| Agent Name |
Paraldehyde |
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| CAS Number |
123-63-7 |
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| Formula |
C6-H12-O3 |
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| Major Category |
Other Classes |
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| 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 |
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| Category |
Aldehydes |
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| Description |
Colorless liquid with a pleasant odor; Decomposes on standing; Soluble in water; [Hawley] |
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| 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] |
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| 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] |
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| Exposure Assessment |
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| Vapor Pressure |
11 mm Hg |
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| Lethal Concentration |
LCLo (rats) = 4,000 ppm/4h |
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| Flammability (NFPA) |
3: may ignite at ambient temperature |
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| Adverse Effects |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: PARALDEHYDE
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