paraldehyde
2,4,6-trimethyl-1,3,5-trioxane
Identification
| Name | paraldehyde |
| IUPAC | 2,4,6-trimethyl-1,3,5-trioxane |
| CAS Number | 123-63-7 |
| EINECS | 204-639-8 |
| FDA UNII | S6M3YBG8QA |
| Molecular Formula | C6 H12 O3 |
| Molecular Weight | 132.15924000 |
| MDL Number | MFCD00036208 |
| Nikkaji Number | J5.543C |
| Beilstein | 0080142 |
| CoE Number | 594 |
| XlogP3 | 0.70 (est) |
Regulatory
| DG SANTE Food Flavourings | 05.053 2,4,6-trimethyl-1,3,5-trioxane |
| FEMA Number | 4010 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 123-63-7 ; PARALDEHYDE |
| FDA Regulation | FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS |
Physical Properties
| Appearance | colorless clear liquid (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.99400 @ 25.00 °C. |
| Refractive Index | 1.40500 @ 20.00 °C. |
| Melting Point | 11.00 to 13.00 °C. @ 760.00 mm Hg |
| Boiling Point | 123.00 to 124.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 15.693000 mmHg @ 25.00 °C. (est) |
| Vapor Density | 4.57 ( Air = 1 ) |
| Flash Point | 75.00 °F. TCC ( 23.89 °C. ) |
| logP (o/w) | 0.670 |
| Shelf Life | 12.00 month(s) or longer if stored properly. |
| Storage | store under nitrogen., refrigerate in tightly sealed containers. store under nitrogen. |
| Soluble in | alcohol |
Organoleptic Properties
| Odor Description |
at 0.10 % in propylene glycol. Strong, warm, sweet
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | oral-mouse LD50 2750 mg/kg |
| Dermal Toxicity | subcutaneous-rat LDLo 1650 mg/kg |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | food contact phenolic resins in molded articles |
| Recommendation for paraldehyde usage levels up to | not for fragrance use. |
| baked goods | 80.00000 |
| beverages(nonalcoholic) | 3.00000 |
| beverages(alcoholic) | 15.00000 |
| breakfast cereal | 3.00000 |
| cheese | - |
| chewing gum | 80.00000 |
| condiments / relishes | - |
| confectionery froastings | 15.00000 |
| egg products | 15.00000 |
| fats / oils | 15.00000 |
| fish products | - |
| frozen dairy | 10.00000 |
| fruit ices | 8.00000 |
| gelatins / puddings | 10.00000 |
| granulated sugar | - |
| gravies | - |
| hard candy | 20.00000 |
| imitation dairy | - |
| instant coffee / tea | 5.00000 |
| jams / jellies | - |
| meat products | - |
| milk products | 5.00000 |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | 15.00000 |
| snack foods | - |
| soft candy | 20.00000 |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Potential Uses
Natural Occurrence
Synonyms
p-
acetaldehyde
para-
acetaldehyde
acetaldehyde trimer
acetaldehyde, trimer
aldehyde (para)
elaldehyde
paral
S-
trimethyl trioxymethylene
2,4,6-
trimethyl-1,3,5-trioxacyclohexane
2,6-
trimethyl-1,3,5-trioxacyclohexane
2,4,6-
trimethyl-1,3,5-trioxane
2,6-
trimethyl-1,3,5-trioxane
1,3,5-
trimethyl-2,4,6-trioxane
1,5-
trimethyl-2,4,6-trioxane
2,4,6-
trimethyl-s-trioxane
S-
trimethyltrioxymethylene
2,6-
trimetil-1,3,5-triossano
1,3,5-
trioxane, 2,4,6-trimethyl-
1,5-
trioxane, 2,4,6-trimethyl-
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