Agent Name

Paraldehyde

CAS Number

123-63-7

Formula

C6-H12-O3

Major Category

Other Classes

Synonyms

1,3,5-Trimethyl-2,4,6-trioxane; 1,3,5-Trioxane, 2,4,6-trimethyl-; 2,4,6-Trimethyl-1,3,5-trioxaan [Dutch]; 2,4,6-Trimethyl-1,3,5-trioxacyclohexane; 2,4,6-Trimethyl-1,3,5-trioxane; 2,4,6-Trimethyl-s-trioxane; 2,4,6-Trimetil-1,3,5-triossano; 2,4,6-Trimetil-1,3,5-triossano [Italian]; Acetaldehyde, trimer; Elaldehyde; Paracetaldehyde; Paral; Paraldehyd [German]; Paraldehyde Draught (BPC 1973); Paraldehyde Enema (BPC 1973); Paraldeide [Italian]; Triacetaldehyde [French]; p-Acetaldehyde; s-Trimethyltrioxymethylene; [ChemIDplus] UN1264

Category

Aldehydes

Description

Colorless liquid with a pleasant odor; Decomposes on standing; Soluble in water; [Hawley]

Sources/Uses

Used as a substitute for acetaldehyde, an intermediate for dyes and other organic compounds, a solvent (fats, oils, waxes, gums, and resins), a rubber accelerator, and a medication (anticonvulsant and sedative); [HSDB] No longer prescribed as a medication; Was used as a motor fuel from 1939-1945; [Ullmann]

Comments

A skin, eye, and respiratory tract irritant; Causes sedation and respiratory depression when ingested; May cause injury to the liver and kidneys; [ICSC] A severe eye irritant; Targets CNS, heart, lungs, liver, and kidneys; [MSDSonline]

Exposure Assessment
Vapor Pressure

11 mm Hg

Lethal Concentration

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

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Health Studies

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Toxicity Information

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