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| CAS No.: | 5910-85-0 |
|---|---|
| Name: | TRANS,TRANS-2,4-HEPTADIENAL |
| Article Data: | 4 |
| Molecular Structure: | |
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|
|
| Formula: | C7H10 O |
| Molecular Weight: | 110.156 |
| Synonyms: | 2,4-Heptadiene-1-al |
| Density: | 0.856g/cm3 |
| Boiling Point: | 177.4°Cat760mmHg |
| Flash Point: | 72.6°C |
| Risk Codes: | R22; R24; R38 |
| Safety: | Poison by skin contact. Moderately toxic by ingestion. A severe skin irritant. Flammable liquid when exposed to heat, sparks, or flame. When heated to decomposition it emits acrid smoke and fumes. |
| PSA: | 17.07000 |
| LogP: | 1.70770 |
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Chemistry
Empirical Formula: C7H10O
Molecular Weight: 110.1537 g/mol
Index of Refraction: 1.453
Density: 0.856 g/cm3
Flash Point: 65.6 °C
Enthalpy of Vaporization: 41.37 kJ/mol
Boiling Point: 177.4 °C at 760 mmHg
Vapour Pressure: 1.04 mmHg at 25 °C
Solubility: Soluble in ethanol, and most of the non-volatile oil, insoluble in water
Structure of 2,4-Heptadienal (CAS NO.5910-85-0):
IUPAC Name: (2E,4E)-Hepta-2,4-dienal
Uses
GB 2760-96 provides 2,4-Heptadienal (CAS NO.5910-85-0) for the use of food spices. It is mainly used in the preparation of blueberries' and raspberries' flavor.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg SEV | FCTOD7 Food and Chemical Toxicology. 21 (1983),855. | ||
| 2. | skn-gpg 500 mg SEV | FCTOD7 Food and Chemical Toxicology. 21 (1983),855. | ||
| 3. | orl-rat LD50:1150 mg/kg | FCTOD7 Food and Chemical Toxicology. 21 (1983),855. | ||
| 4. | skn-rbt LD50:313 mg/kg | FCTOD7 Food and Chemical Toxicology. 21 (1983),855. |
2,4-Heptadienal (CAS NO.5910-85-0) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65.
Safety Profile
Poison by skin contact. Moderately toxic by ingestion. A severe skin irritant. Flammable liquid when exposed to heat, sparks, or flame. When heated to decomposition it emits acrid smoke and fumes.
Hazard Codes: 
T
Risk Statements: 22-24-38
R22:Harmful if swallowed.
R24:Toxic in contact with skin.
R38:Irritating to skin.
Safety Statements: 36/37-45
S36/37:Wear suitable protective clothing and gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
Specification
2,4-Heptadienal ,its cas register number is 5910-85-0. It also can be called (Z,E)-2,4-heptadien-1-al ; 2,4-heptadienal, (2E,4E)- ; and (2E,4E)-2,4-Heptadienal . It is hazardous,so the first aid measures and others should be known. Such as: When on the skin: first,should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While ,it's Inhaled: Remove from exposure and move to fresh air immediately. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.
In addition, 2,4-Heptadienal (CAS NO.5910-85-0) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, strong reducing agents, strong bases, and you must not take it with incompatible materials, high temperatures. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide.