CAS 556-67-2: Octamethylcyclotetrasiloxane

Formula:C₈H₂₄O₄Si₄

InChI:InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3

InChI key:InChIKey=HMMGMWAXVFQUOA-UHFFFAOYSA-N

SMILES:O1[Si](O[Si](O[Si](O[Si]1(C)C)(C)C)(C)C)(C)C

Synonyms:
2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-Tetroxatetrasilocane
2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane
Abil K 4
Additive 8030
Cyclic dimethylsiloxane tetramer
Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-
Cyclotetrasiloxane, octamethyl-
D 4
D4
See more synonyms
Dabco DC 5258
Dc 244
Dc 344
Dc 5258
Dow Corning 244
Dow Corning 244 Fluid
Dow Corning 344
Dwq 110
Dwq 120
Kf 994
L 6907
Ls 8620
Mirasil CM 4
NUC Silicone VS 7207
Nsc 345674
Octamethyl cyclotetrasilazane
Octamethylcyclotetrasiloxan
Octamethylcyclotetrasiloxane
Octamethylcyclotetrasiloxanes
Octametilciclotetrasiloxano
Octaphenyl Silsesquioxane
Pmx 0110
SH 244 Fluid
Sf 1173
Sh 244
Sh 30
Sh 344
Silbione 70045V2
Silbione V 2
Tetracyclomethicone
Tsf 404
Uc 7207
Union Carbide 7207
Volasil 244
Vs 7207
Xf 3803
Y 7175
Yf 393
Zbh 270

Found 15 products.

Product data	Purity	Price range	Estimated delivery
Octamethylcyclotetrasiloxane REF: 3B-O0142CAS: 556-67-2	>98.0%(GC)	27.00 €~98.00 €	Fri 07 Mar 25
Octamethylcyclotetrasiloxane, 98% REF: 02-A15240CAS: 556-67-2	98%	65.00 €~215.00 €	Mon 10 Mar 25
Octamethylcyclotetrasiloxane, 98% REF: 08-14-5400CAS: 556-67-2	98%	38.00 €~85.00 €	Tue 11 Mar 25
Octamethylcyclotetrasiloxane, 98% REF: AC-21647CAS: 556-67-2	98%	To inquire	Mon 10 Mar 25
Cyclomethicone 4 REF: 45-1154707CAS: 556-67-2	- - -	502.00 €	Thu 13 Mar 25
Octamethylcyclotetrasiloxane REF: 4Z-C-330001CAS: 556-67-2	- - -	To inquire	Mon 17 Mar 25
Octamethylcyclotetrasiloxane REF: 54-OR1000035CAS: 556-67-2	- - -	To inquire	Mon 17 Mar 25
Siloxane Mixture 61 100 µg/mL in Acetonitrile REF: 04-A30000061ALCAS: 107-46-0 107-51-7 107-52-8 141-62-8 141-63-9 540-97-6 541-02-6 541-05-9 556-67-2	- - -	To inquire	Mon 17 Mar 25
Octamethylcyclotetrasiloxane REF: 04-C15710800CAS: 556-67-2	- - -	101.00 €	Mon 17 Mar 25
Octamethylcyclotetrasiloxane REF: 10-S12400CAS: 556-67-2	98%	To inquire	Mon 24 Mar 25
Octamethylcyclotetrasiloxane REF: TR-O237145CAS: 556-67-2	- - -	128.00 €~176.00 €	Mon 24 Mar 25
(7.0-8.0% VINYLMETHYLSILOXANE) - DIMETHYLSILOXANE COPOLYMER, TRIMETHYLSILOXY TERMINATED, 800-1,200 cSt REF: 3H-VDT-731CAS: 556-67-2 67762-94-1	- - -	To inquire	Thu 27 Mar 25
OCTAMETHYLCYCLOTETRASILOXANE, 98% REF: 3H-SIO6700.0CAS: 556-67-2	98%	To inquire	Thu 27 Mar 25
DIMETHYLCYCLOSILOXANES, 99% REF: 3H-SID4075.0CAS: 540-97-6 541-02-6 541-05-9 556-67-2	99%	- - -	Discontinued product
Octamethylcyclotetrasiloxane REF: 3D-FO45367CAS: 556-67-2	Min. 95%	- - -	Discontinued product

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Octamethylcyclotetrasiloxane

CAS:556-67-2

Formula:

C₈H₂₄O₄Si₄

Purity:

>98.0%(GC)

Color and Shape:

Colorless to Almost colorless clear liquid

Molecular weight:

296.62

Ref: 3B-O0142

25ml		27.00 €
100ml		39.00 €
500ml		98.00 €

Estimated delivery in United States, on Friday 7 Mar 2025

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Octamethylcyclotetrasiloxane, 98%

CAS:556-67-2

Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees …

Formula:

C₈H₂₄O₄Si₄

Purity:

98%

Color and Shape:

Clear colorless, Liquid

Molecular weight:

296.62

Ref: 02-A15240

100g		65.00 €
500g		215.00 €

Estimated delivery in United States, on Monday 10 Mar 2025

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Octamethylcyclotetrasiloxane, 98%

CAS:556-67-2

Formula:

C₈H₂₄O₄Si₄

Purity:

98%

Color and Shape:

colorless liq.

