Allylbenzene
Allylbenzene (CAS: 300-57-2), with the molecular formula C6H5CH2CH=CH2 and a molecular weight of 118.18 g/mol, is an organic compound belonging to the alkene and acyclic hydrocarbon classes. It serves as a versatile building block in organic synthesis. Allylbenzene is utilised in chemical synthesis and research laboratories, contributing to the development of more complex organic molecules and materials.
- IUPAC
- 3-Phenyl-1-propene
- Synonyms
- 3-Phenyl-1-propene

Organic Synthesis Intermediate
Allylbenzene acts as a fundamental building block in the synthesis of various organic compounds. Its reactive allyl group allows for diverse chemical transformations, making it valuable in research and development settings.
Chemical Research Reagent
This compound is employed as a reagent in chemical research to explore new synthetic pathways and develop novel chemical entities. Its structure provides a unique starting point for complex molecular architectures.
Material Science Precursor
Allylbenzene can be investigated as a potential precursor in the development of specialized polymers and materials. Its unsaturated nature offers opportunities for polymerization and cross-linking reactions.
| Molecular weight | 118.18 |
|---|---|
| Linear formula | C6H5CH2CH=CH2 |
| Assay | 98% |
| Boiling point | 156-157 °C(lit.) |
| Density | 0.892 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.511(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
Precautionary statements
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 40 °C / 104 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-65 |
| Safety statements (S) | 23-24/25-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Allylbenzene used for?
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Allylbenzene (CAS: 300-57-2) is primarily used as a building block in organic synthesis and as a reagent in chemical research for developing new organic molecules and materials.
What is the CAS number and molecular formula for Allylbenzene?
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The CAS number for Allylbenzene is 300-57-2, and its molecular formula is C6H5CH2CH=CH2.
What grade and purity does Tech Serve Solutions supply for Allylbenzene?
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Tech Serve Solutions supplies Allylbenzene with an assay of 98%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and technical applications.
How should Allylbenzene be handled safely?
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Allylbenzene is a flammable liquid and vapour (H226) and may be fatal if swallowed and enters airways (H304). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection. Store away from heat and ignition sources.
Is Allylbenzene a controlled substance?
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The provided data does not indicate that Allylbenzene (CAS: 300-57-2) is a controlled substance.
How is Allylbenzene packed, shipped, and exported by TSS?
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Allylbenzene is shipped according to its hazard classification (UN 3295, Class 3, PGIII). TSS, as a global supplier, exports chemicals adhering to international shipping regulations.
How can I request a sample or quote for Allylbenzene?
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To request a sample or quote for Allylbenzene, please contact the Tech Serve Solutions sales team through our official website or listed contact details.
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