2-Methyl-2-butene
- Product Name2-Methyl-2-butene
- CAS513-35-9
- CBNumberCB6853712
- MFC5H10
- MW70.13
- EINECS208-156-3
- MDL NumberMFCD00009276
- MOL File513-35-9.mol
Chemical Properties
| Melting point: | −134 °C (−209 °F; 139 K) |
| Boiling point: | 39 °C (102 °F; 312 K) |
| Density | 0.662 g/cm3 |
| vapor density | 2.4 (vs air) |
| vapor pressure | 25.7 psi ( 55 °C) |
| RTECS | EM7580000 |
| refractive index | 1.385 |
| Flash point: | < −45 °C (−49 °F; 228 K) |
| storage temp. | 2-8°C |
| solubility | Chloroform, Methanol (Slightly) |
| form | liquid |
| color | Colorless |
| explosive limit | 8.7% |
| Water Solubility | Miscible with alcohol, benzene, ligroin, ethylene oxide and ether. Immiscible with water. |
| Specific Heat Capacity | Cp(liquid): 2.18 J/(g·K), at 25℃ |
| Merck | 14,607 |
| BRN | 1361353 |
| Henry's Law Constant | 5.7×10-5 mol/(m3Pa) at 25℃, Brockbank (2013) |
| Dielectric constant | 2.1(20℃) |
| Stability: | Volatile |
| InChI | 1S/C5H10/c1-4-5(2)3/h4H,1-3H3 |
| InChIKey | BKOOMYPCSUNDGP-UHFFFAOYSA-N |
| SMILES | C\C=C(\C)C |
| LogP | 2.67 |
| CAS DataBase Reference | 513-35-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butene, 2-methyl-(513-35-9) |
| EPA Substance Registry System | 2-Methyl-2-butene (513-35-9) |
Safety
| Symbol(GHS) |
![]() ![]() ![]() ![]() GHS02,GHS07,GHS08,GHS09 |
|||||||||
| Signal word | Danger | |||||||||
| Hazard statements | H302-H315-H341-H351-H336-H304-H411-H225 | |||||||||
| Precautionary statements | P501-P261-P273-P270-P202-P240-P210-P233-P201-P243-P241-P242-P271-P264-P280-P370+P378-P391-P331-P308+P313-P362+P364-P303+P361+P353-P332+P313-P301+P310-P304+P340+P312-P403+P233-P403+P235-P405 | |||||||||
| target organs | Central nervous system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | F,Xn,N,F+ | |||||||||
| Risk Statements | 11-22-65-51/53-12-36/37/38-19-68-67-38-52/53-40-36/37 | |||||||||
| Safety Statements | 45-9-61-33-16-36/37/39-26-62-36/37 | |||||||||
| RIDADR | UN 2460 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 2901299090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications |
Acute Tox. 4 Oral Aquatic Chronic 2 Asp. Tox. 1 Flam. Liq. 1 Muta. 2 STOT SE 3 |
|||||||||
| Hazardous Substances Data | 513-35-9(Hazardous Substances Data) | |||||||||
| REACH Registrations | Inactive | |||||||||
| 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: |
|



