| Preferred name | hexanal (aldehyde C-6) |
| Trivial Name | Hexanal |
| Short Description | caproic aldehyde |
| Formula | C6 H12 O |
| CAS Number | 66-25-1 |
| FEMA Number | 2557 |
| Flavis Number | 5.008 |
| ECHA Number | 200-624-5 |
| FDA UNII | 9DC2K31JJQ |
| Nikkaji Number | J1.409E |
| Beilstein Number | 0506198 |
| MDL | MFCD00007027 |
| COE Number | 96 |
| Bio Activity Summary | External link |
| NMR Predictor | External link |
| JECFA Food Flavoring | 92 hexanal |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 66-25-1 ; HEXANAL |
| Synonyms |
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| Google Scholar | Start search |
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| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| hexanal | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 66-25-1 |
| Pubchem (cid): | 6184 |
| Pubchem (sid): | 134972785 |
| Flavornet: | 66-25-1 |
| 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 |
| CHEBI: | View |
| CHEMBL: | View |
| KEGG (GenomeNet): | C02373 |
| HMDB (The Human Metabolome Database): | HMDB05994 |
| FooDB: | FDB008068 |
| YMDB (Yeast Metabolome Database): | YMDB01759 |
| Export Tariff Code: | 2912.19.5000 |
| Typical G.C. | |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Formulations/Preparations: •grades or purity: 99+%; commercial •grades: technical | |
| Material listed in food chemical codex | Yes |
| Molecular weight | 100.16084289551 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 6.757 to 6.84 |
| Refractive Index | 1.399 to 1.409 @ 20 °C |
| Boiling Point | 130 to 131°C @ 760 mm Hg |
| Acid Value | 7 max KOH/g |
| Vapor Pressure | 10.888 mmHg @ 25 °C |
| Vapor Density | 1.01 |
| Flash Point TCC Value | 32.22 °C TCC |
| logP (o/w) | 1.78 |
| Solubility | |
| alcohol | Yes |
| fixed oils | Yes |
| propylene glycol | Yes |
| water, 5640 mg/L @ 30 °C (exp) | Yes |
| water | No |
| Stability | |
| cream | Unspecified |
| deodorant | Unspecified |
| detergent | Unspecified |
| hair spray | Unspecified |
| shampoo | Unspecified |
| soap | Unspecified |
| Odor Type: Green | |
| fresh, green, fatty, aldehydic, grassy, leafy, fruity, sweaty, vegetable, clean, woody | |
| Odor strength | high , recommend smelling in a 1.00 % solution or less |
| Substantivity | 4 hour(s) at 100.00 % |
| Luebke, William tgsc, (1982) | At 1.00 % in dipropylene glycol. fresh green fatty aldehydic grass leafy fruity sweaty |
| Mosciano, Gerard P&F 22, No. 6, 41, (1997) | At 2.00 %. Green, fatty, leafy, vegetative, fruity and clean with a woody nuance |
| Flavor Type: Green | |
| green, woody, vegetable, apple, grassy, citrus, orange, fresh | |
| Mosciano, Gerard P&F 22, No. 6, 41, (1997) | At 2.50 ppm. Green, woody, vegetative, apple, grassy, citrus and orange with a fresh, lingering aftertaste |
| An extremely versatile material. In dilution it is used in many fruit and vegetable flavors as well as butter and rum. | Green |
| General comment | Leafy, fruity, green apple like |
| HEXANAL adds a freshly cut grass and unripe effect to fruit and vegetable flavors. | Classic aldehyde notes green grassy sharp unripe or raw fruit and green vegetable |
| (data available) |
| Applications | |
| Odor purposes | Aldehydic , Apple , Apricot , Banana , Berry , Cherry , Coconut , Coffee , Cranberry , Cucumber , Currant red currant , Fruit , Green , Herbal , Lime , Mandarin , Melon , Orange , Peanut , Pine forest , Pine needle , Plum , Saffron , Strawberry , Tangerine , Tobacco |
| Flavoring purposes | Carrot , Fish , Pine needle , Tea , Tomato |
| Other purposes | Grass |
| Cosmetic purposes | Fragrance |
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
| R 10 - Flammable. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 24/25 - Avoid contact with skin and eyes. 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) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Human Experience: | |
| 1 % solution: no irritation or sensitization. | |
| Oral/Parenteral Toxicity: | |
| oral-rat LD50 4890 mg/kg AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954. oral-mouse LD50 8292 mg/kg BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Yukagaku. Oil Chemistry. Vol. 26, Pg. 169, 1977. oral-mammal (species unspecified) LD50 3700 mg/kg Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| inhalation-rat TCLo 2000 ppm/4H AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954. | |
| 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 hexanal (aldehyde C-6) usage levels up to: | |||
| 0.5000 % in the fragrance concentrate. | |||
| 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: | - | 4.20000 | |
| beverages(nonalcoholic): | - | 1.30000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | 3.00000 | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | 2.80000 | |
| fruit ices: | - | 2.80000 | |
| gelatins / puddings: | 2.00000 | 2.50000 | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | 3.60000 | |
| 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 Authority (EFSA) reference(s): |
| 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 |
| Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on the safety and efficacy of straight-chain primary aliphatic alcohols/aldehydes/acids, acetals and esters with esters containing saturated alcohols and acetals containing saturated aldehydes (chemical group 1) when used as flavourings for all animal species 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):66-25-1 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :6184 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 1207 |
| WGK Germany:1 |
| hexanal |
| Chemidplus:0000066251 |
| EPA/NOAA CAMEO:hazardous materials |
| RTECS:MN7175000 for cas# 66-25-1 |