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Solvents and Glycols

Styrene Monomer

Also known as: StyreneVinylbenzeneEthenylbenzene

Clear colourless liquid in a glass beaker
Representative appearance — not a photo of this lot
  • CAS100-42-5
  • EC202-851-5
  • Physical formLiquid

Monomer used in the production of polystyrene, ABS and unsaturated polyester resins.

Styrene is a colorless, flammable liquid monomer with a sweet odor. In the plastics and resin industry, it is the main raw material of polystyrene, ABS and unsaturated polyester resins. It is stored and transported with an inhibitor to prevent spontaneous polymerization.

Used in: Plastics and PolymersPaints, Coatings and Inks

Density0.906 g/mL
Boiling point145 °C
Flash point31 °C

Transport

ADR class
Class 3 — Flammable liquids
UN number
UN2055
Packing group
III

Hazard statements

  • H226Flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H361dSuspected of damaging the unborn child.
  • H372Causes damage to organs through prolonged or repeated exposure.

Precautionary statements

  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P261Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280Wear protective gloves/protective clothing/eye protection/face protection.
  • P304+P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P403+P235Store in a well-ventilated place. Keep cool.
  • Safety data sheet (SDS)On request by email
  • Technical data sheet (TDS)On request by email
  • Certificate of analysis (CoA)On request by email

Request the SDSRequest documents with a quote

Applications

Polystyrene production · ABS resin production · Unsaturated polyester resin production · Coatings and adhesives industry

Storage

Store in a cool, well-ventilated place · Keep away from heat and direct sunlight · Maintain the inhibitor level to prevent polymerization · Keep away from sources of fire

Packaging

Packed to your specification. Liquids and pastes are supplied in:

  • A blue 200-litre plastic drum
    Drums
  • IBC tote in a galvanised steel cage
    IBC totes
  • A white plastic jerrycan
    Jerrycans
  • Plain stainless steel road tanker
    Tankers

Tell us the packaging and quantity you need in your quote. Images show the packaging type, not this product.

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Styrene Monomer

CAS 100-42-5 · Liquid

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