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Karstedt Catalyst Solution - 0.05 M in poly(dimethylsiloxane), vinyl terminated, high purity , CAS No.68478-92-2

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COA

Grade & Purity:

0.05 M in poly(dimethylsiloxane), vinyl terminated

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

In stock

Item Number

K131672

Grouped product items
SKU	Size	Availability	Price
K131672-5g	5g	3	$85.90
K131672-25g	25g	2	$299.90
K131672-100g	100g	2	$899.90

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Platinum catalyst (15)

Basic Description

Synonyms	Platinum (0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex \| Karstedt Catalyst \| Karstedt′s catalyst \| Platinum(0) 1,3-diethenyl-1,1,3,3-tetramethyldisiloxane
Specifications & Purity	0.05 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 Molecular weight 949.35 (anhydrous) 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

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.

21 results found

Lot Number	Certificate Type	Date	Item
C2512679	Certificate of Analysis	Feb 28, 2025	K131672
C2512680	Certificate of Analysis	Feb 28, 2025	K131672
C2512681	Certificate of Analysis	Feb 28, 2025	K131672
J2422657	Certificate of Analysis	Oct 09, 2024	K131672
J2422658	Certificate of Analysis	Oct 09, 2024	K131672
J2422656	Certificate of Analysis	Oct 09, 2024	K131672
G2431262	Certificate of Analysis	Jul 03, 2024	K131672
G2431263	Certificate of Analysis	Jul 03, 2024	K131672
G2431265	Certificate of Analysis	Jul 03, 2024	K131672
G2431264	Certificate of Analysis	Jul 03, 2024	K131672
K2307158	Certificate of Analysis	Oct 13, 2023	K131672
K2307146	Certificate of Analysis	Oct 13, 2023	K131672
D2314950	Certificate of Analysis	Feb 09, 2023	K131672
G2426126	Certificate of Analysis	Feb 09, 2023	K131672
D2314948	Certificate of Analysis	Feb 09, 2023	K131672
D23141000	Certificate of Analysis	Feb 09, 2023	K131672
J2211486	Certificate of Analysis	Oct 24, 2022	K131672
F1808065	Certificate of Analysis	Apr 26, 2022	K131672
F2202236	Certificate of Analysis	Feb 16, 2022	K131672
F2202244	Certificate of Analysis	Feb 16, 2022	K131672
F2204434	Certificate of Analysis	Feb 16, 2022	K131672

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Chemical and Physical Properties

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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