Preferred name | melon heptenal |
Trivial Name | (±)-2,6-Dimethyl-5-heptenal |
Formula | C9 H16 O |
CAS Number | 106-72-9 |
Deleted CAS Number | 77787-60-1 |
FEMA Number | 2389 |
Flavis Number | 5.074 |
ECHA Number | 203-427-2 |
FDA UNII | Z331YX9EL9 |
Nikkaji Number | J110.527B |
Beilstein Number | 1745855 |
MDL | MFCD00006981 |
COE Number | 2006 |
xLogP3-AA | 2.50 (est) |
Bio Activity Summary | External link |
NMR Predictor | External link |
JECFA Food Flavoring | 349 2,6-dimethyl-5-heptenal |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 106-72-9 ; 2,6-DIMETHYL-5-HEPTENAL |
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 |
2,6-dimethylhept-5-enal | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 106-72-9 |
Pubchem (cid): | 61016 |
Pubchem (sid): | 135018293 |
Flavornet: | 106-72-9 |
Pherobase: | View |
(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 |
CHEMBL: | View |
HMDB (The Human Metabolome Database): | Search |
FooDB: | FDB008531 |
Export Tariff Code: | 2912.19.5000 |
Typical G.C. | |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Material listed in food chemical codex | Yes |
Molecular weight | 140.2257232666 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 6.981 to 7.073 |
Refractive Index | 1.439 to 1.449 @ 20 °C |
Boiling Point | 116 to 124°C @ 100 mm Hg |
Acid Value | 5 max KOH/g |
Vapor Pressure | 0.622 mmHg @ 25 °C |
Vapor Density | 1 |
Flash Point TCC Value | 61 °C TCC |
logP (o/w) | 2.775 est |
Shelf life | 12 months (or longer if stored properly.) |
Storage notes | Store in cool, dry place in tightly sealed containers, protected from heat and light. store under nitrogen. |
Solubility | |
alcohol | Yes |
paraffin oil | Yes |
water, 212 mg/L @ 25 °C (est) | Yes |
water | No |
Stability | |
candle | Good |
toiletry | Good |
ph = 2 poor | Unspecified |
ph = 10 | Moderate |
powder detergent | Moderate |
soap | Moderate |
antiperspirant spray | Poor |
liquid bleach | Poor |
Odor Type: Melon | |
fresh, ozone, melon, watermelon, sweet, clean, green, oily, watermelon rind, floral | |
Odor strength | high , recommend smelling in a 1.00 % solution or less |
Substantivity | 144 hour(s) at 100.00 % |
Luebke, William tgsc, (1989) | At 1.00 % in dipropylene glycol. fresh ozone melon fresh air sweet clean green |
Mosciano, Gerard P&F 17, No. 5, 127, (1992) | Green, sweet, oily, melon watermelon rind-like, with a floral nuance |
Flavor Type: Green | |
green, melon, watermelon rind, cucumber, waxy, chemical, floral | |
Mosciano, Gerard P&F 17, No. 5, 127, (1992) | At 50.00 ppm. Green, melon watermelon-rind, cucumber, with a waxy, chemical and floral nuance |
A must for juicy watermelon type flavors. Can also be used to add freshness to green apple and backnotes to lemon/lime flavors. | Characteristic watermelon, slightly cucumber |
Useful in: savory vegetable, fruity citrus, fruity red, fruity yellow, fruity tropical, fruity others. | Fresh, watery, green, fruity, melon, cucumber |
General comment | Green, melon, watermelon, cucumber, waxy, chemical and floral notes |
(data available) |
Applications | |
Odor purposes | Agrumen aldehyde , Aldehydic , Algae , Apple red apple , Boxwood , Bramble arctic bramble blackberry , Cilantro , Citrus , Cologne , Cucumber , Dogwood , Fern , Florida breeze , Forest , Fresh outdoors , Galbanum , Gooseberry , Grapefruit , Green , Herbal , Hibiscus , Honeydew , Kiwi , Kiwi blossom , Lemon , Mango , Mango flower , Melon , New car , Ocean sea , Sea breeze , Peach , Sea breeze , Spring rain , Strawberry |
Flavoring purposes | Cilantro , Fish , Fruit tropical fruit , Pear prickly pear , Tropical , Vegetable |
Other purposes | Blossom tropical blossom , Clean , Exotic , Fantasy blends , Ozone , Rose wild rose , Watery |
Cosmetic purposes | Perfuming agents |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
Xi - Irritant | |
R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
Flammable liquids (Category 4), H227 Skin irritation (Category 2), H315 Eye irritation (Category 2A), H319 Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335 | |
GHS Label elements, including precautionary statements | |
Pictogram | ![]() |
Signal word | Warning |
Hazard statement(s) | |
H227 - Combustible liquid H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation | |
Precautionary statement(s) | |
