1-Methylnaphthalene

Agent Name
1-Methylnaphthalene
CAS Number
90-12-0
Formula
C11-H10
Major Category
Other Classes
1-Methylnaphthalene formula graphical representation
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."
Biomedical References
Search PubMed

Exposure Assessment

Skin Designation (ACGIH)
Yes
TLV (ACGIH)
0.5 ppm, TLV Surface Limit = 3 mg/100 cm2
Vapor Pressure
0.067 mm Hg
Odor Threshold Low
0.02 ppm
Explanatory Notes
Odor threshold = 0.02 ppm at 60 deg C (detection); [CHEMINFO] VP from ChemIDplus;
NFPA
must be preheated

Adverse Effects

ACGIH Carcinogen
Not Classifiable

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.