Precious Metals
Products & SolutionsCompanyResponsibility
  1. Heraeus Precious Metals: Innovative Products, Trading & Recycling / 
  2. Products & Solutions / 
  3. By Category / 
  4. Precious Metal Compounds & Homogeneous Catalysts / 
  5. Hydrosilylation Catalysts (Silicones) / 
  6. "Platinum(0) 1,3-divinyl-1,1,3,3-tetramethyldisiloxane complexes ""Karstedt concentrate"""

KARSTEDT Concentrate 2%

IUPAC Name: "Platinum(0) 1,3-divinyl-1,1,3,3-tetramethyldisiloxane complexes ""Karstedt concentrate"""
CAS No.: 68478-92-2
EC Number: 270-844-4
Heraeus ID: 81147525
The Karstedt 2% catalyst is used as a hydrosilylation catalyst. Hydrosilylation describes the reactions to build up high-molecular organosilicon compounds, which serve as the basis for manufacturing silicones. By using the Karstedt 2% catalyst, very low platinum concentrations are contained in the end product. Furthermore, platinum-catalyzed curing is achieved without volatile by-products. The range of catalysts provides options for cure characteristics for every application and can be shipped in various dilutions with polymers to meet customer needs. Heraeus can formulate the activity of the Karstedt’s Catalysts according to the desired catalyst concentration, stability and viscosity. A low turbidity upon mixing with polymers can be expected from the pale, colorless catalyst solution. Heraeus’ catalysts are produced with a narrow variance, which minimizes catalyst waste while delivering constant activity designed for a steady process. The Karstedt 2% catalyst is extremely user-friendly and processable. For a quick delivery time, please note the minimum order quantity of 0.5 kg.

Markets & Shipping

Best Delivery
APAC, EMEA
Markets
Silicones

Interested in This Product?

Need a customized solution?

Request a Modification

Request a quote, pricing or a sample

Request a Quote
68478-92-2_(10).jpg
Product Details
Chemical FormulaO[Si(CH3)2CH=CH2]2Pt
Precious Metal ContentPt: 1.70 - 2.30 %
Average PM Content2 %
Counter IonSiloxane
Product TypeSolution
ColorYellow
Heraeus Precious Metals
  • Products & Solutions
  • About Heraeus Precious Metals
  • Quality Standards
  • Press & News
  • Trade Fairs & Events
Responsibility
  • Precious to us
  • Compliance
  • Solutions
Market Information
  • Precious Metal Prices
  • Precious Metal Charts
  • Supply & Demand
  • Weekly Market Report
  • The Platinum Standard
  • The Palladium Standard
  • Precious Metals Forecast
Follow us
  • LinkedIn
Discover more about
MATERIALS. INNOVATIONS.
FOR GENERATIONS.
  • Terms & Conditions
  • Imprint
  • Privacy Policy
  • Cookie Information
  • Disclaimer
  • Contact & Returns
© 2026 Heraeus Precious Metals