Learn More
Pentamethyldisiloxane, 95%
CAS: 1438-82-0 | C5H15OSi2 | 147.344 g/mol
$140.70 - $476.63
Chemical Identifiers
| CAS | 1438-82-0 |
|---|---|
| Molecular Formula | C5H15OSi2 |
| Molecular Weight (g/mol) | 147.344 |
| MDL Number | MFCD00053658 |
| InChI Key | XUKFPAQLGOOCNJ-UHFFFAOYSA-N |
| Synonym | pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane |
| PubChem CID | 6327260 |
| IUPAC Name | dimethyl(trimethylsilyloxy)silicon |
| SMILES | C[Si](C)O[Si](C)(C)C |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|
AAL1657706
|
Thermo Scientific Chemicals
L1657706 |
5 g |
Each for $140.70
|
|
|||||
|
AAL1657714
|
Thermo Scientific Chemicals
L1657714 |
25 g |
Each for $476.63
|
|
|||||
Description
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
ApplicationsPentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
Solubility
Not miscible or difficult to mix in water.
Notes
It is sensitive to moisture. Keep container tightly closed in a dry and well-ventilated place. Store under dry inert gas. Incompatible with oxidizing agents.
Chemical Identifiers
| 1438-82-0 | |
| 147.344 | |
| XUKFPAQLGOOCNJ-UHFFFAOYSA-N | |
| 6327260 | |
| C[Si](C)O[Si](C)(C)C |
| C5H15OSi2 | |
| MFCD00053658 | |
| pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane | |
| dimethyl(trimethylsilyloxy)silicon |
Specifications
| 86°C to 87°C | |
| 5 g | |
| MFCD00053658 | |
| 1734568 | |
| pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane | |
| XUKFPAQLGOOCNJ-UHFFFAOYSA-N | |
| dimethyl(trimethylsilyloxy)silicon | |
| 6327260 | |
| 95% | |
| Moisture sensitive | |
| Pentamethyldisiloxane |
| 1438-82-0 | |
| C5H15OSi2 | |
| UN1993 | |
| −19°C (−2°F) | |
| Not miscible or difficult to mix in water. | |
| C[Si](C)O[Si](C)(C)C | |
| 147.344 | |
| 148.35 | |
| 1.374 | |
| 0.758 |
Safety and Handling
GHS H Statement
H225
Highly flammable liquid and vapor.
P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378q-P501c
H225
DOTInformation : Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
EINECSNumber : 215-873-5
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only