2-Ethylhexanoic Acid
Branched C8 Acid for Metal Carboxylates, Lubricant Esters and PVC Stabilizers
CAS 149-57-5
2-Ethylhexanoic Acid (2-EHA) is a branched C8 carboxylic acid used in metal carboxylate chemistry, synthetic lubricant esters, coatings, PVC stabilizers, and industrial intermediates.
Why 2-Ethylhexanoic Acid
- High acid value supports metal-carboxylate and esterification reactions
- High purity and low color suit clear and color-sensitive formulations
- Branched C8 acid for coatings, PVC stabilizers, and synthetic lubricant esters
Technical Data
Chemical Properties
| Molecular Formula | C8H16O2 |
|---|---|
| Molecular Weight | 144.21 g/mol |
| Acid Value | >=385 mg KOH/g (GB/T 7304-2014) |
| Purity | >=99.5 wt% (GB/T 9722, GC) |
| Color (Pt/Co) | <=10 (GB/T 3143) |
| Density | 0.905-0.910 g/cm3 at 20°C (GB/T 4472-2011) |
| Boiling Point | 223°C at 760 mmHg |
| Melting Point | -83°C |
| Closed Cup Flash Point | 118.3°C |
| Refractive Index | 1.425 n(20°C/D) |
| Moisture | <=0.1 wt% |
Typical chemical properties for product identification and formulation planning.
Functions
Applications
Typical Applications
Coatings, Resins & Paints
Metal salts are used as driers in paints, inks, varnishes, enamels, and alkyd resin systems.
Lubricants & Metalworking
Used as an acid intermediate for synthetic lubricant esters and automotive-coolant systems.
PVC / Polymer Additives
Used in PVC stabilizers to help prevent heat decomposition.
Product Family
Related in Branched Carboxylic Acids
Technical Documents
Documentation
Document request status
Logistics
Packaging & Storage
Packaging options
- 900 kg IBC tote
- Bulk ISO tank
Storage
Keep containers tightly closed in a cool, dry, well-ventilated area. Keep away from heat, ignition sources, food, incompatible materials, and strong oxidizing agents.
FAQ
Frequently asked questions
What is 2-Ethylhexanoic Acid used for?
2-EHA is primarily used to produce metal carboxylates (paint driers), PVC heat stabilizers, and synthetic lubricant esters. It is also a key intermediate in coatings, plasticizers, and specialty chemical formulations.
How should 2-Ethylhexanoic Acid be stored?
Store tightly closed in a cool, dry, well-ventilated area away from heat and ignition sources.
What packaging is used?
2-EHA is packaged in 900 kg IBC totes or bulk ISO tanks.
What are key chemical properties?
The product has an acid value of at least 385 mg KOH/g, purity of at least 99.5 wt%, and a closed-cup flash point of 118.3°C.
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