trans,trans-2,4-Heptadienal

ChemicalBook > CAS DataBase List > trans,trans-2,4-Heptadienal

trans,trans-2,4-Heptadienal

Product Name: trans,trans-2,4-Heptadienal
CAS No.: 4313-03-5
Chemical Name: trans,trans-2,4-Heptadienal
Synonyms: (E,E)-2,4-Heptadienal;2,4-HEPTADIENAL;Heptadienal;(2E,4E)-hepta-2,4-dienal;TRANS-2-TRANS-4-HEPTADIENAL;2,4-Heptadienal,(E,E)-;FEMA 3164;(E,E)-hepta-2,4-dienal;(2E,4E)-2,4-Heptadienal;TRANS-2,TRANS-4-HEPTADIEN-1-AL
CBNumber: CB3252543
Molecular Formula: C7H10O
Formula Weight: 110.15
MOL File: 4313-03-5.mol

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trans,trans-2,4-Heptadienal Property

Melting point:: 84.5 °C
Boiling point:: 84-84.5 °C(lit.)
Density: 0.881 g/mL at 25 °C(lit.)
refractive index: n20/D 1.534(lit.)
FEMA: 3164 | (2E,4E)-HEPTADIENAL
Flash point:: 150 °F
storage temp.: 2-8°C
solubility: Acetonitrile (Slightly), Chloroform (Slightly), Ethyl Acetate (Slightly)
form: clear liquid
color: Light yellow to Brown
Odor: at 1.00 % in dipropylene glycol. fatty green oily aldehydic vegetable cake cinnamon
Odor Type: fatty
Water Solubility: INSOLUBLE
JECFA Number: 1179
BRN: 1699244
Stability:: Light Sensitive
LogP: 1.59
CAS DataBase Reference: 4313-03-5(CAS DataBase Reference)
NIST Chemistry Reference: 2,4-Heptadienal, (E,E)-(4313-03-5)
EPA Substance Registry System: 2,4-Heptadienal, (2E,4E)- (4313-03-5)

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Safety

Hazard Codes: T,Xi
Risk Statements: 22-24-38
Safety Statements: 36/37-45
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
F: 10-23
Hazard Note: Irritant
HazardClass: 6.1
PackingGroup: III
HS Code: 29121900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H311Toxic in contact with skin

H315Causes skin irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: W316407
Product name: trans,trans-2,4-Heptandienal
Purity: ≥88%
Packaging: sample-k
Price: $54.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: W316407
Product name: trans,trans-2,4-Heptandienal
Purity: ≥88%
Packaging: 100g
Price: $229
Updated: 2024/03/01

Sigma-Aldrich

Product number: W316407
Product name: trans,trans-2,4-Heptandienal
Purity: ≥88%
Packaging: 1kg
Price: $1400
Updated: 2024/03/01

Sigma-Aldrich

Product number: 180548
Product name: 2,4-Heptadienal
Purity: technical grade, 90%
Packaging: 1g
Price: $33.5
Updated: 2024/03/01

TCI Chemical

Product number: H0681
Product name: trans,trans-2,4-Heptadienal
Purity: >90.0%(GC)
Packaging: 5mL
Price: $88
Updated: 2024/03/01

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trans,trans-2,4-Heptadienal Chemical Properties,Usage,Production

Description

2,4-Heptadienal retards or prevents the development of "off-flavors" in auto-oxidizing fats and oils. May be prepared by reduction with LiAlH4 of the dienoic acid prepared by the Doebner synthesis, followed by oxidation with Mn02 of the resulting dienol to the corresponding dienol; by the method of Marshall and Whiting.

Chemical Properties

2,4-Heptadienal has a fatty, green odor In auto-oxidizing fats and oils, it retards or prevents the development of “off-favors ”.

Chemical Properties

clear yellow liquid

Occurrence

Reported found as a volatile component in boiled chicken, in peas by enzymatic formation from lipids, as the odorous component in Vaccinium macrocarpon; additional products in which 2,4-heptadienal has been reportedly identifed include soybean oil, black-tea aroma (trans- and cis-form); bilberry aroma (Vaccinium myrtillus); frozen peas, sunfower oil, autooxidized lard, salted salmon, sturgeon caviar and salmon roe; the trans,trans-form has been reported found among the volatile favor components of potato chips and tomato Also reported found in natural sources including cranberry, guava, melon, blackberry, avocado, cabbage, raw or cooked potato, tomato, butter, lean fsh, smoked fsh, chicken fat, cooked chicken, beef fat, tea, cooked beef, lamb and pork, peanut oil, peanut butter, mango, caulifower, broccoli, tamarind, fgs, corn tortillas, lemon balm, oysters, crayfsh, clams, mate and Virginia tobacco

Uses

trans,trans-2,4-Heptanedienal is an unsaturated aldehyde that has a fishy odour. trans,trans-2,4-Heptanedienal is a volatile component naturally found in drinking water and fish oils.

Definition

ChEBI: A heptadienal in which the two double bonds are located at positions 2 and 4 (the E,E-geoisomer).

Aroma threshold values

Aroma characteristics at 0.10%: green fatty, herbal, vegetative, aldehydic oily with cucumber and fried nuances.

Taste threshold values

Taste characteristics at 0.25 ppm: green fatty, harsh chicken fat, cucumber with brothy and fshy nuances.

General Description

2,4-Heptadienal is a specific marker of oxidative rancidity. It is also a potential algal metabolite.

Synthesis

By reduction with LiAlH4 of the dienoic acid prepared by the Doebner synthesis, followed by oxidation with MnO2 of the resulting dienol to the corresponding dienol; by the method of Marshall and Whiting.

trans,trans-2,4-Heptadienal Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from trans,trans-2,4-Heptadienal manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd

Product: trans,trans-2,4-Heptadienal 4313-03-5
Price: US $55.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20 tons
Release date: 2024-11-19

Hebei Weibang Biotechnology Co., Ltd

Product: trans,trans-2,4-Heptadienal 4313-03-5
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100 mt
Release date: 2024-11-18

Hebei Weibang Biotechnology Co., Ltd

Product: trans,trans-2,4-Heptadienal 4313-03-5
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-31

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rans,trans-2,4-Heptadienal

4313-03-5 trans,trans-2,4-Heptadienal

4313-03-5

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C2H5CHCHCHCHCHO

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