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Karstedt Catalyst Solution - 0.1 M in poly(dimethylsiloxane), vinyl terminated, high purity , CAS No.68478-92-2

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COA

Grade & Purity:

0.1 M in poly(dimethylsiloxane), vinyl terminated

Cas Number: 68478-92-2
Molecular Weight: 381.48
MDL number: MFCD00151662
PubChem CID: 10959889
PubChem SID: 504765789

In stock

Item Number

K131673

Grouped product items
SKU	Size	Availability	Price
K131673-1g	1g	3	$49.90
K131673-5g	5g	3	$149.90
K131673-25g	25g	2	$489.90

View related series

organosilicon (33) Platinum catalyst (15) Siloxane (5)

Basic Description

Synonyms	Karstedt′s catalyst \| Platinum(0) 1,3-diethenyl-1,1,3,3-tetramethyldisiloxane complexes
Specifications & Purity	0.1 M in poly(dimethylsiloxane), vinyl terminated
Biochemical and Physiological Mechanisms	高效铂金催化剂在硅橡胶硫化过程中可以在低温下迅速进行，且无副产物，不变色，在硅氢加成反应中反应迅速。
Storage Temp	Argon charged
Shipped In	Normal
Product Description	A powerful hydrosilylation catalyst for preparation of trans-β-silanes. Hydrosilylation Catalysts Product class PGM Solutions, M-C, Homogeneous Catalysts, Diene/Dienyl Ligands, Vinylsiloxane Ligands, Vinylsiloxane Solutions Reaction type Hydrosilylation Chemical properties Chemical formula C24H54O3Si6Pt2 Empirical formula Pt(vs)hc Metal Pt Theoretical metal content 21 Physical state liquid Color light yellow

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organometallic compounds
  - Class Organometalloid compounds
    - Subclass Organosilicon compounds
      - Level5 Siloxanes
        Level6 Disiloxanes

Kingdom	Organic compounds
Superclass	Organometallic compounds
Class	Organometalloid compounds
Subclass	Organosilicon compounds
Intermediate Tree Nodes	Siloxanes
Direct Parent	Disiloxanes
Alternative Parents	Organoheterosilanes Organic transition metal salts Organic metalloid salts Organic oxygen compounds Hydrocarbon derivatives
Molecular Framework	Aliphatic acyclic compounds
Substituents	Disiloxane - Organoheterosilane - Organic metalloid salt - Organic transition metal salt - Organic oxygen compound - Hydrocarbon derivative - Aliphatic acyclic compound
Description	This compound belongs to the class of organic compounds known as disiloxanes. These are organosilicon compounds with the general formula H[Si](R)(R')O[Si](H)(R'')R''' (R= organyl, R'-R'''= H or organyl).
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	504765789
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504765789
IUPAC Name	ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum
INCHI	InChI=1S/C8H18OSi2.Pt/c1-7-10(3,4)9-11(5,6)8-2;/h7-8H,1-2H2,3-6H3;
InChIKey	RCNRJBWHLARWRP-UHFFFAOYSA-N
Smiles	C[Si](C)(C=C)O[Si](C)(C)C=C.[Pt]
Isomeric SMILES	C[Si](C)(C=C)O[Si](C)(C)C=C.[Pt]
WGK Germany	3
Molecular Weight	381.48
Reaxy-Rn	11327506
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11327506&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

20 results found

Lot Number	Certificate Type	Date	Item
C2528422	Certificate of Analysis	Mar 14, 2025	K131673
C2528425	Certificate of Analysis	Mar 14, 2025	K131673
C2528429	Certificate of Analysis	Mar 14, 2025	K131673
L2412669	Certificate of Analysis	Nov 28, 2024	K131673
L2412670	Certificate of Analysis	Nov 28, 2024	K131673
L2412668	Certificate of Analysis	Nov 28, 2024	K131673
J2409596	Certificate of Analysis	Sep 23, 2024	K131673
J2409597	Certificate of Analysis	Sep 23, 2024	K131673
J2409595	Certificate of Analysis	Sep 23, 2024	K131673
G2431266	Certificate of Analysis	Jul 17, 2024	K131673
G2431267	Certificate of Analysis	Jul 17, 2024	K131673
G2431268	Certificate of Analysis	Jul 17, 2024	K131673
E2417217	Certificate of Analysis	May 09, 2024	K131673
E2417218	Certificate of Analysis	May 09, 2024	K131673
E2417243	Certificate of Analysis	May 09, 2024	K131673
C2409311	Certificate of Analysis	Feb 29, 2024	K131673
C2409313	Certificate of Analysis	Feb 29, 2024	K131673
A2409348	Certificate of Analysis	Dec 23, 2023	K131673
A2409349	Certificate of Analysis	Dec 23, 2023	K131673
A2409350	Certificate of Analysis	Dec 23, 2023	K131673

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Chemical and Physical Properties

Solubility	Miscible with toluene, xylene, isopropyl alcohol, double-vinyl silicone oil and vinyl terminated poly(dimethylsiloxane). Immiscible with water.
Sensitivity	Moisture sensitive；Air sensitive；Heat sensitive
Flash Point(°C)	28 °C
Boil Point(°C)	138 °C
Melt Point(°C)	12-13 °C
Molecular Weight	381.480 g/mol
XLogP3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	4
Exact Mass	381.054 Da
Monoisotopic Mass	381.054 Da
Topological Polar Surface Area	9.200 Å²
Heavy Atom Count	12
Formal Charge	0
Complexity	143.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	2

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