Name: Styrene
SKU: 0

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Styrene

CAS No.: 100-42-5
Molecular Formula:C8H8
Molecular Weight: 104.14912

+86 18765828098

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Product Introduction

Styrene is an organic compound with the chemical formula C8H8; its structure comprises a benzene ring and a vinyl group. Also known as vinylbenzene or cinnamene (CAS No. 100-42-5), it is a colorless, transparent, and flammable liquid at room temperature. It has a density of 0.906 g/cm³, is insoluble in water but soluble in most organic solvents (such as ethanol and diethyl ether), and serves as an important monomer for the production of synthetic resins, ion-exchange resins, and synthetic rubber.

CHEMICAL PROPERTIES

English Name	Styrene / Ethenylbenzene
Alias	Vinylbenzene
Chemical Formula	C₈H₈
Molecular Weight	104.15 g/mol
CAS Number	100-42-5
EINECS Number	202-851-5
Melting Point	-31.5 °C
Boiling Point	145.2 °C
Water Solubility	0.3 g/L
Density	0.906 g/cm³
Appearance	Colorless transparent oily liquid
Flash Point	31.1 °C
Applications	Used for manufacturing polystyrene, synthetic rubber, ion exchange resins, etc.
Safety Symbols	S7; S16; S23; S26; S36/37; S45
Hazard Symbols	Xn (Harmful)
Hazard Statements	R10; R20; R36/38
UN Dangerous Goods Number	2055
Refractive Index	1.546 (at 20°C)
Saturated Vapor Pressure	0.7 kPa (at 20°C)
Critical Temperature	369 °C
Critical Pressure	3.81 MPa
Ignition Temperature	490 °C
Upper Explosive Limit	8.0%
Lower Explosive Limit	1.1%
Solubility	Insoluble in water; soluble in ethanol, ether and most organic solvents
Viscosity	0.696 mPa·s (at 25°C)
Heat of Vaporization (25°C)	43.96 kJ/mol
Heat of Fusion	10.95 kJ/mol
Heat of Formation	147.46 kJ/mol (gas, 25°C); 103.96 kJ/mol (liquid, 25°C)

PRODUCT USAGE

Polymer Industry: In the polymer industry, styrene serves as a crucial monomer for synthesizing target polymers, the most common of which is polystyrene (PS). Polystyrene is a widely used plastic characterized by high transparency, excellent mechanical properties, and strong chemical resistance; it finds extensive application in areas such as food packaging, electrical appliance housings, and toys. Additionally, styrene is used to synthesize other copolymers, such as acrylonitrile-styrene copolymer (SAN copolymer).

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.