Methoxyethene

ChemicalBook > CAS DataBase List > Methoxyethene

Product Name: Methoxyethene
CAS No.: 107-25-5
Chemical Name: Methoxyethene
Synonyms: mve;METHYL VINYL ETHER;VINYL METHYL ETHER;Ethenylmethylether;agrisynthmve;Ethene,methoxy-;1-Methoxyethylene;ether,ethenylmethyl;CH2=CHOCH3;methoxyethene
CBNumber: CB1428313
Molecular Formula: C3H6O
Formula Weight: 58.08
MOL File: 107-25-5.mol

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Methoxyethene Property

Melting point:: -122°C
Boiling point:: 6°C
Density: 0.7440
vapor pressure: 169.17kPa at 20℃
refractive index: 1.3947
Water Solubility: 17.1g/L at 25℃
LogP: 0.42 at 25℃
CAS DataBase Reference: 107-25-5(CAS DataBase Reference)
NIST Chemistry Reference: Ethene, methoxy-(107-25-5)
EPA Substance Registry System: Vinyl methyl ether (107-25-5)

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Safety

Hazard Codes: F+
Risk Statements: 12
Safety Statements: 9-16-33
RIDADR: UN 1087
HazardClass: 2.1
Hazardous Substances Data: 107-25-5(Hazardous Substances Data)
Toxicity: rabbit,LD50,skin,> 8gm/kg (8000mg/kg),GAF Material Safety Data Sheet.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H220Extremely flammable gas

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P377Leaking gas fire: Do not extinguish, unless leak can be stopped safely.

P381Eliminate all ignition sources if safe to do so.

P403Store in a well-ventilated place.

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N-Bromosuccinimide Price

American Custom Chemicals Corporation

Product number: CHM0077303
Product name: METHYL VINYL ETHER
Purity: 95.00%
Packaging: 1G
Price: $597.87
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0077303
Product name: METHYL VINYL ETHER
Purity: 95.00%
Packaging: 2.5G
Price: $746.88
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0077303
Product name: METHYL VINYL ETHER
Purity: 95.00%
Packaging: 5G
Price: $808.96
Updated: 2021/12/16

AHH

Product number: MT-19117
Product name: Methylvinylether
Purity: 98%
Packaging: 50g
Price: $765
Updated: 2021/12/16

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Methoxyethene Chemical Properties,Usage,Production

Description

Methoxyethene (MVE) is a colorless and flammable gas with a sweet and pleasant odor at room temperature. It is heavier than air and can diffuse to a relatively distant place at a lower place. MVE is soluble in ethanol, ether and acetone, but it is only slightly soluble in water. MVE is easily polymerized, so potassium hydroxide is often added as a polymerization inhibitor in the finished product.

Chemical Properties

Colorless compressed gas, or colorless liquid. Slightly soluble in water; soluble in alcohol and ether; easily polymerized. Commercial material contains a small proportion of polymerization inhibitor.

Uses

Methyl Vinyl Ether is a reagent in the preparation of sodium alginate interpolymer complexes, pH-tunable drug carries.

Uses

Copolymers used in coatings and lacquers; modifier for alkyl, polystyrene, and ionomer resins; plasticizer for nitrocellulose and adhesives.

General Description

A colorless gas with a sweet odor. Shipped as a liquefied gas under own vapor pressure. Contact with the liquid may cause frostbite. Easily ignited. Vapors are heavier than air. Leaks may either be liquid or vapor. May asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat containers may rupture violently and rocket.

Air & Water Reactions

Highly flammable. Reacts slowly with water to form acetaldehyde, reaction is not hazardous unless water is hot or acids are present. Form dangerous peroxides when exposed to air.

Reactivity Profile

Methoxyethene reacts vigorously with oxidizing materials. Explosive in the form of vapor when exposed to heat, flame or strong oxidizing agents. Reacts, possibly explosively with halogens (bromine, chlorine) or hydrogen halides (hydrogen bromide, hydrogen chloride) [Baker, 1980, p. 487]. On contact with dilute acids or even mildly acidic solids (calcium chloride, ceramics) undergoes rapid, exothermic homopolymerization, which cannot be prevented by antioxidants. Must be stored in the presence of base [MVE Brochure, Billingham, ICI, 1962].

