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Tetrapropenyl Succinic Anhydride (K-12)
Technical Data Sheet
Product
Identification
SynonymsDodecenyl Succinic Anhydride, DDSA, TPSA
CAS No.
26544-38-7 (*Previously referenced as CASRN
25377-73-5)
EINECS/ELINCS247-781-6
Molecular FormulaC16H26O3
Molecular Weight266.4
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
RequirementsLimits
Physical AppearanceClear liquid
Color (
Maleic Anhydride0.3% Max
Acid Number395-432
Acidity (DDS Acid by IR)1.5% maximum
Physical
Properties
PropertyValue
Specific Gravity1.03
Viscosity @ 20° C~600 cp
Boiling Range180
PackagingSteel Drums
Applications
•Low-viscosityepoxyhardeneryieldinglongpotlife,semi-flexibleresins,wellsuitedfor
electronics.
•Corrosioninhibitorfornon-aqueoussystemssuchaslubricants,hydraulicfluids,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 ORIMPLIED,INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE.Final determination of suitability of any material andissues of patentinfringementisthe
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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