Isopentanoic acid, 99%

Name: Isopentanoic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-019235

About Isopentanoic acid, 99%

Isopentanoic acid is an aroma chemical (Synthesis grade) carrying the CAS registry number 503-74-2 with a typical assay of 99%. Its molecular formula is C5H10O2 and its molecular weight is 102.13 g/mol. The IUPAC name is 3-methylbutanoic acid. Common synonyms include 3-Methylbutyric acid and Isopropylacetic acid.

The product is provided as a liquid. Reported physical data include a melting point of −29 °C and a boiling point of 175-177 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span flavour formulation, fragrance compounding, aroma research and cosmetics and personal care. Our customers for this product work in food and beverage processing and cosmetics and personal care.

Standard pack sizes are 500 mL and 200 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Flavour formulation
Fragrance compounding
Aroma research
Cosmetics & personal care

Industries

Specifications & identifiers

Chemical identifiers
Product name	Isopentanoic acid, 99%
Catalogue No.	VQ-019235
CAS Number	503-74-2
IUPAC name	3-methylbutanoic acid
Molecular formula	C₅H₁₀O₂
Molecular weight	102.13 g/mol
Exact mass	102.0681
Grade	Synthesis
Purity / assay	99%
HSN code	29159090
InChIKey	GWYFCOCPABKNJV-UHFFFAOYSA-N
SMILES	CC(C)CC(=O)O
PubChem CID	10430

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	−29 °C
Boiling point	175-177 °C
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
UN number	UN 3265
Synonyms	3-Methylbutyric acid, Isopropylacetic acid, Delphinic acid, Butanoic acid, 3-methyl-, Isovalerianic acid, Isobutylformic acid, beta-Methylbutyric acid, 3-methyl-butanoic acid, Acetic acid, isopropyl-, Butyric acid, 3-methyl-, Kyselina isovalerova, Isobutyl formic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, 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

Other grades of CAS 503-74-2

AR

Isopentanoic acid, AR

CAS: 503-74-2
Formula: C₅H₁₀O₂
MW: 102.13 g/mol

VQ-046487

Puriss

Isovaleric acid, 99%

CAS: 503-74-2
Formula: C₅H₁₀O₂
MW: 102.13 g/mol

VQ-003847

Frequently asked questions

What is the CAS number of Isopentanoic acid, 99%?

The CAS Registry Number of Isopentanoic acid, 99% is 503-74-2. It is also known as 3-Methylbutyric acid, Isopropylacetic acid, Delphinic acid.

What is the molecular formula and molecular weight of Isopentanoic acid, 99%?

Isopentanoic acid, 99% has the molecular formula C5H10O2 and a molecular weight of 102.13 g/mol. Its IUPAC name is 3-methylbutanoic acid.

Which grade and pack sizes of Isopentanoic acid, 99% can I order?

We supply Isopentanoic acid, 99% in Synthesis (99%) grade, in 500 mL, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Isopentanoic acid, 99%?

Yes. Every lot of Isopentanoic acid, 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 Isopentanoic acid, 99% be shipped internationally?

Yes. Isopentanoic acid, 99% is classified as hazardous (UN 3265), 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.