFO; VP from HSDB;

Reference Link #2

Yes

Yes

Skin burns

Diseases

Occupational diseases associated with exposure to this agent:

• Pneumonitis, toxic