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[A15240] CAS 556-67-2 | Octamethylcyclotetrasiloxane, 98% | Alfa

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Brand: Alfa Aesar

556-67-2 | C8H24O4Si4 | octamethylcyclotetrasiloxane oktamethylzyklotetrasiloxan union carbide 7207 octamethyl-cyclotetrasiloxane oktamethylcyklotetrasiloxan silicone SF 1173 nuc silicone VS 7207 octamethyltetrasiloxane omcts cyclic dimethylsiloxane tetramer

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설명

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Chemical Identifiers

CAS
556-67-2
Molecular Weight (g/mol)
296.62
Synonym
octamethylcyclotetrasiloxane oktamethylzyklotetrasiloxan union carbide 7207 octamethyl-cyclotetrasiloxane oktamethylcyklotetrasiloxan silicone SF 1173 nuc silicone VS 7207 octamethyltetrasiloxane omcts cyclic dimethylsiloxane tetramer
SMILES
C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
InChI Key
HMMGMWAXVFQUOA-UHFFFAOYSA-N
Molecular Formula
C8H24O4Si4
IUPAC Name
octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

Specifications

Appearance (Color)
Clear colorless
Assay (GC)
≥97.5% (UK-sourced material)
Assay from Supplier’s CofA
≥97.5% (US-sourced material)
Comment
Material sourced in UK and US
Identification (FTIR)
Conforms

설명

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.

Other References:

Merck Index:14,6747UN Number:UN1993Beilstein:1787074

GHS Hazard and Precautionary Statements

Hazard Statements:H226-H302-H312-H360
GHS H StatementH226-H361Flammable liquid and vapour.Suspected of damaging fertility or the unborn child.
Precautionary Statements:P201-P202-P210-P233-P240-P241-P242-P243-P264b-P270-P281-P301+P312-P303+P361+P353-P308+P313-P312-P330-P363-P370+P378q-P501c

Risk & Safety

TSCA:YesRTECS Number:GZ4397000

경고:RUO – Research Use Only

CAS556-67-2FORMULAC8H24O4Si4HAZARD CLASS3EINECS209-136-7MDLMFCD00003269PACKAGING GROUPIII

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Pakage

100g, 500g
brand

Alfa Aesar
SKU: A15240 Category:  Brand:
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[A15240] CAS 556-67-2 | Octamethylcyclotetrasiloxane, 98% | Alfa

[A15240] CAS 556-67-2 | Octamethylcyclotetrasiloxane, 98% | Alfa

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