Methyl Bromide
CAS Number
74-83-9Synonym
AI3-01916; Bercema; Tri-Brom; Bromomethane; Brom-O-Sol; Caswell No. 555; Curafume; EDCO; Embafume; Brom-O-Gas methyl bromide soil fumigant; Haltox; Iscobrome; Kayafume; MB; MBC Soil Fumigant; MBX; MEBR; Metabrom; Meth-O-Gas; Methogas; Superior methyl bromide-2; Methyl fume; Monobromomethane; Pestmaster; Rotox; Terabol; Terr-O-Gas; Zytox
Occurrence/Use
Methylating agent; solvent to extract oil from seeds and wool. Formerly used as fumigant and soil sterilant until it was phased out of use in the US in 2005, pursuant to the Montreal Protocol.
Cancer Potency Information
| Latest Criteria: | Proposition 65 NSRLs/MADLs |
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Air
Acute RELs
| Acute REL (μg/m3): | 3900 |
|---|---|
| Species: | Human |
| Acute REL Toxicologic Endpoint: | Anorexia, nausea, headache, respiratory irritation; reproductive/ development (decreased fertility and delayed skull ossification in rats) |
| Acute REL Target Organs: | Central nervous system; respiratory system; reproductive/developmental |
| 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): | 5 |
|---|---|
| Chronic Target Organs: | Respiratory system; nervous system; development |
| Human Data: | No |
| 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
MADL w/ File
Chemical Status
| Reproductive Toxicity : | Currently listed |
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Reproductive Toxicity
| Listed as causing: | Developmental Toxicity | Developmental Toxicity |
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| Date of Listing: | |
| Basis for Listing : | Formally Required |
Safe Harbor Levels
| Reproductive Toxicity | |
| Maximum Allowable Dose Level (MADL) - Inhalation: | 810 µg/day |
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| Last NSRL/MADL Revision: | 2004 |
Documents, Presentations, and Publications
| Reproductive Toxicity: |
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