The Universal Selection Source:
Adhesives Ingredients
by SpecialChem
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Rostabil TTDP

Technical Datasheet | Supplied by PCC Rokita
Rostabil TTDP by PCC Rokita is triisotridecyl phosphite. Acts as a phosphite antioxidant. It protects the resin from heat aging, preserve its appearance from discoloration/yellowing, maintain its strength, stiffness or flexibility, extend its lifetime. As secondary antioxidants they are often used as synergists in combination with phenolic antioxidants. Used in adhesives.

Rostabil TTDP

Technical Datasheet | Supplied by PCC Rokita
Product Type
Antioxidants > Phosphites
Chemical Composition
Triisotridecyl phosphite
CAS Number
Physical Form
Product Status
Applications/ Recommended for
  • Adhesives
  • Sealants
Labels/Agency Rating
REACH, Europe inventory

Rostabil TTDP Properties


Value & Unit
Test Condition
Test Method
Molecular weight
629 g/mol
Density @ 20°C
0.87 - 0.91 g/cm3
Acid value
< 0.2 mg KOH/g
SpecialChem additionnal informations based on CAS Number : 68610-62-8

Hansen Solubility Parameters

[16, 2.8, 3.9]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Rostabil TTDP. A practical determination of these HSP values would provide higher certainty. Learn More.

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