butene
- CAS No.
- 25167-67-3
- Chemical Name:
- butene
- Synonyms
- N-BUTYLENE);butene ISO 9001：2015 REACH
- CBNumber:
- CB8917933
- Molecular Formula:
- C4H8
- Molecular Weight:
- 56.11
- MOL File:
- 25167-67-3.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/5/9 9:30:54
| Melting point | -145 °C |
|---|---|
| Boiling point | -1.3 °C |
| Density | 0.598[at 20℃] |
| vapor pressure | 837.25kPa at 25℃ |
| Water Solubility | 242.5mg/L at 25℃ |
| LogP | 2.35 at 20℃ |
| EPA Substance Registry System | Butene (25167-67-3) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS04 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H220-H280 | |||||||||
| Precautionary statements | P410+P403-P210-P377-P381-P403 | |||||||||
| NFPA 704 |
|
butene Chemical Properties,Uses,Production
Chemical Properties
A colorless liquefied petroleum gas. Soluble in most organic solvents; insoluble in water.
Uses
Polymer and alkylate gasoline; polybutenes; butadiene; intermediate for C 4 and C 5 aldehy- des, alcohols, and other derivatives; production of maleic anhydride by catalytic oxidation.
General Description
An easily liquefied colorless gas boiling from 20.7 to 38°F. Insoluble in water. Contact with the unconfined liquid can cause frostbite by evaporative cooling. Any leak can be either liquid or vapor. Can asphyxiate by the displacement of air. Under prolonged exposure to intense heat containers may rupture violently and rocket.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
butene may react vigorously with strong oxidizing agents. Easily ignited and burns well in air. Reacts exothermically with reducing agents to release gaseous hydrogen.
Hazard
Asphyxiant gas. Highly flammable, flammable limits in air 1.6–9.3% by volume. Dan- gerous fire and explosion risk.
Health Hazard
May act as an asphyxiant or slight anesthetic at high vapor concentrations. Vapor concentrations are not usually a hazard at room temperature except in enclosed spaces.
Fire Hazard
Behavior in Fire: Containers may explode in fire. Vapor is heavier than air and may travel long distance to a source of ignition and flash back.
Safety Profile
A simple asphyxlant. Very dangerous fire hazard when exposed to heat, flame, or oxidizers. To fight fire, stop flow of gas. Moderately explosive when exposed to flame. Mxtures with aluminum tetrahydroborate explode after an induction period. When heated to decomposition it emits acrid smoke and fumes.
butene Preparation Products And Raw materials
Raw materials
Preparation Products
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| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | China | 21669 | 55 | Inquiry |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 | China | 8930 | 58 | Inquiry |
| Shaanxi Dideu Newmaterial Co., Ltd. | 029-63373950 15353716720 | China | 10011 | 58 | Inquiry |
| SKC Inc. | 724-941-9701 | United States | 1379 | 76 | Inquiry |
| Praxair Polska Sp. z.o.o. | 56-2-779-5109 | United States | 80 | 82 | Inquiry |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | China | 42959 | 64 | Inquiry |
| Portail Substances Chimiques | 10 20 0000 | France | 6027 | 58 | Inquiry |