Agent Name

2-Undecanone

Alternative Name

Methyl nonyl ketone

CAS Number

112-12-9

Formula

C11-H22-O

Major Category

Solvents

Synonyms

Methyl nonyl ketone; 2-Hendecanone; 2-Oxoundecane; 2-Undecanone (natural); Ketone, methyl nonyl; METHYL N-NONYL KETONE; MGK Dog and Cat Repellent; Methyl n-nonyl ketone; MNK; Nonyl methyl ketone; Rue ketone; Undecan-2-one; [ChemIDplus]

Category

Ketones (<C12)

Description

Colorless, oily liquid; [HSDB] Colorless liquid; mp = 11-13 deg C; [MSDSonline]

Sources/Uses

Used as a solvent in the production of vinyl resins, nitrocellulose, and synthetic rubber; as a flavoring agent; as a dog and cat repellent; [HSDB] Used to make some synthetic essential oils and as a fragrance in soaps, detergents, creams, lotions, and perfumes; [Merck Index] Used as a dog/cat repellent and iris borer deterrent; [Reference #1]

Comments

Slightly toxic in animal studies; NOEL = 300 mg/kg/day; [Reference #1] Causes coma in inhalation studies of guinea pigs with a TCLo = 6900 mg/m3/12H; [RTECS] May cause irritation; [MSDSonline]

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Vapor Pressure

0.04 mm Hg

Flammability (NFPA)

2: High ambient temperature required

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: