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Chemical Sampling Information (CSI)
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General Description

Synonyms: Bromoethane

OSHA IMIS Code Number: 1090

Chemical Abstracts Service (CAS) Registry Number: 74-96-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: KH6475000; 33473

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1891 Poison

Chemical Description and Physical Properties:

colorless to yellow liquid with an ether-like odor
molecular weight: 109
vapor pressure: 375 mm
boiling point: 100°F
melting point: -182°F

Incompatibilities: Chemically active metals: sodium, potassium, calcium, powdered aluminum, zinc, magnesium

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 200 ppm, 890 mg/m3

Construction Industry: 200 ppm, 890 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 ppm, 22 mg/m3 TWA (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 200 ppm TWA, 250 ppm STEL

Health Factors

Potential Symptoms: Eye, skin, respiratory system irritation; CNS depression; pulmonary edema; liver, kidney disease; cardiac arrhythmias, cardiac arrest

Health Effects: Cumulative liver, kidney and heart damage (HE3) Narcosis (HE8); Irritation-Eyes, Lungs, Skin---Mild (HE16)

Affected Organs: Skin, liver, kidneys, respiratory system, CVS, CNS

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Isopropanol
    alternate solvent: (99:1) Carbon Disulfide/Dimethylformamide
    maximum volume: 4 Liters
    maximum flow rate: 0.2 L/min (TWA)
    maximum volume: 3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1 (NIOSH 1011)
    sampling analytical error: 0.09
    method classification: Partially Validated

Secondary Laboratory Sampling/Analytical Method (SAM2):

  • device: Detector Tube
    company: MSA
    part #: 85834
    range: 25-400 ppm
    class: Mfg

  • device: Detector Tube
    company:     Gastec
    part #: 136
    range: 10-90 ppm
    class: Mfg

  • device: Instrumentation
    company:     Infrared Spectrophotometer
    part #: MIRAN 1A & 1B
    range:     0.8 ppm @ 8.0 um
    class: Mfg

  • device: Instrumentation
    company: Organic Vapor Analyzer
    part #: Organic Vapor Analyzer
    class: Mfg

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