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Cas Database

Name	trans-2-Hexenal	EINECS	229-778-1
CAS No.	6728-26-3	Density	0.828 g/cm³
PSA	17.07000	LogP	1.54160
Solubility	insoluble in water	Melting Point	-78°C (estimate)
Formula	C₆H₁₀O	Boiling Point	146.499 °C at 760 mmHg
Molecular Weight	98.1448	Flash Point	38.333 °C
Transport Information	UN 1988 3/PG 3	Appearance	clear colorless to light yellow liquid
Safety	16-26-36-36/37	Risk Codes	10-21/22-36/37/38-20/21/22
Molecular Structure		Hazard Symbols	Xn, Xi, F
Synonyms	2-Hexenal,(E)- (8CI);Leaf aldehyde (6CI);(2E)-2-Hexenal;(2E)-Hexenal;(E)-2-Hexen-1-al;(E)-2-Hexenal;Green leaf aldehyde;trans-2-Hexen-1-al;	Article Data	93

trans-2-Hexenal Chemical Properties

Name: β-propyl acrolein(6728-26-3)
Molecular Formula: C₆H₁₀O
Molecular Weight: 98.16g/mol
EINECS: 229-778-1
liansport Information: UN 1988 3
Density: 0.846 g/mL at 25 °C(lit.)
Boiling Point: 146.5 °C at 760 mmHg
Flash Point: 38.3 °C
Freely Rotating Bonds: 3
Index of Refraction: 1.421
Molar Refractivity: 30.09 cm³
Molar Volume: 118.5 cm³
Polarizability: 11.92 10^-24 cm³
Surface Tension: 25.7 dyne/cm
Enthalpy of Vaporization: 38.35 kJ/mol
Vapour Pressure: 4.62 mmHg at 25°C
Storage Temperature: 0-6°C
Solubility: soluble in ethanol, propylene glycol, and the majority of non-volatile oil, very slightly soluble in water.
The chemical synonyms of β-propyl acrolein(6728-26-3) are BETA-PROPYLACROLEIN;LEAF ALDEHYDE;FEMA 2560;HEXEN-1-AL,TRANS-2-;HEX-2(TRANS)-ENAL;T2 HEXENAL;TRANS-2-HEXENYL ALDEHYDE and TRANS-2-HEXENAL.Its product categories is Fatty & Aliphatic Acids, Esters, Alcohols & Derivatives;aldehyde Flavor;Aldehydes;C1 to C6 and Carbonyl Compounds.The molecular structure of β-propyl acrolein(6728-26-3) is

trans-2-Hexenal Uses

It can be used as food additive and flavor.

trans-2-Hexenal Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MOD	FCTXAV Food and Cosmetics Toxicology. 13 (1975),453.
2.	orl-rat LD50:780 mg/kg	FCTXAV Food and Cosmetics Toxicology. 9 (1971),775.
3.	ipr-rat LD50:180 mg/kg	FCTXAV Food and Cosmetics Toxicology. 9 (1971),775.
4.	orl-mus LD50:685 mg/kg	YKGKAM Yukagaku. Journal of Japan Oil Chemists Society. 26 (1977),169.
5.	ipr-mus LD50:100 mg/kg	FCTXAV Food and Cosmetics Toxicology. 9 (1971),775.
6.	skn-rbt LD50:600 mg/kg	FCTXAV Food and Cosmetics Toxicology. 13 (1975),449.

trans-2-Hexenal Consensus Reports

Reported in EPA TSCA Inventory.

trans-2-Hexenal Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion and skin contact. A skin irritant. Reacts with nitric acid to form a heat-sensitive explosive product. Can form peroxides in storage. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Symbols: Xn,Xi,F
Xn: Harmful
Xi: Irritant
F: Highly Flammable
Risk Statements: 10-21/22-36/37/38-20/21/22
10: Flammable
21/22: Harmful in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 16-26-36-36/37
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37: Wear suitable protective clothing and gloves
HazardClass: 3

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