NAME: Ethyl Mercaptan
SYNONYM(s):
Ethanethiol
IMIS: 1220
CAS: 75-08-1
NIOSH: RTECS KI9625000; 33703
DOT: UN2363 Flammable Liquid
DESCRIPTION:
MW:
62.14
BP:
36 deg C
MOLFM:
C2H6S ODRTHRS: 0.76 ppb
INCOM:
Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
10 ppm, 25 mg/m3 Ceiling
OSHA CONSTRUCTION INDUSTRY PEL:
0.5 ppm, 1 mg/m3 TWA
ACGIH TLV:
0.5 ppm, 1.3 mg/m3 TWA
NIOSH REL: 0.5 ppm Ceiling
Health Factors
SYMPTOM(s):
Headaches; nausea; mucous membrane, irritation; in animals:
incoordination; weakness; pulmonary irritation; liver, kidney
damage; cyanosis
HEALTH EFFECTS:
Odor (HE20); Irritation-Nose, Throat---Mild (HE16)
ORGAN:
Respiratory system; in animals: liver, kidneys
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Coated Glass Fiber Filter (37 mm Gelman Type A) Coating is 5% (w/v) Mercuric Acetate solution
ANL SOLVENT:
20 mL-25% HCl, 5 mL-Methylene Chloride
MAX V:
150 Liters MAX F:
0.2 L/min
ANL 1:
Gas Chromatography; GC/FPD
REF:
1 (NIOSH 2542)
SAE:
0.16
CLASS:
Partially Validated
NOTE:
Protect samples from light until analysis.
ART:
Reference: Knarr, Richard D.; Rappaport, Stephen M. "Am. Ind. Hyg.
Assoc. J." 1981, 42.
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
DEVICE: Detector Tube
COMPANY: Gastec
PART #: 72
RANGE: 1-120 ppm
CLASS: Mfg
DEVICE: Detector Tube
COMPANY: MSA
PART #: 454206
RANGE: 0.5-100 ppm
CLASS: Mfg
DEVICE: Detector Tube
COMPANY: Kitagawa
PART #: 165A
RANGE: 1-160 ppm
CLASS: Mfg
DEVICE: Instrumentation
COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A & 1B
RANGE: 0.8 ppm @ 3.3 um
CLASS: Mfg
DEVICE: Instrumentation
COMPANY: Organic Vapor Analyzer
PART #: Organic Vapor Analyzer
CLASS: Mfg
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