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Tetrapropenyl Succinic Anhydride (K-12)
Technical Data Sheet
Product
Identification
Synonyms Dodecenyl Succinic Anhydride, DDSA, TPSA
CAS No.
26544-38-7 (*Previously referenced as CASRN
25377-73-5)
EINECS/ELINCS 247-781-6
Molecular Formula C16H26O3
Molecular Weight 266.4
Description
DDSA (K-12) is liquid succinic anhydride
manufactured from maleic anhydride and a
mixture of branched olefin isomers. The olefin
side chain is primarily the C12 tetramer of
propylene. The double bond is retained.
Specifications
Requirements Limits
Physical Appearance Clear liquid
Color (
Maleic Anhydride 0.3% Max
Acid Number 395-432
Acidity (DDS Acid by IR) 1.5% maximum
Physical
Properties
Property Value
Specific Gravity 1.03
Viscosity @ 20° C ~600 cp
Boiling Range 180
Packaging Steel Drums
Applications
• Low-viscosity epoxy hardener yielding long pot life, semi-flexible resins, well suited for
electronics.
• Corrosion inhibitor for non-aqueous systems such as lubricants, hydraulic fluids, greases
and fuels.
• Detergent additive for metal cleaning.
• Co-monomer and internal plasticizer in polyester resins.
• Chemical Reactions: DDSA may be hydrolyzed to the dibasic acid with hot water. Alkali
metal salts are readily prepared by treatment with the aqueous bases.
For toxicity or regulatory information please consult the Material Safety Data Sheet.
Information contained in this technical data sheet is believed to be accurate. Vertellus Health & Specialty Products LLC assumes no liability
and makes no warranty or representation that the information is correct or complete and EXPRESSLY DISCLAIMS ALL REPRESENTATIONS
OR WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE. Final determination of suitability of any material and issues of patent infringement is the
sole responsibility of the user who alone knows the conditions of intended use. Our customers should ensure that any product incorporating a
Vertellus ingredient is safe for its intended use pursuant to applicable law and that any necessary disclosures to consumers have been made.
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