Flavor ingredient regulatory record
Acetaldehyde 1,3-octadiol acetal
Acetaldehyde 1,3-octadiol acetal is an acetal in the fruity family, FEMA GRAS under FEMA number 4376 (CAS 202188-43-0). Its odor is sweet, fruity, floral, estery, green.
- FEMA
- 4376
- CAS
- 202188-43-0
- JECFA
- 1749
- Formula
- C10H20O2
GRAS status: FEMA GRAS, publication 23. Recorded by FDA in the Substances Added to Food inventory under CAS 202188-43-0.
Structure
Identity
Also known as: 1,3-Dioxane, 2-methyl-4-pentyl-, 2-Methyl-4-pentyl-1,3-dioxane, 2-methyl-4-pentyl-1,3-dioxane, acetaldehyde 1,3-octanediol acetal, 1,3-dioxane, 2-methyl-4-pentyl-, acetaldehyde 1,3-octanediol acetal [fifh], acetaldehyde 1,3-octanediol acetal [fhfi], acetaldehyde 1,3-octanediol acetal (fifh), acetaldehyde 1,3-octane diol acetal, (+-)-acetaldehyde 1,3-octanediol acetal, acetaldehyde 1,3-octanediol acetal, (+-)-, (+/-)-acetaldehyde 1,3-octanediol acetal.
Can Acetaldehyde 1,3-octadiol acetal be labeled natural?
Nature occurrence: Not yet found in nature (provisional).
Nature occurrence has not been settled for this substance, so the natural or artificial class is not stated here. The FEMA GRAS status does not depend on it.
Regulatory status, with citations
United States
Acetaldehyde 1,3-octadiol acetal is FEMA GRAS under FEMA number 4376. It is cited in the Code of Federal Regulations at 21 CFR 172.515.
European Union and United Kingdom
No EU FL number is on file for Acetaldehyde 1,3-octadiol acetal. That is not a finding either way. The Union List covers defined flavouring substances, so natural complex materials are handled as flavouring preparations under Parts B to F and never receive a number, and substances used as additives sit under Regulation 1333/2008 instead. Confirm the position before EU or UK use.
JECFA (WHO / FAO)
JECFA number 1749.
Other US flags
Not on the California Proposition 65 list. Listed on the EPA TSCA inventory.
Odor and taste
Odor: Sweet, fruity, floral, estery, green.
Where it is used
Acetaldehyde 1,3-octadiol acetal is used in beverage, confection, fruit flavors, bakery and dairy, typically as a fruity note.
Structurally similar flavor ingredients
Flavor ingredients with a GRAS determination closest to Acetaldehyde 1,3-octadiol acetal by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.
| Material | FEMA | Similarity | Occurrence |
|---|---|---|---|
| Heptanal propyleneglycol acetal | 4368 | 89% | Not determined |
| Hexanal butane-2,3-diol acetal | 4384 | 89% | Not determined |
| delta-Decalactone | 2361 | 79% | In nature |
| 2-Nonanone propyleneglycol acetal | 4399 | 73% | In nature |
| 5-Hydroxyundecanoic acid lactone | 3294 | 72% | In nature |
More acetals in this index
Hexanal butane-2,3-diol acetal · Acetaldehyde di-cis-3-hexenyl acetal · Acetaldehyde butyl phenethyl acetal · Acetaldehyde diisoamyl acetal · Hydroxycitronellal dimethyl acetal · Vanillin erythro- & threo-butan-2,3-diol acetal
Acetaldehyde 1,3-octadiol acetal FAQ
Is acetaldehyde 1,3-octadiol acetal on the FEMA GRAS list?
It is. FEMA number 4376 covers acetaldehyde 1,3-octadiol acetal. It is also codified at 21 CFR 172.515.
What is the FEMA number for acetaldehyde 1,3-octadiol acetal?
The FEMA number for acetaldehyde 1,3-octadiol acetal is 4376 and its CAS registry number is 202188-43-0. FEMA files it in the fruity flavor category.
Is acetaldehyde 1,3-octadiol acetal approved in the EU?
No EU FL number is on file for acetaldehyde 1,3-octadiol acetal. It has a JECFA evaluation (JECFA 1749), which the EU list draws on, but the Union List entry itself should be confirmed before EU use.
Has JECFA evaluated acetaldehyde 1,3-octadiol acetal?
Yes. JECFA number 1749.
What is acetaldehyde 1,3-octadiol acetal used for?
Acetaldehyde 1,3-octadiol acetal is described as sweet, fruity, floral, estery, green. It shows up in beverage, confection, fruit flavors, bakery and dairy.
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Sources and attribution. The identity and regulatory facts on this page are taken from the FDA Substances Added to Food inventory, a US government record, which lists this substance as ACETALDEHYDE 1,3-OCTANEDIOL ACETAL under CAS 202188-43-0 and carries its FEMA number, its JECFA flavor number. The inventory is searchable at FDA. FDA records its technical effect as flavoring agent or adjuvant.
A FEMA GRAS conclusion is reached by the Expert Panel of the Flavor and Extract Manufacturers Association of the United States, and the FEMA number names that conclusion. FEMA publishes its own entry for this substance in the FEMA Flavor Library, which is the authoritative record of what the Panel decided and is worth reading alongside this page.
Ambrose Compliance is not affiliated with, endorsed by, or sponsored by FEMA. FEMA and FEMA GRAS are used here as identifiers for a published regulatory determination, not as marks of any relationship between FEMA and Ambrose.
About this page. Facts come from the FDA Substances Added to Food inventory, the Code of Federal Regulations, the EPA TSCA Inventory, the EU Union List, JECFA and the Ambrose database, with FEMA's published determination cited where it applies; parts of the text are written by Ambrose AI, which can make mistakes. Check the cited source before relying on anything here. This is not regulatory or legal advice.