Hexanal
- CAS No.
- 66-25-1
- Chemical Name:
- Hexanal
- Synonyms
- N-HEXANAL;CAPROALDEHYDE;HEXALDEHYDE;ALDEHYDE C-6;1-HEXANAL;butacetin;hexanaldehyde;N-HEXALDEHYDE;CAPRONALDEHYDE;Natural hexanal
- CBNumber:
- CB9854088
- Molecular Formula:
- C6H12O
- Molecular Weight:
- 100.16
- MDL Number:
- MFCD00007027
- MOL File:
- 66-25-1.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| Hexanal natural, ≥95%, FG | W255726 | 1 each | $62.3 |
| Hexanal natural, ≥95%, FG | W255726 | 25g | $116 |
| Hexanal natural, ≥95%, FG | W255726 | 100g | $217 |
| Hexanal natural, ≥95%, FG | W255726 | 1kg | $1470 |
| Hexanal ≥97%, FCC, stabilized, FG | W255718 | 1 each | $59.8 |
| More product size | |||
| Melting point | -56 °C |
|---|---|
| Boiling point | 130-131 °C(lit.) |
| Density | 0.816 g/mL at 20 °C |
| vapor density | >1 (vs air) |
| vapor pressure | 10 mm Hg ( 20 °C) |
| refractive index |
n |
| FEMA | 2557 | HEXANAL |
| FLAVIS Number | 05.008 | Hexanal |
| Flash point | 90 °F |
| storage temp. | 2-8°C |
| solubility | 6g/l |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| Odor | Pungent. |
| PH | 4-5 (4.8g/l, H2O, 20℃) |
| Odor Threshold | 0.00028ppm |
| Odor Type | green |
| biological source | synthetic |
| Water Solubility | 4.8 g/L (20 ºC) |
| Sensitive | Air Sensitive |
| Merck | 14,1760 |
| JECFA Number | 92 |
| BRN | 506198 |
| Henry's Law Constant | 4.5×10-2 mol/(m3Pa) at 25℃, Brockbank (2013) |
| Stability | Stable. Flammable. Incompatible with oxidizing agents, strong bases, strong reducing agents. |
| Major Application | flavors and fragrances |
| Cosmetics Ingredients Functions | FRAGRANCE |
| InChI | 1S/C6H12O/c1-2-3-4-5-6-7/h6H,2-5H2,1H3 |
| InChIKey | JARKCYVAAOWBJS-UHFFFAOYSA-N |
| SMILES | CCCCCC=O |
| LogP | 1.97 |
| CAS DataBase Reference | 66-25-1(CAS DataBase Reference) |
| Substances Added to Food (formerly EAFUS) | HEXANAL |
| EWG's Food Scores | 1 |
| FDA UNII | 9DC2K31JJQ |
| NIST Chemistry Reference | Hexanal(66-25-1) |
| EPA Substance Registry System | Hexaldehyde (66-25-1) |
| UNSPSC Code | 85151701 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H226-H315-H319 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P303+P361+P353-P305+P351+P338 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 10-36-36/37/38 | |||||||||
| Safety Statements | 37/39-26-16-9 | |||||||||
| RIDADR | UN 1207 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | MN7175000 | |||||||||
| F | 13 | |||||||||
| Autoignition Temperature | 220 °C | |||||||||
| Hazard Note | Irritant | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2912 19 00 | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Flam. Liq. 3 Skin Irrit. 2 |
|||||||||
| Hazardous Substances Data | 66-25-1(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in rats: 4.89 g/kg (Smyth) | |||||||||
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704 |
|
Hexanal price More Price(40)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | W255726 | Hexanal natural, ≥95%, FG | 66-25-1 | 1 each | $62.3 | 2026-03-19 | Buy |
| Sigma-Aldrich | W255726 | Hexanal natural, ≥95%, FG | 66-25-1 | 25g | $116 | 2026-03-19 | Buy |
| Sigma-Aldrich | W255726 | Hexanal natural, ≥95%, FG | 66-25-1 | 100g | $217 | 2026-03-19 | Buy |
| Sigma-Aldrich | W255726 | Hexanal natural, ≥95%, FG | 66-25-1 | 1kg | $1470 | 2026-03-19 | Buy |
| Sigma-Aldrich | W255718 | Hexanal ≥97%, FCC, stabilized, FG | 66-25-1 | 1 each | $59.8 | 2026-03-19 | Buy |
Hexanal Chemical Properties,Uses,Production
Description
Hexanal has a fatty, green, grassy, powerful, penetrating characteristic fruity odor and taste (on dilution). It is prepared from the calcium salt of caproic acid and formic acid.
