trans-2-Methyl-2-butenal
- Product Nametrans-2-Methyl-2-butenal
- CAS497-03-0
- CBNumberCB7276338
- MFC5H8O
- MW84.12
- EINECS207-833-0
- MDL NumberMFCD00006977
- MOL File497-03-0.mol
Chemical Properties
| Melting point: | −78 °C (−108 °F; 195 K) |
| Boiling point: | 116 to 119 °C (241 to 246 °F; 389 to 392 K) (752 mm Hg) |
| Density | 0.871 |
| refractive index | n 20/D 1.448 (lit.) || n 20/D 1.448 |
| FEMA | 3407 | 2-METHYL-2-BUTENAL |
| Flash point: | 65 °C (149 °F; 338 K) |
| storage temp. | Flammables area |
| solubility | soluble in Chloroform |
| form | liquid |
| color | colorless |
| Odor | at 0.10%indipropylene glycol. strong green fruit |
| biological source | synthetic |
| Water Solubility | Soluble in water |
| Sensitive | Air Sensitive |
| JECFA Number | 1201 |
| BRN | 1698207 |
| Stability: | Air sensitive, Light Sensitive |
| Major Application | flavors and fragrances |
| InChI | 1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3/b5-3+ |
| InChIKey | ACWQBUSCFPJUPN-HWKANZROSA-N |
| SMILES | C\C=C(/C)C=O |
| LogP | 1.065 (est) |
| CAS DataBase Reference | 497-03-0(CAS DataBase Reference) |
| EPA Substance Registry System | trans-2-Methylcrotonaldehyde (497-03-0) |
Safety
| Symbol(GHS) |
![]() ![]() GHS02,GHS07 |
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| Signal word | Danger | |||||||||
| Hazard statements | H225-H315-H319-H335 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P303+P361+P353-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | F,Xi | |||||||||
| Risk Statements | 11-36/37/38-10 | |||||||||
| Safety Statements | 16-26-36 | |||||||||
| RIDADR | UN 1989 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 2912190090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications |
Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |
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| Limited Quantities | 1.0 L (0.3 gallon) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704: |
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