1-Ethyl-4-vinylbenzene

Name: 1-Ethyl-4-vinylbenzene
Brand: Vaqora Chemicals
SKU: VQ-049504

About 1-Ethyl-4-vinylbenzene

1-Ethyl-4-vinylbenzene (CAS 3454-07-7) is a process intermediate or related compound of Allopurinol offered by Vaqora Chemicals. Its molecular formula is C10H12 and its molecular weight is 132.2 g/mol. Its systematic (IUPAC) name is 1-ethenyl-4-ethylbenzene. Alternative names: p-Ethylstyrene and p-Ethylvinylbenzene.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Allopurinol, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 1-Ethyl-4-vinylbenzene in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Allopurinol

View every impurity, metabolite and intermediate we list for Allopurinol.

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	1-Ethyl-4-vinylbenzene
Catalogue No.	VQ-049504
CAS Number	3454-07-7
IUPAC name	1-ethenyl-4-ethylbenzene
Molecular formula	C₁₀H₁₂
Molecular weight	132.2 g/mol
Exact mass	132.0939
InChIKey	WHFHDVDXYKOSKI-UHFFFAOYSA-N
SMILES	CCC1=CC=C(C=C1)C=C
PubChem CID	18940

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	p-Ethylstyrene, p-Ethylvinylbenzene, Styrene, p-ethyl-, Benzene, 1-ethenyl-4-ethyl-, 4-Ethenylstyrene, Benzene,1-ethenyl-4-ethyl-, p-ethyl-styrene, 1-ethyl-4-ethenylbenzene, 4-Ethyl-1-ethenyl benzene

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P301 + P316, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P331, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1-Ethyl-4-vinylbenzene?

The CAS Registry Number of 1-Ethyl-4-vinylbenzene is 3454-07-7. It is also known as p-Ethylstyrene, p-Ethylvinylbenzene, Styrene, p-ethyl-.

What is the molecular formula and molecular weight of 1-Ethyl-4-vinylbenzene?

1-Ethyl-4-vinylbenzene has the molecular formula C10H12 and a molecular weight of 132.2 g/mol. Its IUPAC name is 1-ethenyl-4-ethylbenzene.

What is 1-Ethyl-4-vinylbenzene used for?

1-Ethyl-4-vinylbenzene is supplied as a characterised reference material related to Allopurinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1-Ethyl-4-vinylbenzene can I order?

We supply 1-Ethyl-4-vinylbenzene, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Ethyl-4-vinylbenzene?

Yes. Every lot of 1-Ethyl-4-vinylbenzene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1-Ethyl-4-vinylbenzene be shipped internationally?

Yes. 1-Ethyl-4-vinylbenzene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.