2-Ethylbutyric acid (CAS 88-09-5) Sigma-Aldrich

2-Ethylbutyric acid molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of 2-Ethylbutyric acid (CAS 88-09-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	88-09-5
Molecular formula	C6H12O2
Molecular weight	116.16 g/mol
IUPAC name	2-ethylbutanoic acid
Synonyms	2-Ethylbutanoic acid · Diethylacetic acid · Butanoic acid, 2-ethyl- · 3-Pentanecarboxylic acid · Acetic acid, diethyl- · Butyric acid, 2-ethyl-

Safety & Hazards (GHS) Danger

Acute toxic

H311 Toxic in contact with skin
H319 Causes serious eye irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	2-ETHYLBUTYRIC ACID, 99%	109959-100ML 109959-1L	Request Quote
Sigma	2-ETHYLBUTYRIC ACID, >=98%, FCC, FG	W242918-1KG W242918-5KG W242918-SAMPLE	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.