(E,E)-2,4-Hexadienal
- CAS No.
- 142-83-6
- Chemical Name:
- (E,E)-2,4-Hexadienal
- Synonyms
- 2,4-HEXADIENAL;(2E,4E)-Hexa-2,4-dienal;SORBALDEHYDE;SORBIC ALDEHYDE;FEMA 3429;JACS-142-83-6;Hexa-2,4-dienal;n-Hex-2,4-dienal;T2 T4 HEXADIENAL;2,4-HEXADIEN-1-AL
- CBNumber:
- CB9143146
- Molecular Formula:
- C6H8O
- Molecular Weight:
- 96.13
- MDL Number:
- MFCD00007004
- MOL File:
- 142-83-6.mol
- MSDS File:
- SDS
Melting point | -16.5°C |
---|---|
Boiling point | 69 °C/20 mmHg (lit.) |
Density | 0.895 g/mL at 20 °C 0.871 g/mL at 25 °C (lit.) |
vapor density | >1 (vs air) |
refractive index |
n |
FEMA | 3429 | TRANS,TRANS-2,4-HEXADIENAL |
Flash point | 154 °F |
storage temp. | 2-8°C |
solubility | Almost insoluble in water, soluble in alcohol and oils. |
form | liquid |
color | Colorless |
Specific Gravity | 0.871 |
Odor | at 10.00 % in dipropylene glycol. sweet green spicy floral citrus |
Odor Type | green |
Water Solubility | It is Insoluble in water, but soluble in ethanol. |
Sensitive | Air Sensitive |
JECFA Number | 1175 |
BRN | 1698401 |
Stability | Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents. |
LogP | 1.06 |
CAS DataBase Reference | 142-83-6(CAS DataBase Reference) |
Substances Added to Food (formerly EAFUS) | TRANS, TRANS-2,4-HEXADIENAL |
EWG's Food Scores | 2 |
FDA UNII | 878K4I6N7T |
Proposition 65 List | 2,4-Hexadienal (89% trans, trans isomer; 11% cis, trans isomer) |
IARC | 2B (Vol. 101) 2013 |
NIST Chemistry Reference | 2,4-Hexadienal, (E,E)-(142-83-6) |
EPA Substance Registry System | 2,4-Hexadienal, (2E,4E)- (142-83-6) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | GHS05,GHS06 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Danger | |||||||||
Hazard statements | H301+H311-H314-H317 | |||||||||
Precautionary statements | P261-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
Hazard Codes | T,Xi,Xn | |||||||||
Risk Statements | 22-24-34-43-36/37/38-20/21/22 | |||||||||
Safety Statements | 26-36/37/39-45-36 | |||||||||
RIDADR | UN 2922 8/PG 3 | |||||||||
WGK Germany | 3 | |||||||||
RTECS | WG1925000 | |||||||||
F | 1-10 | |||||||||
Hazard Note | Irritant | |||||||||
TSCA | Yes | |||||||||
HazardClass | 6.1 | |||||||||
PackingGroup | III | |||||||||
HS Code | 29121900 | |||||||||
NFPA 704 |
|
(E,E)-2,4-Hexadienal price More Price(14)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | 180343 | trans,trans-2,4-Hexadienal 95% | 142-83-6 | 25ml | $92.6 | 2024-03-01 | Buy |
Sigma-Aldrich | 180343 | trans,trans-2,4-Hexadienal 95% | 142-83-6 | 100ml | $198 | 2024-03-01 | Buy |
TCI Chemical | H0581 | 2,4-Hexadienal >95.0%(GC) | 142-83-6 | 25mL | $46 | 2021-12-16 | Buy |
Alfa Aesar | A13200 | 2,4-Hexadienal, predominantly trans,trans, 95% | 142-83-6 | 5g | $22.65 | 2024-03-01 | Buy |
Alfa Aesar | A13200 | 2,4-Hexadienal, predominantly trans,trans, 95% | 142-83-6 | 25g | $55.65 | 2024-03-01 | Buy |
(E,E)-2,4-Hexadienal Chemical Properties,Uses,Production
Description
trans, frans-2,4-Hexadienal has a fresh, green, floral citrus odor. May be synthesized by slowly heating croton-aldehyde with acetaldehyde in the presence of pyridine at 85 - 90°C.
