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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 (Gardner)  6 Max.

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

Freezing Point  N/A

Viscosity @ 20° C  ~600 cp

Boiling Range  180-192°C @ 6 Torr

 

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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