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109959

Sigma-Aldrich

2-Ethylbutyric acid

99%

Synonym(s):

Diethylacetic acid

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About This Item

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

vapor pressure

0.08 mmHg ( 20 °C)

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

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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.

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H311,H315,H319,H373

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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