Preferred name | citral diethyl acetal |
Trivial Name | Citral diethyl acetal |
Short Description | 1,1-diethoxy-3,7-dimethyl-2,6-octadiene |
Formula | C14 H26 O2 |
CAS Number | 7492-66-2 |
FEMA Number | 2304 |
Flavis Number | 6.004 |
ECHA Number | 231-323-7 |
FDA UNII | R155R4727D |
MDL | MFCD00036575 |
COE Number | 38 |
xLogP3-AA | 4.20 (est) |
NMR Predictor | External link |
JECFA Food Flavoring | 948 citral diethyl acetal |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 7492-66-2 ; CITRAL DIETHYL ACETAL |
Synonyms |
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Google Scholar | Start search |
Google Books | Start search |
Google Patents | Start search |
Perfumer & Flavorists | Start search |
EU Patents | Start search |
PubMeb | Start search |
NCBI | Start search |
(IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
Videos: | The Periodic Table of Videos |
tgsc: | Atomic Weights use for this web site |
(IUPAC): | Periodic Table of the Elements |
FDA Substances Added to Food (formerly EAFUS): | View |
HMDB (The Human Metabolome Database): | HMDB40228 |
FooDB: | FDB019942 |
Export Tariff Code: | 2911.00.5000 |
ChemSpider: | View |
Material listed in food chemical codex | No |
Molecular weight | 226.35961914062 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 7.189 to 7.314 |
Refractive Index | 1.445 to 1.455 @ 20 °C |
Boiling Point | 140 to 142°C @ 15 mm Hg |
Acid Value | 2 max KOH/g |
Vapor Pressure | 0.005 mmHg @ 25 °C |
Flash Point TCC Value | 78.89 °C TCC |
logP (o/w) | 4.585 est |
Solubility | |
alcohol | Yes |
dipropylene glycol | Yes |
triethyl citrate | Yes |
water, 2.454 mg/L @ 25 °C (est) | Yes |
water | No |
Stability | |
alkalis | Unspecified |
bath foam | Unspecified |
fabric softener | Unspecified |
houshold cleaner | Unspecified |
soap | Unspecified |
Odor Type: Citrus | |
green, fresh, citrus, lemon peel, waxy, sweet, floral | |
Odor strength | medium |
Substantivity | 32 hour(s) at 100.00 % |
Luebke, William tgsc, (1987) | At 100.00 %. green fresh citrus lemon peel waxy |
Mosciano, Gerard P&F 17, No. 5, 127, (1992) | Sweet citrus, green, floral, waxy, lemon peel |
Flavor Type: Citrus | |
green, citrus, lemon, waxy | |
Mosciano, Gerard P&F 17, No. 5, 127, (1992) | At 10.00 ppm. Green, citrus lemon with a waxy nuance |
Applications | |
Odor purposes | Bergamot , Citronella , Citrus , Cologne , Eucalyptus oil replacer , Geranium , Grapefruit , Green , Lavender , Lemon , Lime , Magnolia , Mandarin , Orange , Rose , Verbena |
Other purposes | Peel |
Cosmetic purposes | Perfuming agents |
Preferred SDS: View | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
Flammable liquids (Category 4), H227 | |
GHS Label elements, including precautionary statements | |
Pictogram | ![]() |
Signal word | Warning |
Hazard statement(s) | |
H227 - Combustible liquid | |
Precautionary statement(s) | |
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264 - Wash skin thouroughly after handling. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. P403 + P235 - Store in a well-ventilated place. Keep cool. P501 - Dispose of contents/ container to an approved waste disposal plant. | |
Human Experience: | |
4 % solution: no irritation or sensitization. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 > 5000 mg/kg Food and Chemical Toxicology. Vol. 21, Pg. 677, 1983. | |
Dermal Toxicity: | |
skin-rabbit LD50 > 5000 mg/kg Food and Chemical Toxicology. Vol. 21, Pg. 677, 1983. | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
flavor and fragrance agents | |||
RIFM Fragrance Material Safety Assessment: Search | |||
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice | |||
Recommendation for citral diethyl acetal usage levels up to: | |||
5.0000 % in the fragrance concentrate. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 3.40 (μg/capita/day) | ||
Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.00 (μg/capita/day) | ||
Threshold of Concern: | 1800 (μg/person/day) | ||
Structure Class: | I | ||
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
publication number: 3 | |||
Click here to view publication 3 | |||
average usual ppm | average maximum ppm | ||
baked goods: | - | - | |
beverages(nonalcoholic): | - | 0.03000 | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | - | |
condiments / relishes: | - | 110.00000 | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | - | |
fruit ices: | - | - | |
gelatins / puddings: | - | - | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | - | 0.13000 | |
imitation dairy: | - | - | |
instant coffee / tea: | - | - | |
jams / jellies: | - | - | |
meat products: | - | - | |
milk products: | - | - | |
nut products: | - | - | |
other grains: | - | - | |
poultry: | - | - | |
processed fruits: | - | - | |
processed vegetables: | - | - | |
reconstituted vegetables: | - | - | |
seasonings / flavors: | - | - | |
snack foods: | - | - | |
soft candy: | - | - | |
soups: | - | - | |
sugar substitutes: | - | - | |
sweet sauces: | - | - |
European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 3 (FGE.03); Acetals of branched- and straight-chain aliphatic saturated primary alcohols and branched- and straight-chain saturated aldehydes, and a orthoester of formic acid, from chemical groups 1 and 2 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf |
Flavouring Group Evaluation 3, Revision 1 (FGE.03Rev1): Acetals of branched- and straight-chain aliphatic saturated primary alcohols and branched- and straight-chain saturated or unsaturated aldehydes, an ester of a hemiacetal and an orthoester of formic acid, from chemical groups 1, 2 & 4 Commission Regulation (EC) No 1565/2000 of 18 July 2000) [1] - Scientific Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)on a request from the Commission View page or View pdf |
Flavouring Group Evaluation 61, Revision 1 (FGE.61Rev1): Consideration of aliphatic acetals evaluated by JECFA (57th meeting) structurally related to acetals of branched- and straight-chain aliphatic saturated primary alcohols and branched- and straight-chain saturated aldehydes and one orthoester of formic acid evaluated View page or View pdf |
Flavouring Group Evaluation 202: 3-Alkylated aliphatic acyclic alpha,beta-unsaturated aldehydes and precursors with or without additional double bonds from chemical subgroup 1.1.3 of FGE.19[1] View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 3, Revision 2 (FGE.03Rev2): Acetals of branched- and straight-chain aliphatic saturated primary alcohols and branched- and straight-chain saturated or unsaturated aldehydes, an ester of a hemiacetal and an orthoester of formic acid, from chemical groups 1, 2 and 4 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 61 Revision 2 (FGE.61Rev2): consideration of aliphatic acetals evaluated by JECFA (57th, 63rd and 68th meetings) structurally related to acetals evaluated by EFSA in FGE.03Rev2 View page or View pdf |
EPI System: View |
Chemical Carcinogenesis Research Information System:Search |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):7492-66-2 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :24113 |
National Institute of Allergy and Infectious Diseases:Data |
WGK Germany:2 |
1,1-diethoxy-3,7-dimethylocta-2,6-diene |
Chemidplus:0007492662 |
EPA/NOAA CAMEO:hazardous materials |
RTECS:RG5080000 for cas# 7492-66-2 |