What is another name for styrene?

Jun 18, 2025Leave a message

Styrene, with CAS number 100-42-5, is a widely used chemical in the plastics and rubber industry. While "styrene" is its most common name, it also goes by several other names depending on the context - scientific, industrial, or trade-related.

 

Vinylbenzene
One of the most common alternative names for styrene is "vinylbenzene." This name directly reflects its chemical structure, as it consists of a benzene ring attached to a vinyl group. In academic research and chemical l
iterture, you'll often see styrene referred to as vinylbenzene. Chemists and researchers use this term to precisely describe the compound, highlighting its key functional groups for more accurate communication about reactions and properties.
 

Phenylethylene
"Phenylethylene" is another name used for styrene. This name emphasizes the two main parts of its structure: the phenyl group (derived from benzene) and the ethylene group. In industrial settings, especially when dealing with the synthesis or processing of styrene - based materials, you might hear the term phenylethylene. It's a way for engineers and technicians to refer to the chemical while discussing production processes, quality control, and product development.
 

Styrene monomer for polystyrene

 

Cinnamene (Obsolete Usage)
In the past, styrene was sometimes called "cinnamene." However, this name is now considered obsolete. It originated from the historical discovery and study of styrene, but as the understanding of its chemical structure and properties evolved, more accurate and widely - accepted names like vinylbenzene and phenylethylene took precedence. Still, if you come across older scientific texts or historical references, you may encounter the term cinnamene used to refer to styrene.

 

In manufacturing or shipping documents, styrene might be listed under:

  • SM (Styrene Monomer) – Often used in plastics and resin industries.
  • Monomeric styrene – To distinguish it from polymerized forms like polystyrene.

 

Why Do Multiple Names Matter?
Different countries and suppliers might use different names. For example:

  • A Chinese supplier may list it as "SM" or "styrene monomer".
  • A European buyer might search for "vinylbenzene" in their chemical inventory.

Knowing all possible names helps:

  • Avoid misunderstandings
  • Ensure correct HS codes

 

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Polystyrene Raw Material SM

 

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