4-Methoxystyrene
- Product Name
- 4-Methoxystyrene
- CAS No.
- 637-69-4
- Chemical Name
- 4-Methoxystyrene
- Synonyms
- 4-VINYLANISOLE;P-METHOXYSTYRENE;vinylanisole;4-Vinylanisol;p-Vinylanisole;4-METHOXYSTYRENE;p-Anisylethylene;Anisole, p-vinyl-;PARA-METHOXYSTYRENE;4-Methoxystyrene,98%
- CBNumber
- CB5246416
- Molecular Formula
- C9H10O
- Formula Weight
- 134.18
- MOL File
- 637-69-4.mol
4-Methoxystyrene Property
- Melting point:
- 2°C
- Boiling point:
- 41-42 °C/0.5 mmHg (lit.)
- Density
- 1.009 g/mL at 25 °C (lit.)
- refractive index
- n20/D 1.562
- Flash point:
- 170 °F
- storage temp.
- Store at <= 20°C.
- solubility
- Slightly miscible with methanol.
- form
- Liquid
- Specific Gravity
- 1.009
- color
- Clear colorless to yellow
- Odor
- sweet
- BRN
- 1098935
- LogP
- 2.874 (est)
- CAS DataBase Reference
- 637-69-4(CAS DataBase Reference)
- NIST Chemistry Reference
- Benzene, 1-ethenyl-4-methoxy-(637-69-4)
- EPA Substance Registry System
- Benzene, 1-ethenyl-4-methoxy- (637-69-4)
Safety
- Safety Statements
- 23-24/25
- WGK Germany
- 3
- HS Code
- 29093090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H227Combustible liquid
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378In case of fire: Use … for extinction.
P403+P235Store in a well-ventilated place. Keep cool.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 141003
- Product name
- 4-Vinylanisole
- Purity
- 97%
- Packaging
- 5g
- Price
- $143
- Updated
- 2024/03/01
- Product number
- 141003
- Product name
- 4-Vinylanisole
- Purity
- 97%
- Packaging
- 25g
- Price
- $239.4
- Updated
- 2024/03/01
- Product number
- M0130
- Product name
- 4-Methoxystyrene (stabilized with TBC)
- Purity
- >98.0%(GC)
- Packaging
- 10mL
- Price
- $99
- Updated
- 2024/03/01
- Product number
- M0130
- Product name
- 4-Methoxystyrene (stabilized with TBC)
- Purity
- >98.0%(GC)
- Packaging
- 25mL
- Price
- $198
- Updated
- 2024/03/01
- Product number
- B22353
- Product name
- 4-Methoxystyrene, 98%, stab. with 0.1% 4-tert-butylcatechol
- Packaging
- 5g
- Price
- $69.6
- Updated
- 2024/03/01
4-Methoxystyrene Chemical Properties,Usage,Production
Description
4-Methoxystyrene (Para-methoxystyrene) is an important chemical raw material, can replace styrene compounds, and is widely applied to various fields such as a light polymerization inhibitor, a material, a medical intermediate, a pesticide, an adhesive, a coating, a sun-screening agent and the like. Besides, the p-methoxystyrene can be used as a polymerization monomer to synthesize polymers with different structures, and the synthesized polymer contains a protecting group which is easily subjected to acidolysis by light so that the p-methoxystyrene can be used as an excellent corrosion-resistant material to be applied to the electronic information industry.
Chemical Properties
CLEAR COLOURLESS LIQUID
Uses
4-Methoxystyrene is employed in the ferric chloride-catalyzed addition of activated methylenes to styrenes. It acts as a monomer in polymerization reactions. Further, it is used to prepare 1,1,2,2-Tetracyano-3-(p-methoxyphenyl)cyclobutane by reacting with ethenetetracarbonitrile.
Synthesis Reference(s)
Chemistry Letters, 13, p. 1897, 1984
The Journal of Organic Chemistry, 52, p. 422, 1987 DOI: 10.1021/jo00379a020
Tetrahedron Letters, 35, p. 8773, 1994 DOI: 10.1016/S0040-4039(00)78494-2
Synthesis
The current methods for synthesizing 4-Methoxystyrene mainly comprise:
P-methoxy styrene is prepared by taking p-methoxy benzyl alcohol as a raw material and reacting with triphenylphosphine, formaldehyde and hydrobromic acid through the Wittig reaction.
P-methoxyacetophenone is used as a raw material, reduced to 1- (4-methoxyphenyl) ethanol by potassium borohydride, esterified with excessive potassium bisulfate in cyclohexane to generate sulfonic acid-1- (4-methoxyphenyl) ethyl ester, and finally subjected to elimination reaction to obtain 4-Methoxystyrene.
In 2021, an invention discloses a method for synthesizing 4-methoxystyrene, which comprises the steps of using p-methoxyacetophenone as a raw material, firstly carrying out hydrogenation reduction to generate 1- (4-methoxyphenyl) ethanol, then carrying out dehydration elimination reaction to obtain a crude product, and finally rectifying to obtain the 4-methoxystyrene. The invention adopts a catalytic hydrogenation method to get the intermediate 1- (4-methoxyphenyl) ethanol. The reaction selectivity of the step is excellent and can reach 98-99%, and meanwhile, hydrogen is used as a cleaning gas so that environmental pollution is avoided and industrial production is facilitated.
4-Methoxystyrene Preparation Products And Raw materials
Raw materials
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View Lastest Price from 4-Methoxystyrene manufacturers
- Product
- 4-Methoxystyrene 637-69-4
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 99%+
- Supply Ability
- 1000000kg per Month
- Release date
- 2023-04-10
- Product
- 4-Methoxystyrene 637-69-4
- Price
- US $200.00/KG
- Min. Order
- 1KG
- Purity
- 0.98
- Supply Ability
- 20 tons
- Release date
- 2024-06-03
- Product
- 4-Methoxystyrene 637-69-4
- Price
- US $100.00-1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2023-12-25