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. P264 - Wash skin thouroughly after handling. P271 - Use only outdoors or in a well-ventilated area. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P302 + P352 - IF ON SKIN: wash with plenty of soap and water. P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312 - Call a POISON CENTER or doctor/physician if you feel unwell. P321 - Specific treatment (see supplemental first aid instructions on this label). P332 + P313 - IF SKIN irritation occurs: Get medical advice/attention. P337 + P313 - IF eye irritation persists: Get medical advice/attention. P362 - Take off contaminated clothing and wash before reuse. P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. P403 + P233 - Store in a well-ventilated place. Keep container tightly closed. P403 + P235 - Store in a well-ventilated place. Keep cool. P405 - Store locked up. P501 - Dispose of contents/ container to an approved waste disposal plant. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 > 5000 mg/kg (Levenstein, 1974b) gavage-rat LD50 [sex: M/F] 4550 mg/kg LD50> 5 ml/kg. (Mayyasi et al., 1981) oral-rat LD50 > 5000 mg/kg Food and Cosmetics Toxicology. Vol. 13(Suppl), Pg. 793, 1975. | |
Dermal Toxicity: | |
skin-rabbit LD50 > 5000 mg/kg Food and Cosmetics Toxicology. Vol. 13(Suppl), Pg. 793, 1975. | |
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 melon heptenal usage levels up to: | |||
2.0000 % in the fragrance concentrate. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 27.00 (μg/capita/day) | ||
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: | - | 19.00000 | |
beverages(nonalcoholic): | - | 2.80000 | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | 0.80000 | |
condiments / relishes: | - | - | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | 1.70000 | |
fruit ices: | - | 1.70000 | |
gelatins / puddings: | 0.02000 | 10.00000 | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | - | 8.40000 | |
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 6 (FGE.06): Straight-and branched-chain aliphatic unsatured primary alcohols, aldehydes, carboxylic acids, and esters from chemical groups 1 and 4 View page or View pdf |
Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission related to Flavouring Group Evaluation 5: Esters of 23 branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and 24 branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 View page or View pdf |
Flavouring Group Evaluation 6, Revision 1 (FGE.06Rev1) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
Flavouring Group Evaluation 5, Revision 1 (FGE.05Rev1):Esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) [1] - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
Flavouring Group Evaluation 62 (FGE.62) Consideration of linear and branched-chain aliphatic unsaturated, unconjugated alcohols, aldehydes, acids, and related esters evaluated by JECFA (61st meeting) structurally related to esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids evaluated by EFSA in FGE.05 (2005) and to straight- and branched-chain aliphatic unsaturated primary alcohols, aldehydes, carboxylic acids, and esters evaluated by EFSA in FGE.06 (2004) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 71: Consideration of aliphatic, linear, alpha,beta-unsaturated carboxylic acids and related esters View page or View pdf |
Flavouring Group Evaluation 72 (FGE.72): Consideration of aliphatic, branched-chain saturated and unsaturated alcohols, aldehydes, acids, and related esters evaluated by the JECFA (61st meeting) structurally related to branched- and straight-chain unsaturated carboxylic acids. Esters of these and straight-chain aliphatic saturated alcohols evaluated by EFSA in FGE.05Rev2 (2010) View page or View pdf |
Flavouring Group Evaluation 5, Revision 2 (FGE.05Rev2): Branched- and straight-chain unsaturated carboxylic acids and esters of these with aliphatic saturated alcohols from chemical groups 1, 2, 3 and 5 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 95 (FGE.95): Consideration of aliphatic, linear or branched-chain saturated and unsaturated alcohols, aldehydes, acids and related esters evaluated by JECFA (69th meeting) structurally related to esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids evaluated by EFSA in FGE.05Rev1 (2008) View page or View pdf |
Safety and efficacy of non-conjugated and accumulated unsaturated straight-chain and branched-chain, aliphatic primary alcohols, aldehydes, acids, acetals and esters belonging to chemical group 4 when used as flavourings for all animal species View page or View pdf |
EPI System: View |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):106-72-9 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :61016 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 1989 |
WGK Germany:2 |
2,6-dimethylhept-5-enal |
Chemidplus:0000106729 |
RTECS:MJ8797000 for cas# 106-72-9 |