Health Hazard

Inhalation causes intoxication, blurring of vision, headache, dizziness, excitation, loss of consciousness. Liquid or concentrated vapor irritates eyes and causes frostbite of skin. Aspiration of the liquid will cause chemical pneumonitis.

Fire Hazard

Behavior in Fire: Containers may explode. Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.

Flammability and Explosibility

Extremely flammable

Safety Profile

Mildly toxic by ingestion. A very dangerous fire hazard when exposed to heat, flame, or oxiduers. Explosive in the form of vapor when exposed to heat or flame. Can react vigorously with oxidizing materials. To fight fire, stop flow of gas. Potentially explosive reaction with halogens (e.g., bromine, chlorine) or hydrogen halides (e.g., hydrogen bromide, hydrogen chloride). Reaction with acids forms acetaldehyde. Weak acids catalyze the exothermic polymerization of the ether. The unstabilized ether can form dangerous peroxides. When heated to decomposition it emits acrid smoke and irritating fumes.

Synthesis

The industrial processes of MVE production include the acetylene route (Reppe process) and the acetal route according to the starting materials.A. Acetylene undergoes a nucleophilic addition reaction with methanol in the presence of a strong base to produce MVE. The original Reppe process was carried out at a temperature of 160–165 °C under a 2–2.2 MPa pressure. The most commonly used catalyst for this reaction was an alkali metal hydroxide or an alkali metal alkoxide. Acetylene was usually diluted by nitrogen. However, this process requires high temperature and high pressure, leading to a safety problem in handling acetylene gas under such conditions. Another method is an equimolar mixture of acetylene gas and vaporized methanol, which is introduced into a fixed-bed reactor filled with a ZnO/SiO2 catalyst. The reaction temperature was in the range of 200 to 270 °C. MVE is the main product, and a significant amount of by-product (dimethoxyethane) was also generated by an equilibrium reaction of MVE and methanol to dimethoxyethane.
B. MVE is prepared by pyrolysis of dimethyl acetal at high temperature in the presence of a solid catalyst. In general, the pyrolysis of dimethylacetal is carried out in the vapor phase. Dimethylacetal was vaporized and introduced into a fixed-bed reactor filled with calcium phosphate catalyst. In the reactor, dimethylacetal split into MVE and methanol at 320 °C and under atmospheric pressure. The conversion of dimethylacetal was 95%, and the selectivity to MVE was more than 98%.

Methoxyethene Preparation Products And Raw materials

Raw materials

Preparation Products

2-Undecenal 4-BROMO-PYRAN-2-ONE FENPICLONIL

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View Lastest Price from Methoxyethene manufacturers

Hebei Guanlang Biotechnology Co,.LTD

Product: Methoxyethene 107-25-5
Price: US $100.00-50.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2023-09-08

Hebei Guanlang Biotechnology Co., Ltd.

Product: Methoxyethene 107-25-5
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100 mt
Release date: 2021-08-04

Career Henan Chemical Co

Product: Methoxyethene 107-25-5
Price: US $1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100KGS
Release date: 2018-12-14

107-25-5, MethoxyetheneRelated Search:

N-VINYLFORMAMIDE VINYL PROPIONATE 4-(4-CHLORO-BENZYLOXY)-PHENYLAMINE 1-Bromo-2-methoxyethane Bromomethyl methyl ether 2-Methoxyethyl chloride Dimethyl ether Triethoxyvinylsilane Thiophanate-methyl N-Vinyl-2-pyrrolidone Tribenuron methyl METSULFURON METHYL Methyl salicylate Trichlorovinylsilane Kresoxim-methyl Cyclopentyl methyl ether 1-BUTEN-3-YNE Methyl

1-Methoxyethylene

agrisynthmve

CH2=CHOCH3

Ethene,methoxy-

VINYL METHYL ETHER

Vinyl methyl ether，inhibited

METHYL VINYL ETHER

Vinl methyl ether,inhibited

methylvinyloxide

mve

Metoxyethylene

Methyl vinyl ether(DownstreaM Products Cooperation Wanted)

Methyl Vinyl Ether ( Vinyl Methyl Ether )

methoxyethene

Ethenylmethylether

Ether, methyl vinyl

ether,ethenylmethyl

ether,methylvinyl

etherdemethyleetdevinyle

methoxy-ethen

Methoxyethylene

methylvinylethercyl.withnet~225g

Methoxyethene ISO 9001：2015 REACH

107-25-5

CH3OCHCH2