4-Phenyl-3-butyn-2-one, 96%

Name: 4-Phenyl-3-butyn-2-one, 96%
Brand: Vaqora Chemicals
SKU: VQ-008046

About 4-Phenyl-3-butyn-2-one, 96%

Listed under CAS 1817-57-8, 4-Phenyl-3-butyn-2-one is a carbonyl building block available from Vaqora Chemicals with a typical assay of 96%. Its molecular formula is C10H8O and its molecular weight is 144.17 g/mol. Its systematic (IUPAC) name is 4-phenylbut-3-yn-2-one. Common synonyms include 3-Butyn-2-one, 4-phenyl- and PBYO cpd.

It is supplied as a colourless to yellow to green liquid. Literature values give a density of 0.99 g/mL at 25 °C. Recommended storage is at 2–8 °C, with the container kept tightly sealed. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis, condensation and reductive amination and API intermediates. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 4-Phenyl-3-butyn-2-one in 1 g, 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Phenyl-3-butyn-2-one, 96%
Catalogue No.	VQ-008046
CAS Number	1817-57-8
IUPAC name	4-phenylbut-3-yn-2-one
Molecular formula	C₁₀H₈O
Molecular weight	144.17 g/mol
Exact mass	144.0575
Purity / assay	96%
HSN code	29332990
InChIKey	UPEUQDJSUFHFQP-UHFFFAOYSA-N
SMILES	CC(=O)C#CC1=CC=CC=C1
PubChem CID	74555

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow to green liquid
Density	0.99 g/mL at 25 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Storage	2–8 °C
Synonyms	3-Butyn-2-one, 4-phenyl-, PBYO cpd, 1-Phenyl-1-butyn-3-one, acetylphenyl-acetylene, 4-phenyl-but-3-yn-2-one, 4-07-00-01175 (Beilstein Handbook Reference), 4-Phenyl-3-butyn-2-one, 96%, 3-?Butyn-?2-?one, 4-?phenyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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-Phenyl-3-butyn-2-one, 96%?

The CAS Registry Number of 4-Phenyl-3-butyn-2-one, 96% is 1817-57-8. It is also known as 3-Butyn-2-one, 4-phenyl-, PBYO cpd, 1-Phenyl-1-butyn-3-one.

What is the molecular formula and molecular weight of 4-Phenyl-3-butyn-2-one, 96%?

4-Phenyl-3-butyn-2-one, 96% has the molecular formula C10H8O and a molecular weight of 144.17 g/mol. Its IUPAC name is 4-phenylbut-3-yn-2-one.

Which grade and pack sizes of 4-Phenyl-3-butyn-2-one, 96% can I order?

We supply 4-Phenyl-3-butyn-2-one, 96% in (96%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Phenyl-3-butyn-2-one, 96%?

Yes. Every lot of 4-Phenyl-3-butyn-2-one, 96% 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-Phenyl-3-butyn-2-one, 96% be shipped internationally?

Yes. 4-Phenyl-3-butyn-2-one, 96% 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.

How should 4-Phenyl-3-butyn-2-one, 96% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.