4-Methyl-1-pentene
- CAS No.
- 691-37-2
- Chemical Name:
- 4-Methyl-1-pentene
- Synonyms
- 4-methylpent-1-ene;1-Pentene,4-methyl-;1-Isohexene;l-iso-Hexene;Isobutylethene;4-methylamylene;4-METHYLPENTENE;isobutylethylene;4-METHYLPENTENES;ixo-Butylethylene
- CBNumber:
- CB8854122
- Molecular Formula:
- C6H12
- Molecular Weight:
- 84.16
- MOL File:
- 691-37-2.mol
- MSDS File:
- SDS
- Modify Date:
- 2025/1/27 9:38:02
| Melting point | -155 °C |
|---|---|
| Boiling point | 53-54 °C(lit.) |
| Density | 0.665 g/mL at 25 °C(lit.) |
| vapor density | >1 (vs air) |
| vapor pressure | 4.45 psi ( 20 °C) |
| refractive index |
n |
| Flash point | −25 °F |
| storage temp. | 0-6°C |
| solubility | Soluble in alcohol, benzene, chloroform, petroleum (Weast, 1986); miscible in pentene, hexane, and heptene. |
| form | Liquid |
| color | Colorless |
| Water Solubility | Soluble in alcohol, benzene, chloroform, petroleum ether. Insoluble in water. |
| BRN | 1731096 |
| Henry's Law Constant | 0.615 atm?m3/mol at 25 °C (Hine and Mookerjee, 1975) |
| LogP | 3.38 |
| CAS DataBase Reference | 691-37-2(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Methyl-1-pentene (691-37-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS02 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P242-P243 | |||||||||
| Hazard Codes | F,Xn | |||||||||
| Risk Statements | 11-65 | |||||||||
| Safety Statements | 9-16-29-33-62 | |||||||||
| RIDADR | UN 3295 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| Autoignition Temperature | 572 °F | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29012900 | |||||||||
| NFPA 704 |
|
4-Methyl-1-pentene price More Price(7)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | M67400 | 4-Methyl-1-pentene 98% | 691-37-2 | 25G | ₹6740.4 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 68510 | 4-Methyl-1-pentene analytical standard | 691-37-2 | 5ML | ₹6391.05 | 2022-06-14 | Buy |
| ALFA India | ALF-033029-30 | 4-Methyl-1-pentene, 98+% | 691-37-2 | 250g | ₹61361 | 2022-05-26 | Buy |
| ALFA India | ALF-033029-18 | 4-Methyl-1-pentene, 98+% | 691-37-2 | 50g | ₹11145 | 2022-05-26 | Buy |
| TCI Chemicals (India) | M0392 | 4-Methyl-1-pentene min. 97.0 % | 691-37-2 | 25ML | ₹4400 | 2022-05-26 | Buy |
4-Methyl-1-pentene Chemical Properties,Uses,Production
Chemical Properties
clear colourless liquid
Uses
4-Methyl-1-pentene is used as a monomer for olefin polymerisation. The resulting polymer is poly(4-methyl-1-pentene). It can also be used to produce 1,2-diiodo-4-methyl-pentane.
General Description
Colorless liquid.
Air & Water Reactions
Highly flammable. Water insoluble.
Reactivity Profile
The unsaturated aliphatic hydrocarbons, such as 4-Methyl-1-pentene, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions.
Hazard
Same as for 2-methyl-1-pentene.
Health Hazard
Harmful if inhaled or swallowed. Vapor or mist is irritating to the eyes, mucous membrane and upper respiratory tract. Causes skin irritation. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.
Fire Hazard
Special Hazards of Combustion Products: Vapors may travel considerable distance to source of ignition and flashback. Container explosion may occur under fire conditions. Forms explosive mixtures in air.
Environmental Fate
Photolytic. Atkinson and Carter (1984) reported a rate constant of 1.06 x 10-16 cm3/molecule?sec
for the reaction of 4-methyl-1-pentene in the atmosphere.
Chemical/Physical. Complete combustion in air yields carbon dioxide and water.
4-Methyl-1-pentene Preparation Products And Raw materials
Raw materials
Preparation Products
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