109959

2-Ethylbutyric acid

99%

• Synonym(s): Diethylacetic acid
• Linear Formula: (C₂H₅)₂CHCO₂H
• CAS Number: 88-09-5
• Molecular Weight: 116.16
• Beilstein: 1098634
• EC Number: 201-796-4
• MDL number: MFCD00002670
• UNSPSC Code: 12352100
• PubChem Substance ID: 24846948
• NACRES: NA.22

Properties

• vapor pressure: 0.08 mmHg ( 20 °C)
• Quality Level: 100
• Assay: 99%
• refractive index: n20/D 1.413 (lit.)
• bp: 99-101 °C/18 mmHg (lit.)
• mp: −16-−13 °C (lit.)
• density: 0.92 g/mL at 25 °C (lit.)
• SMILES string: CCC(CC)C(O)=O
• InChI: 1S/C6H12O2/c1-3-5(4-2)6(7)8/h5H,3-4H2,1-2H3,(H,7,8)
• InChI key: OXQGTIUCKGYOAA-UHFFFAOYSA-N

Description

Application

2-Ethylbutyric acid is used as the internal standard for determining volatile fatty acids (VFAs) in wastewater from the constructed wetlands. It is used in the determination of both free and fatty acids in milk and milk products by HPLC method with direct derivatisation.

Safety Information

• Pictograms: GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H311,H315,H319,H373
• Precautionary Statements: P260 - P264 - P280 - P302 + P352 + P312 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 3 Dermal - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 2 Oral
• Target Organs: Blood,Liver,Kidney
• Storage Class Code: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): 188.6 °F - closed cup
• Flash Point(C): 87 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves