DIVINYL BENZENE

Chemical Identification
Chemical Identification
CAS # 1321-74-0
Formula

C₁₀H₁₀

Synonyms

diethylbenzene; DVB; vinylstyrene [Note: Commercial product contains all 3 isomers, but m-isomer predominates. Usually contains an inhibitor to prevent polymerization.]

Physical Properties
Physical Properties
Physical description Pale, straw-colored liquid.
Boiling point 392°F Molecular weight 130.2
Freezing point/melting point -125°F Vapor pressure 0.7 mmHg
Flash point 169°F (open cup) Vapor density
Specific gravity 0.93 Ionization potential
Lower explosive limit (LEL) 1.1% Upper explosive limit (UEL) 6.2%
NFPA health rating 1 NFPA fire rating 2
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) V119
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) coated with 10% t-butylcatechol [SKC 226-73]
Sampling time*

240 min

Sampling volume (TWA)*

12 L

Sampling flow rate (TWA)*

0.05 L/min

Sampling volume (STEL/Peak/C)*

0.75 L

Sampling flow rate (STEL/Peak/C)*

0.05 L/min

Analytical method instruments GC-FID
Method reference OSHA 89 (fully 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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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

10 ppm (50 mg/m³)

TLV-TWA

10 ppm [1990]

PEL-TWA

10 ppm (50 mg/m³)

PEL-STEL REL-STEL TLV-STEL PEL-STEL
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:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Divinyl benzene

NIOSH: Pocket Guide to Chemical Hazards - Divinyl benzene

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Divinyl benzene. See annual publication for most recent information.

Last Updated Date : 12/28/2020