DIVINYL BENZENE
| CAS # | 1321-74-0 |
|---|---|
| Formula |
C₁₀H₁₀ |
| Synonyms |
diethenylbenzene; DVB; vinylstyrene [Note: Commercial product contains all 3 isomers, but m-isomer predominates. Usually contains an inhibitor to prevent polymerization. |
| 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 | |||
| 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 Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| 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
|
NOAA: CAMEO Chemicals - Divinyl benzene NIOSH: Pocket Guide to Chemical Hazards - Divinyl benzene Literature References
|
Last Updated Date : 12/28/2020