Agent Name

1-Methylnaphthalene

CAS Number

90-12-0

Formula

C11-H10

Major Category

Other Classes

Synonyms

1-Methylnaphthalene; Naphthalene, 1-methyl-; Naphthalene, alpha-methyl-; alpha-Methylnaphthalene; [ChemIDplus]

Category

Naphthalenes

Description

Colorless liquid (oil); [CHRIS]

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]

Comments

"There are no studies of humans exposed to 1-methylnaphthalene or 2-methylnaphthalene." [ATSDR ToxFAQs] Minimal Risk Level (oral chronic) = 0.7 mg/kg/day (Resp.); [ATSDR] 1-Methylnaphthalene (1-MN) and 2-Methylnaphthalene (2-MN) are respiratory tract irritants. [ACGIH] See "Naphthalene."

Reference Link

ATSDR - ToxFAQs: Naphthalene, 1-Methylnapthalene, 2-Methylnapthalene

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.5 ppm

Vapor Pressure

0.06 mm Hg

Odor Threshold Low

0.02 ppm

Explanatory Notes

Odor threshold = 0.02 ppm at 60 deg C (detection); [CHEMINFO]

Adverse Effects
ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.