Neodecanoic acid

CAS Number
26896-20-8
EC Number
248-093-9

What is Neodecanoic acid?

Neodecanoic acid (CAS 26896-20-8) is a highly branched C10 synthetic carboxylic acid. Also marketed as Wiltz 65 and Topper 5E.

Where is Neodecanoic acid used?

  • Coatings: reacted with metal oxides to produce metal neodecanoates
  • Alkyd and industrial coatings: driers and catalysts
  • Lubricants and metalworking fluids: corrosion inhibitor and building block for synthetic ester base fluids
  • Plastics and polymer processing: surface modifier and compatibilizer improving adhesion between dissimilar substrates
  • Adhesives and sealants: adhesion improvement
  • Elastomer compounding: neodecanoate metal soaps as stabilizers and crosslinking agents
  • Metal salt synthesis, surface treatment and corrosion protection benefit from its branched structure.

Good to know: Purity levels and acid value specifications vary by supplier, so buyers should confirm these against their formulation requirements. Store in a cool, dry area to maintain product integrity.

Commercial specifications

  • Clear liquid in drums, IBCs and bulk tankers
  • Purity levels and acid value specifications vary by supplier

Other Names (Synonyms)

Wiltz 65|Topper 5E|Neodecanoic Acid Prime|Shina 10|NDA

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What are the physical properties of Neodecanoic acid?

Boiling Point 243-253°C
Density 0.92
Flash Point 122 °C
Color colorless
Form liquid
Water Solubility 79.7mg/L at 20℃
Vapor Pressure 2Pa at 24.85℃
Refractive Index 1.4192 (estimate)
Log P 2.1 at 25℃

Which trade and regulatory codes apply to Neodecanoic acid?

HS Code 29159000
Storage Class 10 - Combustible liquids
WGK (Germany) 1
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