| Agent Name |
1-Methylnaphthalene |
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| CAS Number |
90-12-0 |
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| Formula |
C11-H10 |
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| Major Category |
Other Chemicals |
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| Synonyms |
1-Methylnaphthalene; Naphthalene, 1-methyl-; Naphthalene, alpha-methyl-; alpha-Methylnaphthalene; [ChemIDplus] |
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| Category |
Hydrocarbons, Aromatics |
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| Description |
Colorless liquid (oil); [CHRIS] |
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| Sources/Uses |
Produced from coal tar and used to make dyes and resins; Used as a solvent for pesticides; Present in asphalt and smoke from burning cigarettes and wood; [ACGIH] |
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| Comments |
"There are no studies of humans exposed to 1-methylnaphthalene or 2-methylnaphthalene." [ATSDR ToxFAQs] 1-Methylnaphthalene (1-MN) and 2-Methylnaphthalene (2-MN) are respiratory tract irritants. [ACGIH] See "Naphthalene." |
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| Reference Link |
ATSDR - ToxFAQs�: Naphthalene, 1-Methylnapthalene, 2-Methylnapthalene |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
0.5 ppm |
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| Vapor Pressure |
0.06 mm Hg |
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| Odor Threshold Low |
0.02 ppm |
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| Explanatory Notes |
Odor threshold = 0.02 ppm at 60 deg C (detection); [CHEMINFO] |
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| Flammability (NFPA) |
1: must be preheated |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 1-METHYLNAPHTHALENE
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