2-Undecanone, 99%

About 2-Undecanone, 99%

2-Undecanone is a carbonyl building block carrying the CAS registry number 112-12-9 with a typical assay of 99%. Formula C11H22O, molecular weight 170.29 g/mol. Its systematic (IUPAC) name is undecan-2-one. Alternative names: Methyl nonyl ketone and 2-Hendecanone.

It is supplied as a colourless to light yellow liquid. Literature values give a melting point of 11-13 °C and a density of 0.825 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Key uses span organic synthesis, condensation and reductive amination, API intermediates and food and flavour applications. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and food and beverage processing.

Available in 5 g and 25 g packs, 2-Undecanone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Food & flavour applications

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Undecanone, 99%
Catalogue No.	VQ-007961
CAS Number	112-12-9
IUPAC name	undecan-2-one
Molecular formula	C₁₁H₂₂O
Molecular weight	170.29 g/mol
Exact mass	170.1671
Purity / assay	99%
HSN code	29147090
InChIKey	KYWIYKKSMDLRDC-UHFFFAOYSA-N
SMILES	CCCCCCCCCC(=O)C
PubChem CID	8163

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow liquid
Melting point	11-13 °C
Density	0.825 g/mL at 25 °C
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	Methyl nonyl ketone, 2-Hendecanone, Rue ketone, Ketone, methyl nonyl, Nonyl methyl ketone, MGK Dog and Cat Repellent, 2-Oxoundecane, Methylnonylketone, Undecanone-(2), Methyl-n-nonylketone, Mgk dog & cat repellent, 2-Undecanone (natural)

Safety & hazard information (GHS)

Environmental hazard

Signal word: Warning

Hazard statements

H400Very toxic to aquatic life

Precautionary statements: P273, P391, 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 2-Undecanone, 99%?

The CAS Registry Number of 2-Undecanone, 99% is 112-12-9. It is also known as Methyl nonyl ketone, 2-Hendecanone, Rue ketone.

What is the molecular formula and molecular weight of 2-Undecanone, 99%?

2-Undecanone, 99% has the molecular formula C11H22O and a molecular weight of 170.29 g/mol. Its IUPAC name is undecan-2-one.

Which grade and pack sizes of 2-Undecanone, 99% can I order?

We supply 2-Undecanone, 99% in (99%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Undecanone, 99%?

Yes. Every lot of 2-Undecanone, 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 2-Undecanone, 99% be shipped internationally?

Yes. 2-Undecanone, 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.