trans-4-Phenyl-3-buten-2-one

About trans-4-Phenyl-3-buten-2-one

trans-4-Phenyl-3-buten-2-one is an impurity of Warfarin carrying the CAS registry number 1896-62-4. With the molecular formula C10H10O, it has a molar mass of 146.19 g/mol. Its systematic (IUPAC) name is (E)-4-phenylbut-3-en-2-one. Common synonyms include 4-Phenyl-3-buten-2-one and Benzylideneacetone.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Warfarin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Warfarin

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

Warfarin impurities

Specifications & identifiers

Chemical identifiers
Product name	trans-4-Phenyl-3-buten-2-one
Catalogue No.	VQ-019538
CAS Number	1896-62-4
IUPAC name	(E)-4-phenylbut-3-en-2-one
Molecular formula	C₁₀H₁₀O
Molecular weight	146.19 g/mol
Exact mass	146.0732
Grade	Reference Standard
HSN code	38229090
InChIKey	BWHOZHOGCMHOBV-BQYQJAHWSA-N
SMILES	CC(=O)/C=C/C1=CC=CC=C1
PubChem CID	637759

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	4-Phenyl-3-buten-2-one, Benzylideneacetone, Benzalacetone, Acetocinnamone, Benzylidene acetone, Styryl methyl ketone, 4-Phenylbutenone, Benzilideneacetone, Benzilidene acetone, 2-Phenylvinyl methyl ketone, Ketone, methyl styryl, Methyl 2-phenylvinyl ketone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P272, P280, P302 + P352, P321, P332 + P317, P333 + 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 trans-4-Phenyl-3-buten-2-one?

The CAS Registry Number of trans-4-Phenyl-3-buten-2-one is 1896-62-4. It is also known as 4-Phenyl-3-buten-2-one, Benzylideneacetone, Benzalacetone.

What is the molecular formula and molecular weight of trans-4-Phenyl-3-buten-2-one?

trans-4-Phenyl-3-buten-2-one has the molecular formula C10H10O and a molecular weight of 146.19 g/mol. Its IUPAC name is (E)-4-phenylbut-3-en-2-one.

What is trans-4-Phenyl-3-buten-2-one used for?

trans-4-Phenyl-3-buten-2-one is supplied as a characterised reference material related to Warfarin. 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 trans-4-Phenyl-3-buten-2-one can I order?

We supply trans-4-Phenyl-3-buten-2-one in Reference Standard grade, 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 trans-4-Phenyl-3-buten-2-one?

Yes. Every lot of trans-4-Phenyl-3-buten-2-one 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 trans-4-Phenyl-3-buten-2-one be shipped internationally?

Yes. trans-4-Phenyl-3-buten-2-one 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.