3,4-Dimethoxystyrene
3,4-Dimethoxystyrene (CAS 6380-23-0) is an organic compound with the molecular formula C10H12O2 and a molecular weight of 164.20 g/mol. It is a functionalized styrene monomer utilized in materials science and polymer chemistry. This technical grade chemical, containing 1% hydroquinone as an inhibitor, serves as a building block for specialized polymers and organic synthesis, contributing unique properties to advanced materials.
- Synonyms
- (CH3O)2C6H3CH=CH2

Polymer Synthesis
As a styrene derivative, 3,4-Dimethoxystyrene can undergo polymerization reactions to form specialty polymers with potentially unique electronic or optical properties due to the methoxy substituents on the aromatic ring.
Organic Synthesis Intermediate
This compound can be employed as an intermediate in the synthesis of more complex organic molecules. Its reactive vinyl group and electron-rich aromatic ring make it a versatile substrate for various chemical transformations.
Materials Science Research
It is used in materials science research to develop novel materials. The incorporation of this monomer can influence the physical and chemical characteristics of resulting polymers, such as their refractive index or thermal stability.
| Molecular weight | 164.20 |
|---|---|
| Linear formula | (CH3O)2C6H3CH=CH2 |
| Grade | technical grade |
| Boiling point | 120-125 °C/10 mmHg(lit.) |
| Density | 1.109 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.571(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 1% hydroquinone as inhibitor |


Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H341Suspected of causing genetic defects
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 36-40-43-68 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,4-Dimethoxystyrene used for?
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3,4-Dimethoxystyrene is primarily used in polymer synthesis and as an intermediate in organic synthesis for materials science research.
What is the CAS number and chemical formula for 3,4-Dimethoxystyrene?
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The CAS number for 3,4-Dimethoxystyrene is 6380-23-0, and its linear formula is (CH3O)2C6H3CH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dimethoxystyrene in technical grade. We do not represent this product as USP, EP, or BP grade.
How should 3,4-Dimethoxystyrene be handled safely?
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Handling requires caution due to hazards including skin irritation (H317), serious eye irritation (H319), and suspected genetic defects and cancer (H341, H351). Use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area. Store at 2-8°C.
How is 3,4-Dimethoxystyrene packed and exported?
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3,4-Dimethoxystyrene is carefully packed to maintain its integrity and inhibitor content during transit. Tech Serve Solutions is a global supplier and exporter, adhering to international shipping regulations.
How can I request a quote or sample of 3,4-Dimethoxystyrene?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (6380-23-0).
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