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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Dynasylan® P

Technical Datasheet | Supplied by Evonik
Dynasylan® P by Evonik is a special silicic acid ester. It acts as a crosslinker in the silicone industry. It can also be used as precursor for inorganic binders and as basic ingredient for sol-gel formations. Dynasylan® P is used in RTV-1 Alcoxy Silicone Sealants.
Product Type
Crosslinking / Curing / Vulcanizing Agents
Chemical Composition
Tetrapropyl orthosilicate
CAS Number
Physical Form
Colorless to yellowish
Product Status
Applications/ Recommended for
  • Sealants
  • Polymers > Silicones (Si)
Labels/Agency Rating
EC No.: 211-659-0
REACH (Europe) registered
Listed in EINECS/ELINCS (EU), AICS (Australia), DSL/NDSL (Canada), PICCS (Philippines), TSCA (USA), IECS (P.R. China), ENCS (Japan), ECL (South Korea)

Dynasylan® P Properties


Value & Unit
Test Condition
Test Method
Flash Point
88 °C
(Pensky-Martens. Closed Cup)
EN 2719
Boiling Point
226 °C
DIN 51751
0.92 g/cm3
DIN 51757
SpecialChem additionnal informations based on CAS Number : 682-01-9

Hansen Solubility Parameters

[13.2, 2.2, 1.9]
[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 Dynasylan® P. A practical determination of these HSP values would provide higher certainty. Learn More.

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