SWCAA Pollutant Details

95-63-6: 1,2,4-TRIMETHYLBENZENE

  • ASYMMETRICAL TRIMETHYLBENZENE
  • PSEUDOCUMENE
  • TRIMETHYLBENZENE, 1,2,4-

IUPAC: 1,2,4-trimethylbenzene
InChi Key: GWHJZXXIDMPWGX-UHFFFAOYSA-N WEB


HAP:   NO
VOC:   YES
Criteria Pollutant:   NO
Particulate:   NO
Trace Element:   NO
98 ECY TAP:   YES
09 ECY TAP:   NO
19 ECY TAP:   YES
Chemical Formula:   C9H12
Element Count:   C9 H12
Molecular Weight:   120.192 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:  
EPA HAP Category:    
EPA HAP Group Category:  
EPA NEI Pollutant Code:  
EPA SRS ID:   16261  Web
EPA ATW FACT SHEET:   Web
EPA NEI COMPOUND ID:   E17001603
EPA Banned Substance:   NO
EPCRA 313 PBT:  
EPA Urban HAP:   NO
     

Boiling Point:   334.4 / 167.78 F/C
Melting Point:   -47.2 / -43.89 F/C
Specific Gravity:   0.889
Vapor Pressure:   2.1 mmHg@77F (25C)
Henry's Law Constant:   0.0057 atm-cu m/mole@25C (77F)
Convert ppm to mg/m3:   4.915
Log Pow:   3.63

Regulated Under These Programs

NIOSH OSHA ACGIH OEHHA
EPA IRIS ATSDR EPA ATW TSCA 2019
CAL TOXIC NEW JERSEY TRI 2014 DFG

SWCAA / WAC 173-460 (1998) TOXIC LIMITS
ASIL SQER TAP
Class
24hr ug/m3 Annual ug/m3 lbs/yr lbs/hr
420 43,748 5.0  B
WAC 173-460 (2009) TOXIC LIMITS
 
ASIL ug/m3 SQER lbs/ Deminimus lbs/ Average Period
       

WAC 173-460 (2019) TOXIC LIMITS
 
ASIL ug/m3 SQER lbs/ Deminimus lbs/ Average Period
60  4.4  0.22  24 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: 2716 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:  700  ug/m3
Basis:  Odor  
 
Long Term ESL:  125  ug/m3
Basis:  Health  

ACGIH Threshold Limit Values (TLV) Web
2008 ACGIH TLV TWA:  125  mg/m3
2008 ACGIH STEL:   
2008 ACGIH Carcinogen Class:   
ATSDR Minimal Risk Levels (MRL) Web
ATSDR GMMC AIR:  0.01235628  mg/m3
 ATSDR Chronic MRL:  
 ATSDR Acute MRL:  
 ATSDR Interrim MRL:  
 ATSDR Carcinogenicity Class:  

NIOSH Recommended Exposure Limits (REL) Web
NIOSH RTECS No:  DC3325000  
NIOSH ICSC No:  1433  Web
NIOSH REL TWA:  125  mg/m3
NIOSH STEL:   
NIOSH IDLH:   
OEHHA Category Group Ref Exposure Levels (REL) Web
OEHHA Acute REL:   
OEHHA Chronic REL:   
OEHHA URF (cancer):   per ug/m3
   

OSHA Permissible Exposure Limits (PEL) Web
OSHA PEL TWA:   
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.

Southwest Clean Air Agency © 2024