1,2-EPOXYETHYLBENZENE

Chemical Identification
Chemical Identification
CAS # 96-09-3
Formula
 

C₈H₈O

Synonyms
 

styrene oxide; phenethylene oxide; styrene epoxide

Physical Properties
Physical Properties
Physical description Clear colorless straw-colored liquid with a sweet pleasant odor.
Boiling point 381°F Molecular weight 120.15
Freezing point/melting point -35°F Vapor pressure 0.3 mmHg
Flash point 175°F Vapor density 4.14
Specific gravity 1.0523 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 1 NFPA fire rating 2
NFPA reactivity rating 0 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.)
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
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
 

 

TLV-TWA
 

 

PEL-TWA
 

 

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

NA

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: NTP-R, IARC-2A 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 - Styrene oxide

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

 

 

Last Updated Date : 12/14/2020