NAME: Chlorobromomethane
SYNONYM(s):
Bromochloromethane; Methylene chlorobromide; CB; CBM; Halon 1011
IMIS: 0627
CAS: 74-97-5
NIOSH: RTECS PA5250000; 47838
DOT: UN1887 Keep Away From Food
DESCRIPTION:
Colorless to pale yellow liquid with a characteristic, sweet odor.
MW:
129
BP:
154 F
VP:
117 mm
MP:
-126 F
INCOM:
Chemically active metals: calcium, powdered aluminum, zinc,
magnesium
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
200 ppm, 1050 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
200 ppm, 1050 mg/m3 TWA
ACGIH TLV:
200 ppm, 1060 mg/m3 TWA
NIOSH REL: 200 ppm TWA
Health Factors
SYMPTOM(s):
Disorientation, dizziness; irritated eyes, throat, skin; pulmonary
edema
HEALTH EFFECTS:
Cumulative liver damage (HE3); Narcosis (HE8)
Irritation-Eyes, Throat---Mild (HE16)
ORGAN:
Skin, liver, kidneys, respiratory system, CNS
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Charcoal Tube (100/50 mg sections, 20/40 mesh)
ANL SOLVENT:
Carbon Disulfide
MAX V:
5 Liters MAX F:
0.2 L/min
ANL 1:
Gas Chromatography; GC/FID
REF:
1 (NIOSH 1003)
SAE:
0.10
CLASS:
Partially Validated
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
DEVICE: Detector Tube
COMPANY: Gastec
PART #: 136
RANGE: 8-80 ppm
CLASS: Mfg
DEVICE: Detector Tube
COMPANY: Gastec
PART #: 135
RANGE: 20-350 ppm
CLASS: Mfg
DEVICE: Detector Tube
COMPANY: MSA
PART #: 85834
RANGE: 50-400 ppm
CLASS: Mfg
DEVICE: Instrumentation
COMPANY: Infrared Spectrophotometer
PART #: MIRAN 1A
RANGE: 0.7 ppm @ 8.4 um
CLASS: Mfg
DEVICE: Instrumentation
COMPANY: Infrared Spectrophotometer
PART #: MIRAN 103
RANGE: 0-400 ppm @ 8.1 um
CLASS: Mfg
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