CARBON TETRABROMIDE

Chemical Identification
CAS # 558-13-4
Formula

CBr₄

Synonyms

carbon bromide; methane tetrabromide; tetrabromomethane

Physical Properties
Physical description Colorless to yellow-brown crystals with a slight odor.
Boiling point 374°F Molecular weight 331.7
Freezing point/melting point 194°F Vapor pressure 40 mmHg at 205°F
Flash point Vapor density
Specific gravity 3.42 Ionization potential 10.31 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*
Sampling flow rate (TWA)*
Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments
Method reference
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
Model/Type
Sampling information
(see manufacturer instructions)
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 REL-TWA

0.1 ppm (1.4 mg/m³)

TLV-TWA

0.1 ppm [1972]

PEL-TWA

0.1 ppm (1.4 mg/m³)

PEL-STEL REL-STEL

0.3 ppm (4 mg/m³)

TLV-STEL

0.3 ppm [1972]

PEL-STEL

0.3 ppm (4 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Last Updated Date : 12/21/2020