Agent Name

Hexaldehyde

Alternative Name

Hexanal

CAS Number

66-25-1

Formula

C6-H12-O

Major Category

Other Classes

Synonyms

Aldehyde C-6; C6 aldehyde; Caproaldehyde; Caproic aldehyde; Capronaldehyde; Hexanal (natural); Hexanaldehyde; Hexoic aldehyde; Hexylaldehyde; Kapronaldehyd [Czech]; n-Caproaldehyde; n-Caproic aldehyde; n-Capronaldehyde; n-Caproylaldehyde; n-Hexaldehyde; n-Hexanal; [ChemIDplus] UN1207

Category

Aldehydes

Description

Colorless liquid; [Hawley] Clear colorless liquid with an unpleasant odor; [MSDSonline]

Sources/Uses

Used as flavoring agent; to make plasticizers, rubber chemicals, dyes, synthetic resins, and insecticides; in perfumery (at low concentrations); [HSDB] Used in fruity flavors and perfumes; [Ullmann]

Comments

Category of C7-C9 aliphatic aldehydes and carboxylic acids: Members and supporting chemicals demonstrate low acute toxicity by oral, dermal, and inhalation exposures; toxicity in repeated-dose studies only at relatively high levels; no evidence of reproductive toxicity, developmental toxicity, or mutagenicity; [EPA ChAMP: Hazard Characterization] Auto-oxidizes and polymerizes (especially in presence of acid); [Merck Index] A skin, eye, nose, and throat irritant; [HSDB] Highly flammable and polymerizable; A skin and eye irritant; [CAMEO] A skin and eye irritant; [eChemPortal: ERMA] An irritant; Effects in high-dose animal studies include lacrimation; [MSDSonline]

Exposure Assessment
Vapor Pressure

11.3 mm Hg

Lethal Concentration

LCLo (rat) = 2,000 ppm/4h

Flammability (NFPA)

3: May ignite at ambient temperature

Links to Other NLM Databases
Health Studies

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