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| CAS No.: | 142-83-6 |
|---|---|
| Name: | 2,4-Hexadienal,(2E,4E)- |
| Article Data: | 50 |
| Cas Database | |
| Molecular Structure: | |
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| Formula: | C6H8O |
| Molecular Weight: | 96.1289 |
| Synonyms: | 2,4-Hexadienal,(E,E)-;Sorbaldehyde (6CI,7CI,8CI);(2E,4E)-2,4-Hexadienal;(E,E)-Hexa-2,4-dienal;Sorbic aldehyde;trans-2,trans-4-Hexadienal; |
| EINECS: | 205-564-3 |
| Density: | 0.857 g/cm3 |
| Melting Point: | -16.5°C |
| Boiling Point: | 155.858 °C at 760 mmHg |
| Flash Point: | 67.778 °C |
| Solubility: | It is Insoluble in water, but soluble in ethanol. |
| Appearance: | liquid |
| Hazard Symbols: |
 T
|
| Risk Codes: | 22-24-34-43 |
| Safety: | 26-36/37/39-45 |
| Transport Information: | UN 2922 8/PG 3 |
| PSA: | 17.07000 |
| LogP: | 1.31760 |
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UPAC Name:(2E,4E)-Hexa-2,4-dienal
Synonyms : Trans,Trans-2,4-Hexadienal
Molecular Structure: 
Molecular Formula: C6H8O
Molecular Weight : 96.13
CAS NO: 142-83-6
EINECS : 205-564-3
FEMA : 3429
BRN : 1698401
Density : 0.871
Boiling point: 170-173 ºC
Refractive index : 1.541
Flash point : 68 ºC
Index of Refraction: 1.45
Surface Tension: 26.4 dyne/cm
Enthalpy of Vaporization: 39.26 kJ/mol
Vapour Pressure: 2.97 mmHg at 25°C
Storage temp: 2-8°C
Appearance: liquid
Sensitive: Air Sensitive
Stability: Sorbaldehyde (CAS NO. 142-83-6) is stable, combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents.
| 1. | skn-rbt 10 mg/24H SEV | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 2. | eye-rbt 750 µg SEV | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 3. | mmo-sat 500 nmol/L | MUREAV Mutation Research. 148 (1985),25. | ||
| 4. | orl-rat LD50:300 mg/kg | FCTOD7 Food and Chemical Toxicology. 26 (1988),337. | ||
| 5. | ihl-rat LCLo:2000 ppm/4H | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 6. | skn-gpg LDLo:2500 mg/kg | FCTOD7 Food and Chemical Toxicology. 26 (1988),337. |
Reported in EPA TSCA Inventory.
Hazard Codes T.gif){kind=small}
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Risk Statements 24-34-43-36/37/38-20/21/22
24: Toxic in contact with skin
34: Sorbaldehyde (CAS NO. 142-83-6) causes burns
43: May cause sensitization by skin contact
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements 26-36/37/39-45-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR UN 2922 8/PG 3
WGK Germany 3
RTECS WG1925000
F 1-10
Hazard Note Irritant
HazardClass 6.1
PackingGroup III
1.General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire.
2.Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
3.Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
4.Storage: Keep Sorbaldehyde (CAS NO. 142-83-6) away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Keep refrigerated. (Store below 4°C/39°F.)
