Agent Name

1,4-Naphthoquinone

CAS Number

130-15-4

Formula

C10-H6-O2

Major Category

Other Classes

Synonyms

1,4-Dihydro-1,4-diketonaphthalene; 1,4-Naftochinon [Czech]; 1,4-Naphthalenedione; 1,4-Naphthylquinone; alpha-Naphthoquinone; p-Naphthoquinone; [ChemIDplus] UN2811

Category

Other Aromatic Compounds

Description

Yellow solid with a pungent odor; [ICSC] "Begins to sublimes below 100 deg C." [Merck Index]

Sources/Uses

Used as a polymerization regulator, fungicide, algicide, and to make dyes and pharmaceuticals; [Hawley] Used as a chemical intermediate, corrosion inhibitor, and stabilizer for transformer oils; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; [ICSC] Very toxic after ingestion, inhalation, or skin contact; Effects on experimental animals include somnolence, weight loss, liver injury, methemoglobinemia, tumors, and reproductive changes; [MSDSonline]

Exposure Assessment
Vapor Pressure

0.00018 mm Hg

Lethal Concentration

LC50 (rat) = 46 mg/m3/4H

Explanatory Notes

LC50 from MSDSonline;

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Methemoglobinemia

Methemoglobinemia, Secondary

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
Processes

Industrial Processes with risk of exposure: