form
liquid
Quality Level
mol wt
average Mn ~570
impurities
<1 wt. % monomer
<2 wt. % trimer
refractive index
n20/D 1.477 (lit.)
viscosity
8,000 mPa.s(25 °C)(lit.)
acid number
190‑198 mg KOH/g
iodine value
<10
transition temp
pour point ~0 °C
density
0.95 g/mL at 25 °C (lit.)
General description
Dimer acid, hydrogenated is a fatty acid with 36 carbon atoms. It consists of a cyclohexene ring which can be synthesized by clay-catalyzed dimerization at 230-250°C.
Improves flexibility, toughness, impact resistance, dyeability and hydrolytic stability of polymers.
Application
Comonomer in polyesters, polyamides and polyurethanes.
Dimer acid, hydrogenated can be used as a corrosion inhibitor for the protection of lead metal substrates. It can also be used in polyamide based hot melting adhesives as a thermoplastic polymer for electronic boards, textiles and packaging systems.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
572.0 °F - open cup
Flash Point(C)
300 °C - open cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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