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Octamethylcyclotetrasiloxane, 98%

Codice prodotto. 11422288
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Codice prodotto. 11422288 Fornitore Thermo Scientific Alfa Aesar N. del fornitore A15240.36
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Descrizione

CAS: 556-67-2 | C8H24O4Si4 | 296.616 g/mol

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.

Applications
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.

Solubility
Immiscible with water.

Notes
Incompatible with strong oxidizing agents, acids and bases.
TRUSTED_SUSTAINABILITY

Identificatori chimici

CAS 556-67-2
Formula molecolare C8H24O4Si4
Molecular Weight (g/mol) 296.616
Numero MDL MFCD00003269
InChI Key HMMGMWAXVFQUOA-UHFFFAOYSA-N
Sinonimo octamethylcyclotetrasiloxane, cyclotetrasiloxane, octamethyl, oktamethylcyklotetrasiloxan, cyclic dimethylsiloxane tetramer, omcts, nuc silicone vs 7207, union carbide 7207, silicone sf 1173, oktamethylzyklotetrasiloxan, unii-cz227117je
PubChem CID 11169
ChEBI CHEBI:25640
IUPAC Name 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
SMILES C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C

Specifica

Punti di ebollizione 175°C to 176°C
Materiale o nome chimico Octamethylcyclotetrasiloxane
Punto di fusione 17°C to 18°C
Quantità 500 g
Punto d'infiammabilità 56°C (132°F)
Indice di rifrazione 1.396
Sensibilità Moisture sensitive
Densità 0.956
Numero UN UN1993
Beilstein 1787074
Indice di Merck 14,6747
Informazioni di solubilità Immiscible with water.
Peso formulazione 296.62
Percent Purity 98%
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