4-Fluorophenylacetylene, 99%

Name: 4-Fluorophenylacetylene, 99%
Brand: Vaqora Chemicals
SKU: VQ-010673

About 4-Fluorophenylacetylene, 99%

4-Fluorophenylacetylene (CAS 766-98-3) is a fluorinated building block offered by Vaqora Chemicals, specified at 99% purity. With the molecular formula C8H5F, it has a molar mass of 120.12 g/mol. The IUPAC name is 1-ethynyl-4-fluorobenzene. Alternative names: Benzene, 1-ethynyl-4-fluoro- and (p-Fluorophenyl)acetylene.

In its supplied form it is a white to orange to green solid or liquid. Reported physical data include a melting point of 24-27 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis and catalysis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Available in 1 g, 5 g, 25 g and 100 g packs, 4-Fluorophenylacetylene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Fluorophenylacetylene, 99%
Catalogue No.	VQ-010673
CAS Number	766-98-3
IUPAC name	1-ethynyl-4-fluorobenzene
Molecular formula	C₈H₅F
Molecular weight	120.12 g/mol
Exact mass	120.0375
Purity / assay	99%
HSN code	29039990
InChIKey	QXSWHQGIEKUBAS-UHFFFAOYSA-N
SMILES	C#CC1=CC=C(C=C1)F
PubChem CID	522627

Physical properties
Physical form	Liquid
Appearance	White to orange to green solid or liquid
Melting point	24-27 °C
LogP (XLogP3)	2.3
H-bond donors / acceptors	0 / 1
TPSA	0 Å²
Synonyms	Benzene, 1-ethynyl-4-fluoro-, (p-Fluorophenyl)acetylene, 1-Ethynyl-4-fluoro-benzene, (4-fluorophenyl)acetylene, 4'-fluorophenyl acetylene, 1-Fluoro-4-ethynylbenzene, 4-ethynyl-1-fluorobenzene, 4-fluorophenyl acetylene, 4-Fluoro phenylacetylene, 1-Ethinyl-4-fluorobenzene, 1-Ethynyl-4-fluorobenzene #

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H228Flammable solid
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P240, P241, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P405, P501

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 4-Fluorophenylacetylene, 99%?

The CAS Registry Number of 4-Fluorophenylacetylene, 99% is 766-98-3. It is also known as Benzene, 1-ethynyl-4-fluoro-, (p-Fluorophenyl)acetylene, 1-Ethynyl-4-fluoro-benzene.

What is the molecular formula and molecular weight of 4-Fluorophenylacetylene, 99%?

4-Fluorophenylacetylene, 99% has the molecular formula C8H5F and a molecular weight of 120.12 g/mol. Its IUPAC name is 1-ethynyl-4-fluorobenzene.

Which grade and pack sizes of 4-Fluorophenylacetylene, 99% can I order?

We supply 4-Fluorophenylacetylene, 99% in (99%) grade, in 1 g, 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Fluorophenylacetylene, 99%?

Yes. Every lot of 4-Fluorophenylacetylene, 99% 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 4-Fluorophenylacetylene, 99% be shipped internationally?

Yes. 4-Fluorophenylacetylene, 99% 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.