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Published TCIMAIL newest issue No.198
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CAS RN: 68478-92-2 | Product Number: P2075
Platinum(0) - 1,3-Divinyltetramethyldisiloxane Complex (19.0-21.5% as Pt) (contains 1,3-Divinyltetramethyldisiloxane)
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Purity:
Synonyms:
- Karstedt Catalyst (19.0-21.5% as Pt) (contains 1,3-Divinyltetramethyldisiloxane)
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 1G |
€131.00
|
3 | ≥40 |
|
| 5G |
€591.00
|
2 | 30 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | P2075 |
| Physical State (20 deg.C) | Liquid |
Storage Temperature 
|
Refrigerated (0-10°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Air Sensitive,Heat Sensitive |
| CAS RN | 68478-92-2 |
| Reaxys Registry Number | 11327506 |
| MDL Number | MFCD00151662 |
Specifications
| Appearance | Light yellow to Yellow to Orange clear liquid |
| Content(Platinum) | 19.0 to 21.5 % |
| NMR | confirm to structure |
Properties (reference)
| Flash point | 28 °C |
| Specific Gravity (20/20) | 1.2 |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. H360 : May damage fertility or the unborn child. H226 : Flammable liquid and vapour. |
| Precautionary Statements | P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P201 : Obtain special instructions before use. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P308 + P313 : IF exposed or concerned: Get medical advice/ attention. |
Related Laws:
| EC Number | 270-844-4 |
Transport Information:
| UN Number | UN1993 |
| Class | 3 |
| Packing Group | III |
| HS Number | 2843909000 |
Application
Karstedt Catalyst: A Useful Platinum Catalyst for Hydrosilylation
Experimental procedure: dimethyl-2-thienylsilane (32 mg, 0.22 mmol) is added dropwise to a solution of Karstedt catalyst (0.1 M in xylenes，9 µL，0.0009 mmol) and tert-Bu3P (1 µL，0.003 mmol) in THF (0.7 mL), and the mixture is stirred for 30 min at rt. A solution of (E)-5-(tetrahydropyran-2-yloxy)pent-3-en-1-yne (30 mg，0.18 mmol) in THF (1 mL) is then added over 10 min and the reaction mixture is stirred for 10 h at rt. The solvent is removed under vacuum and the crude is purified by column chromatography (SiO2, hexane/AcOEt) to afford 1 (92% yield).
References
- Cross-Coupling Reactions of Organosilicon Compounds in the Stereocontrolled Synthesis of Retinoids
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