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Octamethylcyclotetrasiloxane, 98%
CAS: 556-67-2 | C8H24O4Si4 | 296.616 g/mol
Supplier: Thermo Scientific Chemicals A1524036
Description
Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.
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.
ApplicationsOctamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.
Solubility
Immiscible with water.
Notes
Incompatible with strong oxidizing agents, acids and bases.
Specifications
| 175°C to 176°C | |
| 17°C to 18°C | |
| 500 g | |
| MFCD00003269 | |
| 1787074 | |
| 14,6747 | |
| Immiscible with water. | |
| C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C | |
| 296.616 | |
| CHEBI:25640 | |
| 98% | |
| Moisture sensitive |
| Octamethylcyclotetrasiloxane | |
| 556-67-2 | |
| C8H24O4Si4 | |
| UN1993 | |
| 56°C (132°F) | |
| octamethylcyclotetrasiloxane, cyclotetrasiloxane, octamethyl, oktamethylcyklotetrasiloxan, cyclic dimethylsiloxane tetramer, omcts, nuc silicone vs 7207, union carbide 7207, silicone sf 1173, oktamethylzyklotetrasiloxan, unii-cz227117je | |
| HMMGMWAXVFQUOA-UHFFFAOYSA-N | |
| 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane | |
| 11169 | |
| 296.62 | |
| 1.396 | |
| 0.956 |
Chemical Identifiers
| 556-67-2 | |
| 296.616 | |
| HMMGMWAXVFQUOA-UHFFFAOYSA-N | |
| 11169 | |
| 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane |
| C8H24O4Si4 | |
| MFCD00003269 | |
| octamethylcyclotetrasiloxane, cyclotetrasiloxane, octamethyl, oktamethylcyklotetrasiloxan, cyclic dimethylsiloxane tetramer, omcts, nuc silicone vs 7207, union carbide 7207, silicone sf 1173, oktamethylzyklotetrasiloxan, unii-cz227117je | |
| CHEBI:25640 | |
| C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C |
Safety and Handling
GHS H Statement
H226-H361
Flammable liquid and vapour.
Suspected of damaging fertility or the unborn child.
P201-P202-P210-P233-P240-P241-P242-P243-P264b-P270-P281-P301+P312-P303+P361+P353-P308+P313-P312-P330-P363-P370+P378q-P501c
H226-H302-H312-H360
DOTInformation : Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
EINECSNumber : 209-136-7
RTECSNumber : GZ4397000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only