hex-2-enal
- Product Name
- hex-2-enal
- CAS No.
- 505-57-7
- Chemical Name
- hex-2-enal
- Synonyms
- 2-Hexenal;hex-2-enal;HEXEN-2-AL;HEXENE-2-AL;2-Hexene-1-one;2-hexenal,2-hexen-1-al
- CBNumber
- CB5896435
- Molecular Formula
- C6H10O
- Formula Weight
- 98.14
- MOL File
- 505-57-7.mol
hex-2-enal Property
- Melting point:
- -66°C (estimate)
- Boiling point:
- 133.68°C (estimate)
- Density
- 0.8445
- refractive index
- 1.4460
- FEMA
- 2560 | HEXEN-2-AL
- color
- A colourless liquid.
- Odor
- at 100.00 %. sweet almond fruity green leafy apple plum vegetable
- Odor Type
- green
- JECFA Number
- 1353
- LogP
- 1.58
- EPA Substance Registry System
- 2-Hexenal (505-57-7)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H226Flammable liquid and vapour
H302Harmful if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P272Contaminated work clothing should not be allowed out of the workplace.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P312Call a POISON CENTER or doctor/physician if you feel unwell.
P321Specific treatment (see … on this label).
P322Specific measures (see …on this label).
P330Rinse mouth.
P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.
P361Remove/Take off immediately all contaminated clothing.
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container to..…
hex-2-enal Chemical Properties,Usage,Production
Description
2-Hexenal has a characteristic green, leafy odor.
Chemical Properties
2-Hexenal has a sweet, fragrant, almond, fruity green, leafy, apple, plum, vegetable odor.
Occurrence
Reported found in the distillation waters of several plants, such as Carpinus betulus; also identified among the constituents of tea (leaves) oil and in citronella. Also reported found in numerous foods including apple juice, apricot, banana, citrus peel oils and juices, blueberry, strawberry, guava, peach, pear, melon, cabbage, kohlrabi, cucumber, lettuce, leek, peas, tomato, thymus, butter, milk, fish, fish oil, meats, hop oil, beer, grape wines, peanut oil, pecans, potato chips, soybeans, avocado, olive, passion fruit, plum, Malay apple, star fruit, mango, cauliflower, fig, artichoke, coriander leaf, rice, radish, lovage leaf, laurel, loquat, endive, nectarines, clam, quince and tobacco.
Preparation
From interaction of butyraldehyde acetal with vinyl ether followed by hydrolysis or by any other suitable means.
Definition
ChEBI: A hexenal having the double bond at the 2-position.
Aroma threshold values
Detection: 30 ppb; aroma characteristics at 1.0%: pungent green fatty, fresh fruity aldehydic, with fresh leafy apple and watermelon nuances.
Taste threshold values
Taste characteristics at 5 ppm: fruity, fresh green, herbal and vegetative, apple and melon with a slight yeasty nuance.
Toxicity evaluation
The acute oral LD50 value in rats was reported as 0.85 g/kg (0.65-1.05 g/kg) (Moreno, 1973). The oral LD50 values for trans-2-hexenal were reported as 780-1130 and 1550-1750 mg/kg in rats and mice, respectively, and the ip LD50 values were reported as 100-200 mg/kg in both species (Gaunt, Colley, Wright, Creasey, Grasso & Gangolli, 1971). The acute dermal LD50 value in rabbits was reported as 0.60 g/kg (0.37-0.83 g/kg) (Moreno, 1973).
hex-2-enal Preparation Products And Raw materials
Raw materials
Preparation Products
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