142-83-6
hexa-2,4-dienal
CAS: 142-83-6
Molecular Formula: C6H8O
142-83-6 - Names and Identifiers
| Name | hexa-2,4-dienal |
| Synonyms | 2,4-Hexadienal Hexa-2,4-dienal hexa-2,4-dienal (2E,4E)-Hexadienal (e,e)-4-hexadienal (E,E)-2,4-hexadienal TRANS-2,4-HEXADIENAL (E)-2,(E)-4-hexadienal (2E,4E)-2,4-Hexadienal (2E,4E)-hexa-2,4-dienal Trans,trans-2,4-hexadienal Sorbaldehyde, Sorbic aldehyde |
| CAS | 142-83-6 |
| EINECS | 205-564-3 |
| InChI | InChI=1/C6H8O/c1-2-3-4-5-6-7/h2-6H,1H3/b3-2+,5-4+ |
142-83-6 - Physico-chemical Properties
| Molecular Formula | C6H8O |
| Molar Mass | 96.13 |
| Density | 0.895 g/mL at 20 °C0.871 g/mL at 25 °C (lit.) |
| Melting Point | -16.5°C |
| Boling Point | 69 °C/20 mmHg (lit.) |
| Flash Point | 154°F |
| JECFA Number | 1175 |
| Water Solubility | It is Insoluble in water, but soluble in ethanol. |
| Vapor Presure | 2.97mmHg at 25°C |
| Vapor Density | >1 (vs air) |
| Specific Gravity | 0.871 |
| BRN | 1698401 |
| Storage Condition | 2-8°C |
| Stability | Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents. |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.541(lit.) |
142-83-6 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R24 - Toxic in contact with skin R34 - Causes burns R43 - May cause sensitization by skin contact R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36 - Wear suitable protective clothing. |
| UN IDs | UN 2922 8/PG 3 |
| WGK Germany | 3 |
| RTECS | WG1925000 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| HS Code | 29121900 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
142-83-6 - Reference Information
| FEMA | 3429 | TRANS,TRANS-2,4-HEXADIENAL |
| (IARC) carcinogen classification | 2B (Vol. 101) 2013 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | flammable liquid |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 300 mg/kg |
| flammability hazard characteristics | open flame, combustible heat and oxidant; Combustion emission stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature, separate from oxidants and acids |
| extinguishing agent | water mist, foam, sand, carbon dioxide, 1211 extinguishing agent |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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View History
142-83-6
分散红146
6-dimethoxy-3
C.I. Pigment Yellow 13
oxyzin(tabl.)
PHTHALIC ACID, BIS-BUTYL ESTER
Caproic acid ethyl ester
Bardac(R) 2240
Neomycin Sulfate
竹林胺
分散红146
6-dimethoxy-3
C.I. Pigment Yellow 13
oxyzin(tabl.)
PHTHALIC ACID, BIS-BUTYL ESTER
Caproic acid ethyl ester
Bardac(R) 2240
Neomycin Sulfate
竹林胺