Xylenes (technical mixture of m, o, p-isomers)
CAS Number
1330-20-7Synonym
Technical mixture of o-xylene (95-47-6), m-xylene (108-38-3), and p-xylene (106-42-3) isomers; Dimethylbenzenes; Xylols; 1,2-Dimethylbenzene, 1,3-Dimethylbenzene, 1,4-Dimethylbenzene
Occurrence/Use
Solvent for paints, varnishes, inks, dyes, adhesives, pharmaceuticals, detergents, and rubber; production of polymer fiber (mylar and dacron); component of gasoline and fuel oils; component of tobacco smoke (m-,p-)
Cancer Potency Information
| Latest Criteria: | Chronic Reference Exposure Levels |
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Air
Acute RELs
| Acute REL (μg/m3): | 22000 |
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| Species: | Human |
| Acute REL Toxicologic Endpoint: | Central nervous system impairment, respiratory and eye irritation |
| Acute REL Target Organs: | Nervous system, respiratory system, eyes |
| Severity: | Mild |
| Last Acute REL Revision: | 1999 |
| Acute Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2. |
Chronic REL
| Chronic Inhalation REL (μg/m3): | 700 |
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| Chronic Target Organs: | Nervous system, respiratory system, eyes |
| Human Data: | Yes |
| Last Chronic REL Revision: | 2000 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3
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Proposition 65
Chemical Status
| Reproductive Toxicity : | Considered, but not listed |
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Documents, Presentations, and Publications
| Reproductive Toxicity: |
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Public notices related to this chemical
- Availability of Hazard Identification Materials for Methyl Isocyanate and Announcement of the October 21, 2010 Developmental and Reproductive Toxicant Identification Committee Meeting
- Prioritization - Chemicals Identified for Consultation with the Proposition 65 Developmental and Reproductive Toxicant Identification Committee: Benzo[a]pyrene, Deltamethrin, Methyl parathion, Uranium and Xylene
- Chemicals Selected by OEHHA for Consideration for Listing by the Developmental and Reproductive Toxicant Identification Committee and Request for Relevant Information on the Reproductive Toxicity Hazards of Deltamethrin and Xylene
- Availability of Hazard Identification Document for Xylene
Meetings
Water
California Public Health Goals Data
| Public Health Goal (mg/L): | 1.8 |
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| Public Health Goal - Download: | xylenc.pdf |
| MCL value (mg/L): | 1.75 |
| Last PHG Revision : | 12/1977 |