NAME: Perchloromethyl Mercaptan

SYNONYM(s): PMM; Trichloromethyl sulfur chloride; Trichloromethane sulfenyl chloride; Perchloromethanethiol

IMIS: 2030

CAS: 594-42-3

NIOSH: RTECS PB0370000; 47915

DOT: 1670 55

DESCRIPTION:

Pale yellow, oily liquid, foul-smelling, strong, acrid odor.
MW: 185.87
BP: 300 F
VP: 65 mm
MOLFM: CCl4S

INCOM: Alkalies, amines, hot iron

OSHA GENERAL INDUSTRY PEL: 0.1 ppm, 0.8 mg.m3

OSHA CONSTRUCTION INDUSTRY PEL: 0.1 ppm, 0.8 mg/m3 TWA

ACGIH TLV: 0.1 ppm, 0.76 mg/m3 TWA

NIOSH REL: 0.1 ppm TWA

SYMPTOM(s): Lacrimation, eye inflammation; nose, throat irritation; cough; dyspnea; deep breath pain, coarse rales; vomiting; pallor; tachycardia; acidosis; anuria

HEALTH EFFECTS: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Suspect carcinogen (HE2)

ORGAN: Eyes, respiratory system, liver, kidneys, skin

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

Call SLTC for assistance.

ART: Reference: Nishikawa,Yoshinori; Kuwata, Kazuhira. . "Analytical Chemistry" 57, 1985, pp1864-8. Title: Liquid Chromatographic Determination of Low . Molecular Weight Alkylthiols in Air via . Derivatization with NBD-Chloride . (7-Chloro-4-Nitro-2,1,3-Benzoxadiazole) Collection: Sep-PAK Florisil coated with NBD-Cl (Tubes . used in OME 40 NBD-CL on XAD-7 may work) Air Vol and FLowrate: 100L at 0.8-1.2L/min Analysis: 2 mL of MeOH were used to dynamically desorb . the derivative. The samples stood at room temp . for 15 minutes before analysis by HPLC. Column: Develosil ODS-3 10cmx4mm at 30 deg C Eluent: 45/55 acetonitrile/water at 1 mL/min. Detector: UV at 425nm or fluorescent at 425 nm excitation . and 510 nm emission. Mercaptans studied: Methyl, ethyl, isopropyl, propyl, . 2-methyl-2-propyl, 2-butyl, . 2-methyl-1-propyl, and 1-butyl

SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):

DEVICE: Instrumentation COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B RANGE: 0.3 ppm @ 13.2 um
CLASS: Mfg