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

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

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

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