Toluene

CAS Number

108-88-3

Synonym

Antisal 1A; Anisen; Caswell No. 859; CP 25; Methacide; Methylbenzene; Methylbenzol; NCI-C07272; Phenylmethane; Toluol

Occurrence/Use

Solvent, jet fuel component and gasoline additive, cement for polystyrene kits; production of polymers; chemical intermediate (benzene dealkylation); component of car exhaust and tobacco smoke

Toluene

Soil Screening

Last CHHSL revision: 1/2005
CHHSL Comments:

For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm

Cancer Potency Information

Latest Criteria: Chronic Reference Exposure Levels

Air

Acute RELs

Acute REL (μg/m3): 5000
Species: Human
Acute REL Toxicologic Endpoint: Headache, dizziness, slight eye and nose irritation
Acute REL Target Organs: Nervous system; eyes; respiratory system
Last Acute REL Revision: 2020
Acute Reference Exposure Levels Comments:

Notice of Adoption of Reference Exposure Levels for Toluene

8-Hour RELs

8-Hour Inhalation REL (μg/m3): 830
Last 8-Hour REL Revision: August, 2020
8-Hour Reference Exposure Levels Comments:

Notice of Adoption of Reference Exposure Levels for Toluene

Chronic REL

Chronic Inhalation REL (μg/m3): 420
Chronic Target Organs: Acquired color vision impairment (dyschromatopsia)
Human Data: Yes
Last Chronic REL Revision: 2020
Chronic Reference Exposure Levels Comments:

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3

 

Proposition 65

Chemical Status

Reproductive Toxicity : Currently listed

Reproductive Toxicity

Date of Listing
Listed as causing: Developmental Toxicity
Developmental Toxicity
Date of Listing:
Basis for Listing : State's Qualified Experts
Female Reproductive Toxicity
Date of Delisting:
Basis for Listing: Labor Code

Safe Harbor Levels

Reproductive Toxicity
Maximum Allowable Dose Level (MADL) - Inhalation: 13000 µg/day
Maximum Allowable Dose Level (MADL) - Oral: 7000 µg/day

Comments

Female reproductive toxicity endpoint removed from listing for toluene effective March 7, 2014.

Public notices related to this chemical

Water

California Public Health Goals Data

Health Risk Category: Hepatotoxicity (liver), endocrine toxicity (thymus)
Public Health Goal (mg/L): 0.15
Public Health Goal - Download: toluf.pdf
Cancer Risk at PHG: n/a
MCL value (mg/L): 0.15
Cancer Risk at MCL: n/a
Last PHG Revision : 1999
California PHG Comments: OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports