Merck
CN
All Photos(3)

Documents

538701

Sigma-Aldrich

2-Ethylhexanoic acid

≥99%

Sign Into View Organizational & Contract Pricing
All Photos(3)
Synonym(s):
2-Ethylcaproic acid
Linear Formula:
CH3(CH2)3CH(C2H5)CO2H
CAS Number:
149-57-5
Molecular Weight:
144.21
Beilstein:
1750468
EC Number:
205-743-6
MDL number:
MFCD00002675
PubChem Substance ID:
24878352
NACRES:
NA.22

vapor density

4.98 (vs air)

Quality Level

200

vapor pressure

<0.01 mmHg ( 20 °C)
10 mmHg ( 115 °C)

Assay

≥99%

autoignition temp.

699 °F

expl. lim.

1.04 %, 135 °F
8.64 %, 188 °F

refractive index

n20/D 1.425 (lit.)

bp

228 °C (lit.)

density

0.903 g/mL at 25 °C (lit.)

SMILES string

CCCCC(CC)C(O)=O

InChI

1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10)

InChI key

OBETXYAYXDNJHR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

2-Ethylhexanoic acid (EHXA, 2-EHA) is an industrially important aliphatic carboxylic acid. It is widely employed as a stabilizer and a wood preservative.
It has various industrial applications, such as:
  • coolant in automotives
  • synthetic lubricant
  • wetting agent
  • co-solvent
  • drying of paints
  • defoaming agent in pesticides

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360D

Hazard Classifications

Repr. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

237.2 °F - closed cup

Flash Point(C)

114 °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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

The developmental toxicity of 2-ethylhexanoic acid in Wistar rats.
Pennanen S, et al.
Fundamental and Applied Toxicology, 19(4), 505-511 (1992)
Synthetic applications of 2-ethylhexanoic acid derived reagents.
Raju R and Prasad K.
Tetrahedron, 68(5), 1341-1349 (2012)
K J French et al.
Biochemistry, 40(32), 9532-9538 (2001-10-05)
This study examines the ability of P450cam to catalyze the formation of 2-ethylhexanoic acid from 2-ethylhexanol relative to its activity on the natural substrate camphor. As is the case for camphor, the P450cam exhibits stereoselectivity for binding (R)- and (S)-2-ethylhexanol.
Shashank Mishra et al.
Chemical Society reviews, 36(11), 1770-1787 (2008-01-25)
This critical review deals with the chemistry and applications of metal alkanoates with medium size (C5 to C12) carbon chain length. A particular emphasis is given to metal 2-ethylhexanoates, which find wide applications as metal-organic precursors in materials science, as
R Gaudin et al.
International archives of occupational and environmental health, 84(5), 523-531 (2010-08-31)
The aim of this study was to assess, by biological monitoring, workers' exposure to di(2-ethylhexyl) phthalate (DEHP) in the flexible-PVC industry in France to provide additional occupational exposure data, which are particularly scarce. Over 5 days of pre-and post-shift sampling
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service