Isobutyl propionate, 98%

About Isobutyl propionate, 98%

Isobutyl propionate is an aroma chemical (Synthesis grade) carrying the CAS registry number 540-42-1 with a typical assay of 98%. Its molecular formula is C7H14O2 and its molecular weight is 130.18 g/mol. Its systematic (IUPAC) name is 2-methylpropyl propanoate. Alternative names: Isobutyl propanoate and Propanoic acid, 2-methylpropyl ester.

In its supplied form it is a colourless liquid. Key physical data: a melting point of -71 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Key uses span flavour formulation, fragrance compounding, aroma research and food and flavour applications. Typical end-use sectors are food and beverage processing and cosmetics and personal care.

Available in 500 g, 5 kg and 25 kg packs, Isobutyl propionate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Flavour formulation
Fragrance compounding
Aroma research
Food & flavour applications

Industries

Specifications & identifiers

Chemical identifiers
Product name	Isobutyl propionate, 98%
Catalogue No.	VQ-019230
CAS Number	540-42-1
IUPAC name	2-methylpropyl propanoate
Molecular formula	C₇H₁₄O₂
Molecular weight	130.18 g/mol
Exact mass	130.0994
Grade	Synthesis
Purity / assay	98%
HSN code	29420090
InChIKey	FZXRXKLUIMKDEL-UHFFFAOYSA-N
SMILES	CCC(=O)OCC(C)C
PubChem CID	10895

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Melting point	-71 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
UN number	UN 2394
Synonyms	Isobutyl propanoate, Propanoic acid, 2-methylpropyl ester, Propionic acid, isobutyl ester, Propionic Acid Isobutyl Ester, 2-Methylpropyl propionate, 2-Methyl-1-propyl propanoate, iso-Butyl n-propionate, Isobutyl ester of propanoic acid, WE(3:0(2Me)/3:0), Isobutyl propionate (natural), Propanoic acid 2-methylpropyl ester, Isobutyl propionate, 98%

Safety & hazard information (GHS)

Flammable

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor

Precautionary statements: P210, P233, P240, P241, P242, P243, P280, P303 + P361 + P353, P370 + P378, P403 + P235, 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 Isobutyl propionate, 98%?

The CAS Registry Number of Isobutyl propionate, 98% is 540-42-1. It is also known as Isobutyl propanoate, Propanoic acid, 2-methylpropyl ester, Propionic acid, isobutyl ester.

What is the molecular formula and molecular weight of Isobutyl propionate, 98%?

Isobutyl propionate, 98% has the molecular formula C7H14O2 and a molecular weight of 130.18 g/mol. Its IUPAC name is 2-methylpropyl propanoate.

Which grade and pack sizes of Isobutyl propionate, 98% can I order?

We supply Isobutyl propionate, 98% in Synthesis (98%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Isobutyl propionate, 98%?

Yes. Every lot of Isobutyl propionate, 98% 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 Isobutyl propionate, 98% be shipped internationally?

Yes. Isobutyl propionate, 98% is classified as hazardous (UN 2394), 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.