ETHYL BROMIDE†

Chemical Identification
CAS # 74-96-4
Formula

C₂H₅Br

Synonyms

bromoethane; monobromoethane

Physical Properties
Physical description Colorless to yellow liquid with an ether-like odor.
Boiling point 101°F Molecular weight 109
Freezing point/melting point -182°F Vapor pressure 375 mmHg
Flash point -10°F Vapor density 3.76
Specific gravity 1.46 Ionization potential 10.29 eV
Lower explosive limit (LEL) 6.8% Upper explosive limit (UEL) 8.0%
NFPA health rating 3 NFPA fire rating 3
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1090
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

0.5-4 L

Sampling flow rate (TWA)*

0.01-0.2 L/min

Sampling volume (STEL/Peak/C)*
 

3 L

Sampling flow rate (STEL/Peak/C)*
 

0.2 L/min

Analytical method instruments GC-FID
Method reference NIOSH 1011 (partially validated)
Notes
 

 

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
Device Detector tube Infrared spectrophotometer Organic vapor analyzer
Model/Type Gastec 136L; 136H; 136L Miran 1A & 1B
Sampling information
(see manufacturer instructions)
136LA 1-36 ppm; 136H 10-600 ppm; 136L 2.5-200 ppm 0.8 ppm@8 µm
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

200 ppm (890 mg/m³)

REL-TWA
 

200 ppm

TLV-TWA
 

5 ppm [1990]

PEL-TWA
 

5 ppm (22 mg/m³)

PEL-STEL
 

 

REL-STEL
 

250 ppm

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

Y

Skin notation
 

Y

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

2000 ppm

Carcinogenic classifications: IARC-3, TLV-A3 Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Last Updated Date : 12/28/2020