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Published TCIMAIL newest issue No.197
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CAS RN: 107-46-0 | Product Number: H0091
Hexamethyldisiloxane
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Purity: >98.0%(GC)
Synonyms:
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 25ML |
€16.00
|
11 | ≥100 |
|
| 100ML |
€25.00
|
3 | ≥100 |
|
| 500ML |
€80.00
|
4 | ≥100 |
|
*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 | H0091 |
| Purity / Analysis Method | >98.0%(GC) |
| Molecular Formula / Molecular Weight | C__6H__1__8OSi__2 = 162.38 |
| Physical State (20 deg.C) | Liquid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive |
| CAS RN | 107-46-0 |
| Reaxys Registry Number | 1736258 |
| PubChem Substance ID | 87570539 |
| SDBS (AIST Spectral DB) | 5566 |
| MDL Number | MFCD00008265 |
Specifications
| Appearance | Colorless to Almost colorless clear liquid |
| Purity(GC) | min. 98.0 % |
Properties (reference)
| Boiling Point | 100 °C |
| Flash point | -6 °C |
| Specific Gravity (20/20) | 0.76 |
| Refractive Index | 1.38 |
| Solubility in water | Insoluble |
| Solubility (soluble in) | Alcohol |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H410 : Very toxic to aquatic life with long lasting effects. H225 : Highly flammable liquid and vapour. |
| Precautionary Statements | P273 : Avoid release to the environment. P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 : Keep container tightly closed. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P391 : Collect spillage. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. |
Related Laws:
| EC Number | 203-492-7 |
| RTECS# | JM9237000 |
Transport Information:
| UN Number | UN1993 |
| Class | 3 |
| Packing Group | II |
| HS Number | 2931900090 |
Application
Trimethylsilylating Reagent
Typical Procedure (Entry 1):
In a 100 mL flask equipped with a Dean-Stark trap are placed hexanoic acid (17.5 g, 151 mmol), hexamethyldisiloxane (48.7 g, 301 mmol), sulfuric acid (1.5 g, 15 mmol), and toluene (40 mL). The flask is then heated to gentle reflux, and the course of the reaction is monitored by GLC. After 72 h, the reaction mixture is distilled under reduced pressure to give trimethylsilyl hexanoate (20.2 g, Y. 71%) as a colorless liquid.
In a 100 mL flask equipped with a Dean-Stark trap are placed hexanoic acid (17.5 g, 151 mmol), hexamethyldisiloxane (48.7 g, 301 mmol), sulfuric acid (1.5 g, 15 mmol), and toluene (40 mL). The flask is then heated to gentle reflux, and the course of the reaction is monitored by GLC. After 72 h, the reaction mixture is distilled under reduced pressure to give trimethylsilyl hexanoate (20.2 g, Y. 71%) as a colorless liquid.
References
- 1) A facile silylation of carboxylic acids with hexamethyldisiloxane
- 2) A new preparation of trimethylsilyl ethers
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