Chemical Properties
liquid
Chemical Properties
trans, trans-2,4-Hexadienal has a sweet, green aroma; in dilution, a pleasant citrusy green.
Occurrence
Reported found in olive, roasted peanuts, tomato, caviar, fish, auto-oxidized salmon oil, tea, apricot, strawberry, wheaten bread, Russian cheeses, cooked chicken and beef, boiled mutton, hop oil, raw and roasted peanuts, soybean, olive, rice, buckwheat, malt, kiwifruit and scallops.
Uses
trans,trans-2,4-Hexadienal (sorbic aldehyde) was used in the synthesis of chiral cycloadducts.
Uses
2,4-Hexadienal, is used in the synthesis of chiral cycloadducts. 2,4-Hexadienal is used as a flavouring agent, as a chemical intermediate in various organic synthetic reactions and as a raw material in the manufacture of sorbic acid. It is also used as in the manufacture of polymethine dyes, as a pharmaceutical intermediate in the manufacture of mitomycins and antihypercholesteraemics, as an inhibitor of corrosion for steel used in oil field operations, as a monomer in reactions with silane comonomers for the manufacture of polyalkenyloxysilane polymer and as a fumigant against larvae of the Caribbean fruit fly.
Definition
ChEBI: (E,E)-2,4-hexadienal is a hexadienal that is hexanal with trans double bonds at positions 2 and 4. It is found in tomatoes, kiwi fruit, mangoes, potato chips, herbs and spices. It has a role as a flavouring agent and a plant metabolite. It is a polyunsaturated fatty aldehyde, a hexadienal and a volatile organic compound.
Preparation
Can be obtained by slowly heating crotonaldehyde with acetaldehyde in the presence of pyridine at 85 to 90°C.
Aroma threshold values
Detection: 60 to 476 ppb
Taste threshold values
Taste characteristics at 25 ppm: sweet, green, waxy, aldehydic, with fresh melon nuances.
General Description
trans,trans-2,4-Hexadienal is a volatile is a flavor compound that is reported to occur in different types of tea.
(E,E)-2,4-Hexadienal Preparation Products And Raw materials
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12446 | 58 |
JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 808 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29888 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 | alice@crovellbio.com | China | 8820 | 58 |
Xiamen AmoyChem Co., Ltd | +86-592-6051114 +8618959220845 | sales@amoychem.com | China | 6387 | 58 |
Xi'an Kono chem co., Ltd., | 029-86107037 13289246953 | info@konochemical.com | China | 2995 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39916 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49392 | 58 |
SIMAGCHEM CORP | +86-13806087780 | sale@simagchem.com | China | 17367 | 58 |
View Lastest Price from (E,E)-2,4-Hexadienal manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-07-20 | (E,E)-2,4-Hexadienal
142-83-6
|
US $0.00-0.00 / kg | 1kg | 99% | 10ton | JINING XINHE CHEMICAL CO., LTD | ||
2024-05-06 | (E,E)-2,4-Hexadienal
142-83-6
|
US $20.00 / kg | 1kg | 99.9% | 200000kg | Ouhuang Engineering Materials (Hubei) Co., Ltd | ||
2023-06-30 | (E,E)-2,4-Hexadienal
142-83-6
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mojin Biotechnology Co., Ltd |
- (E,E)-2,4-Hexadienal
142-83-6
- US $0.00-0.00 / kg
- 99%
- JINING XINHE CHEMICAL CO., LTD
- (E,E)-2,4-Hexadienal
142-83-6
- US $20.00 / kg
- 99.9%
- Ouhuang Engineering Materials (Hubei) Co., Ltd
- (E,E)-2,4-Hexadienal
142-83-6
- US $0.00 / KG
- 99%
- Hebei Mojin Biotechnology Co., Ltd