7446-09-5: SULFUR DIOXIDE
- SULFUROUS ANHYDRIDE
- SULFUROUS OXIDE
IUPAC: sulfur dioxide
InChi Key: RAHZWNYVWXNFOC-UHFFFAOYSA-N WEB
| HAP: |
|
NO |
| VOC: |
|
NO |
| Criteria Pollutant: |
|
YES |
| Particulate: |
|
NO |
| Trace Element: |
|
NO |
| 98 ECY TAP: |
|
NO |
| 09 ECY TAP: |
|
YES |
| 19 ECY TAP: |
|
YES |
| Chemical Formula: |
|
SO2 |
| Element Count: |
|
S O2 |
| Molecular Weight: |
|
64.064 g/mol |
|
| GHG-EPA: |
|
NO |
| GHG-WA state: |
|
NO |
| CO2 Equivalent: |
|
|
| PM Precursor: |
|
|
| Ozone (O3) Precursor: |
|
|
| Ozone Depleting: |
|
|
| Ozone Depletion Potential: |
|
|
| Lifetime in Years: |
|
|
| Marijuana Pollutant: |
|
NO |
| ECY PBT: |
|
|
|
| SWCAA TAP Category: |
|
REVIEW |
| EPA HAP Category: |
|
|
| EPA HAP Group Category: |
|
|
| EPA NEI Pollutant Code: |
|
SO2 |
| EPA SRS ID: |
|
150367
Web |
| EPA ATW FACT SHEET: |
|
Web |
| EPA NEI COMPOUND ID: |
|
E17001736 |
| EPA Banned Substance: |
|
NO |
| EPCRA 313 PBT: |
|
|
| EPA Urban HAP: |
|
NO |
| |
|
|
|
| Boiling Point: |
|
14 / -10.00 F/C |
| Melting Point: |
|
-98.9 / -72.78 F/C |
| Specific Gravity: |
|
1.434 |
| Vapor Pressure: |
|
3000 mmHg@77F (25C) |
| Henry's Law Constant: |
|
|
| Convert ppm to mg/m3: |
|
2.618 |
| Log Pow: |
|
|
Regulated Under These Programs
SWCAA / WAC 173-460 (1998) TOXIC
LIMITS
| ASIL |
SQER |
TAP
Class |
| 24hr ug/m3 |
Annual ug/m3 |
lbs/yr |
lbs/hr |
|
|
|
|
|
WAC 173-460 (2009) TOXIC
LIMITS
| |
| ASIL ug/m3 |
SQER lbs/ |
Deminimus lbs/ |
Average Period |
| 26.7 |
0.146 |
0.0073 |
1 HR |
WAC 173-460 (2019) TOXIC
LIMITS
| |
| ASIL ug/m3 |
SQER lbs/ |
Deminimus lbs/ |
Average Period |
| 660 |
1.2 |
0.46 |
1 HR |
IRIS EPA Integrated Risk Information System (IRIS)
Web
| IRIS INH REF CONC (non cancer): |
|
|
| IRIS URF (cancer): |
|
per ug/m3 |
| |
|
|
| IRIS WOE Cancer Class: |
|
|
Oregon Department of Environmental Quality
Web
| Ambient Benchmark Concentration: |
New Jersey Department of Health
Web
| Right To Know Code: 1759 Web |
Idaho Occupational Exposure Limits
(OEL)
Web
| IDAHO DEQ Type: |
|
|
| IDAHO OEL (non-cancer): |
|
mg/m3 |
| IDAHO ACC (non-cancer): |
|
mg/m3 |
| IDAHO DEQ Emission Level: |
|
lb/hr |
| IDAHO DEQ URF (cancer): |
|
per ug/m3 |
| IDAHO AACC (cancer): |
|
ug/m3 |
Texas Effects Screening Levels
(ESL)
Web
| Short Term ESL: |
must meet NAAQS |
ug/m3 |
| Basis: |
Health |
|
| |
| Long Term ESL: |
-- |
ug/m3 |
| Basis: |
-- |
|
ACGIH Threshold Limit Values
(TLV)
Web
| 2008 ACGIH TLV TWA: |
2 |
ppm |
| 2008 ACGIH STEL: |
5 |
ppm |
| 2008 ACGIH Carcinogen Class: |
|
|
ATSDR Minimal Risk Levels
(MRL)
Web
| ATSDR GMMC AIR: |
0.6333656 |
mg/m3 |
| ATSDR Chronic MRL: |
|
|
| ATSDR Acute MRL: |
0.01 |
ppm |
| ATSDR Interrim MRL: |
|
|
| ATSDR Carcinogenicity Class: |
3 |
|
NIOSH Recommended Exposure Limits
(REL)
Web
| NIOSH RTECS No: |
WS4550000 |
|
| NIOSH ICSC No: |
0074 |
Web |
| NIOSH REL TWA: |
2 |
ppm |
| NIOSH STEL: |
5 |
ppm |
| NIOSH IDLH: |
100 |
ppm |
OEHHA Category Group Ref Exposure Levels
(REL)
Web
| OEHHA Acute REL: |
660 |
ug/m3 |
| OEHHA Chronic REL: |
|
|
| OEHHA URF (cancer): |
|
per ug/m3 |
| |
|
|
OSHA Permissible Exposure Limits
(PEL)
Web
| OSHA PEL TWA: |
|
ppm |
| OSHA STEL: |
|
|
DFG German Research Foundation
(MAK)
Web
| Carcinogen and Mutagen
Categories: |
| DFG MAK: |
|
cancer |
| DFG BAT: |
|
mutagen |
DISCLAIMER: The SWCAA Pollutants Detail Page reports values from other authorized
sources such as IRIS or NIOSH. These sources are frequently updated with the results of more current
studies. To ensure you have the most current values please visit the appropriate agency Website.
Click on the Web link to visit the Web site for that agency.
