What is styrene monomer (C8H8)?
Styrene monomer is an industrial chemical derived from petroleum or natural gas by-products and which, under normal conditions, is a clear, colourless liquid.

Chemical & Physical Properties
- Appearance: Colorless, oily liquid
- Chemical Formula: C8H8
- Boiling Point: 145°C
- Melting Point: -30.6°C
- Density: 0.906 g/mL (at 20°C)
- Flash Point: 31°C
What are styrene monomers (C8H8) used for?
Styrene has a wide range of applications in the chemical industry, mainly as an important raw material for organic synthesis:
1.Polymer Industry
- In the polymer industry, Liquid Styrene Monomer for Resin plays a critical role as the base monomer material for synthesizing various polymers, the most common being polystyrene.
- Additionally, Styrene Monomer Liquid is used to synthesize other copolymers, such as acrylonitrile-styrene copolymers (SAN copolymers), offering excellent transparency and impact resistance.
2. Rubber Industry
- In the rubber sector, liquid styrene serves as one of the key raw materials for producing synthetic rubbers.
- These include styrene butadiene rubber (SBR) and butadiene rubber (BR), which are extensively used in tire manufacturing and industrial rubber products.
3. Fiber Industry
C8H8 Liquid Styrene is also used in the synthesis of synthetic fibers, such as polystyrene fibers.
These fibers are commonly applied in the production of clothing, household items, and various textile products due to their durability and light weight.
4. Organic Synthesis
In organic synthesis, liquid styrene functions as an essential intermediate for numerous organic compounds and specialty chemicals, serving as a cornerstone material in modern chemical manufacturing.
5. Construction and Automotive Industry
Polymers made from Styrene Monomer Liquid are widely applied in the construction and automotive industries, particularly in the production of thermal insulation materials, interior parts, and lightweight structural components.

Click here to get the latest global Styrene CAS: 100-42-5 market prices for 2026.





