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479519

Sigma-Aldrich

Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex solution

in xylene, Pt ~2 %

Synonym(s):

Karstedt′s catalyst, Platinum(0) 1,3-diethenyl-1,1,3,3-tetramethyldisiloxane complexes

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About This Item

Linear Formula:
O[Si(CH3)2CH=CH2]2Pt
CAS Number:
68478-92-2
Molecular Weight:
381.48
MDL number:
MFCD00151662
UNSPSC Code:
12161600
PubChem Substance ID:
24871623
NACRES:
NA.22

vapor pressure

7 mmHg ( 21 °C)

Quality Level

200

composition

Pt, ~2%

reaction suitability

core: platinum
reagent type: catalyst

concentration

in xylene

bp

138 °C

mp

12-13 °C

density

0.855 g/mL at 25 °C

SMILES string

[Pt].C[Si](C)(O[Si](C)(C)C=C)C=C

InChI

1S/C8H18OSi2.Pt/c1-7-10(3,4)9-11(5,6)8-2;/h7-8H,1-2H2,3-6H3;

InChI key

RCNRJBWHLARWRP-UHFFFAOYSA-N

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General description

Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex is a platinum complex, commonly known as a Karstedt′s catalyst. It is generally employed as a catalyst in hydrosilylation reactions.

Application

Hydrosilylation Catalysts
Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex solution is a powerful hydrosilylation catalyst for the preparation of trans-β-silanes.

It has also been used in the reduction of carboxamides to amines.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

Target Organs

Central nervous system,Liver,Kidney, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

77.0 °F - closed cup

Flash Point(C)

25 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

479519-250G:4548174019801
479519-5G:4548173304786
479519-BULK:
479519-25G:4548173304793
479519-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX0444
MKCV7472
MKCT4272
MKCT9828
MKCS0221

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Practical access to amines by platinum-catalyzed reduction of carboxamides with hydrosilanes: synergy of dual Si- H groups leads to high efficiency and selectivity
Hanada S, et al.
Journal of the American Chemical Society, 131, 15032-15040 (2009)
Kenichiro Itami et al.
The Journal of organic chemistry, 67(8), 2645-2652 (2002-04-13)
Metal-catalyzed hydrosilylation of alkenes and alkynes using dimethyl(pyridyl)silane is described. The hydrosilylation of alkenes using dimethyl(2-pyridyl)silane (2-PyMe(2)SiH) proceeded well in the presence of a catalytic amount of RhCl(PPh(3))(3) with virtually complete regioselectivity. By taking advantage of the phase tag property
Platinum (0)-1, 3-divinyl-1, 1, 3, 3-tetramethyldisiloxane Complex as a Pt Source for Pt/SnO2 Catalyst
Martyla A, et al.
Journal of Nanomaterials, 2014 (2014)
Ionic liquids as solvents for rhodium and platinum catalysts used in hydrosilylation reaction
Zielinski W, et al.
Molecules (Basel), 21, 1115-1115 (2016)
S E Denmark et al.
Organic letters, 3(7), 1073-1076 (2001-03-30)
[reaction: see text]. The formal addition of an aryl-H or alkenyl-H bond across a terminal alkyne has been accomplished by the combination of platinum-catalyzed hydrosilylation followed by palladium-catalyzed cross-coupling. The use of the t-Bu3P-Pt(DVDS) catalyst in combination with tetramethyldisiloxane gave
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