Molekula
2-Chlorostyrene
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
2-Chlorostyrene is an organic compound featuring a chlorinated aromatic ring with a vinyl substituent, primarily used as an intermediate in pharmaceutical synthesis, agrochemicals, and specialty polymers. It is mainly used as a monomer for polychlorostyrene, a clear plastic with good foaming and flame-retardant properties, and in plastic composites manufacturing. It appears as a colorless to pale yellow liquid with a strong odor, highly reactive in polymerization and halogenation reactions. Catalogue details: CAS 2039-87-4, molecular formula C8H7Cl, molecular weight 138.59 g/mol. Requires refrigerated storage at 2–8°C. Hazard classification includes a **Danger** signal word due to acute toxicity and flammability. Molekula supplies 2-Chlorostyrene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 64920222
- CAS Number
- 2039-87-4
- IUPAC Name
- 1-chloro-2-ethenylbenzene
- EC Number
- 218-026-8
- Molecular Formula
- C8H7Cl
- Molecular Weight
- 138.59
- Exact Mass
- 138.0236
- SMILES
- C=CC1=CC=CC=C1Cl
- InChIKey
- ISRGONDNXBCDBM-UHFFFAOYSA-N
- InChI
- InChI=1S/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2
- PubChem CID
- 14906
Synonyms
- 1-chloro-2-ethenylbenzene
- 1-Chloro-2-vinylbenzene
- Benzene, 1-chloro-2-ethenyl-
- O-CHLOROSTYRENE
- o-Chlorovinylbenzene
- ortho-Chlorostyrene
- poly(2-chlorostyrene)
- Stryene, o-chloro-
- Styrene, 2-chloro-
- Styrene, o-chloro-
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Liquid
- Melting Point
- -63.1 °C
- Boiling Point
- 188.7 °C
- Density
- 1.1 (relative, water = 1)
- Vapour Pressure
- 0.13 kPa at 25 °C
- Refractive Index
- 1.5649
Source: PubChem CID 14906 (HSDB, ICSC)
Frequently asked questions
What is 2-Chlorostyrene primarily used for?
2-Chlorostyrene is commonly used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty polymers.
What is the chemical formula and molecular weight of 2-Chlorostyrene?
The chemical formula is **C₈H₇Cl** and the molecular weight is **138.59 g/mol**.
How should 2-Chlorostyrene be stored?
Store at **2–8°C** in a cool, dry place, away from incompatible substances like oxidizing agents, and ensure proper ventilation.
What grade or purity is available for 2-Chlorostyrene from Molekula?
We supply **technical grade** and **high-purity** (98%+ minimum) 2-Chlorostyrene; let us know your specific requirements.
Can Molekula supply 2-Chlorostyrene in bulk quantities?
Yes, we offer bulk packaging options—contact us for minimum order quantities and logistics details.
What documentation comes with an order of 2-Chlorostyrene?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Related products
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.