Chemical Properties
Hexanal occurs in apple and strawberry aromas as well as in orange and lemon oil. It is a colorless liquid with a fatty, green odor and, in low concentration, is reminiscent of unripe fruit. Hexanal is used in fruit flavors and, when highly diluted, in perfumery for obtaining fruity notes.
Chemical Properties
Colorless liquid; sharp aldehyde odor.Immiscible with water.
Occurrence
Reported found that hexanal occurs naturally in in some natural aromas of apple, strawberry, camphor oil, tea extracts, tobacco leaves, Eucalyptus globulus, dwarf pine, bitter orange and coffee. Also reported found in nearly 300 natural sources including apple, apricot, banana, sweet and sour cherry, citrus peel oils and juices, berries, guava, melon, raisins, peach, pear, papaya, pineapple, asparagus, cabbage, celery, carrot, lettuce, shallots, onion, leek, ginger, parsley, bread, cheeses, butter, milk, fish, meats, cocoa, coffee, tea, nuts, popcorn, potato chips, oat products, honey, soybean, plum, cauliflower, beetroot, celery root, figs, cardamom, coriander seed and leaf, brussel sprouts, rice, quince, radish, lovage, corn oil, laurel and malt
Uses
Hexanal occurs naturally inmany foods, such as in ripening
fruits, or because of addition as a flavorant; it has an apple taste. It can also be produced in foods because of lipid
peroxidation during cooking. It is mainly used as a food
flavorant, in fragrances, and in the manufacture of dyes,
plasticizers, synthetic resins, and pesticides. It is released to
air and water during production or use for the manufacture
of other products or during the use of these products
themselves. It undergoes oxidation and polymerization
readily.
Feron et al. identified hexanal in about 80 different
types of food.
Uses
Hexanal is used in the flavor industry to prepare fruity flavors. It is utilized as a flavoring agent in the food industry. It is also used in Witting and aldol reactions.
Preparation
Prepared from the calcium salt of caproic acid and formic acid
Definition
ChEBI: A fatty aldehyde that is hexane in which one of the terminal methyl group has been mono-oxygenated to form the corresponding aldehyde.
Aroma threshold values
Detection: 4.1 to 22.8 ppb; recognition: 400 ppb; aroma characteristics at 2.0%: green, fatty, leafy, vegetative, fruity and clean with a woody nuance
Taste threshold values
Taste characteristics at 2.5 ppm: green, woody, vegetative, apple, grassy, citrus and orange with a fresh, lingering aftertaste
Synthesis Reference(s)
Journal of the American Chemical Society, 93, p. 1693, 1971 DOI: 10.1021/ja00736a021
General Description
A clear colorless liquid with a pungent odor. Flash point 90°F. Less dense than water and insoluble in water. Vapors heavier than air.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
Caproaldehyde is an aldehyde. Aldehydes are frequently involved in self-condensation or polymerization reactions. These reactions are exothermic; they are often catalyzed by acid. Aldehydes are readily oxidized to give carboxylic acids. Flammable and/or toxic gases are generated by the combination of aldehydes with azo, diazo compounds, dithiocarbamates, nitrides, and strong reducing agents. Aldehydes can react with air to give first peroxo acids, and ultimately carboxylic acids. These autoxidation reactions are activated by light, catalyzed by salts of transition metals, and are autocatalytic (catalyzed by the products of the reaction). The addition of stabilizers (antioxidants) to shipments of aldehydes retards autoxidation. May attack some forms of plastics [USCG, 1999].
Hazard
Flammable, moderate fire risk.
Health Hazard
Ingestion causes irritation of mouth and stomach. Contact with vapor or liquid irritates eyes. Liquid irritates skin.
Fire Hazard
Behavior in Fire: Vapor is heavier than air and may travel to a source of ignition and flash back.
Chemical Reactivity
Reactivity with Water No reaction; Reactivity with Common Materials: May attack some plastics; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
Toxics Screening Level
The initial threshold screening level (ITSL) for hexanaldehyde is 2 μg/m3 based on an annual averaging time.
Hexanal Preparation Products And Raw materials
Raw materials
Preparation Products
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| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718; +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21592 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29821 | 58 |
| Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2949 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 +8615060885618 | sales@amoychem.com | China | 6369 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5906 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49977 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569262 +86-15003564040 | 1056@dideu.com | China | 3982 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
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View Lastest Price from Hexanal manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-21 | N-Hexanal
66-25-1
|
US $0.00 / Kg/Drum | 1KG | 99% | 200mt | Jinan Finer Chemical Co., Ltd | |
 |
2026-03-20 | Hexanal
66-25-1
|
US $10.00 / kg | 1kg | 99% | 100 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-05-26 | Hexanal
66-25-1
|
US $10.70 / kg | 10kg | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD |
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