Molecular weight:

296.62

Ref: 08-14-5400

25g		38.00 €
100g		85.00 €

Estimated delivery in United States, on Tuesday 11 Mar 2025

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Octamethylcyclotetrasiloxane, 98%

CAS:556-67-2

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

Formula:

C₈H₂₄O₄Si₄

Purity:

98%

Color and Shape:

Clear colorless, Liquid

Molecular weight:

296.62

Ref: AC-21647

25g		To inquire
100g		To inquire
500g		293.00 €

Estimated delivery in United States, on Monday 10 Mar 2025

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Cyclomethicone 4

CAS:556-67-2

Organo-inorganic compounds, nesoi

Formula:

C₈H₂₄O₄Si₄

Color and Shape:

Liquid

Molecular weight:

296.07517

United States Pharmacopoeia (USP) Solutions and Reagents

Ref: 45-1154707

200mg 502.00 €

Estimated delivery in United States, on Thursday 13 Mar 2025

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Octamethylcyclotetrasiloxane

CAS:556-67-2

Formula:

C₈H₂₄Si₄O₄

Molecular weight:

296.62

Ref: 4Z-C-330001

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Monday 17 Mar 2025

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Octamethylcyclotetrasiloxane

CAS:556-67-2

Molecular weight:

296.618g/mol

Ref: 54-OR1000035

Undefined size To inquire

Estimated delivery in United States, on Monday 17 Mar 2025

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Siloxane Mixture 61 100 µg/mL in Acetonitrile

CAS:107-46-0 107-51-7 107-52-8 141-62-8 141-63-9 540-97-6 541-02-6 541-05-9 556-67-2

Color and Shape:

Mixture

Ref: 04-A30000061AL

1ml To inquire

Estimated delivery in United States, on Monday 17 Mar 2025

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Octamethylcyclotetrasiloxane

Controlled Product

CAS:556-67-2

Formula:

C₈H₂₄O₄Si₄

Color and Shape:

Neat

Molecular weight:

296.62

Ref: 04-C15710800

500mg 101.00 €

Estimated delivery in United States, on Monday 17 Mar 2025

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Octamethylcyclotetrasiloxane

CAS:556-67-2

S12400 - Octamethylcyclotetrasiloxane

Formula:

C₈H₂₄O₄Si₄

Purity:

98%

Color and Shape:

Liquid, Clear Liquid

Molecular weight:

296.6159973144531

Ref: 10-S12400

1kg		To inquire
25g		47.00 €
100g		80.00 €
500g		309.00 €

Estimated delivery in United States, on Monday 24 Mar 2025

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Octamethylcyclotetrasiloxane

Controlled Product

CAS:556-67-2

Applications Octamethylcyclotetrasiloxane, is an organometallic reagent , that can be used for the preparation of …

Formula:

C₈H₂₄O₄Si₄

Color and Shape:

Colourless

Molecular weight:

296.62

Ref: TR-O237145

5g		128.00 €
25g		176.00 €

Estimated delivery in United States, on Monday 24 Mar 2025

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(7.0-8.0% VINYLMETHYLSILOXANE) - DIMETHYLSILOXANE COPOLYMER, TRIMETHYLSILOXY TERMINATED, 800-1,200…

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(7.0-8.0% VINYLMETHYLSILOXANE) - DIMETHYLSILOXANE COPOLYMER, TRIMETHYLSILOXY TERMINATED, 800-1,200 cSt

CAS:556-67-267762-94-1

VDT-731: Vinylmethylsiloxane-Dimethylsiloxane Copolymer, TMS Terminated (Pendant Functional Fluid) Vinyl containing copolymers are used as crosslinkers …

Color and Shape:

Liquid

Molecular weight:

28000.0

Silicones

Ref: 3H-VDT-731

100g To inquire

Estimated delivery in United States, on Thursday 27 Mar 2025

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OCTAMETHYLCYCLOTETRASILOXANE, 98%

CAS:556-67-2

ALD Material Atomic layer deposition (ALD) is a chemically self-limiting deposition technique that is based …

Formula:

C₈H₂₄O₄Si₄

Purity:

98%

Color and Shape:

Colourless Liquid

Molecular weight:

296.61

Silanes

Ref: 3H-SIO6700.0

2kg		To inquire
100g		To inquire
15kg		To inquire
195kg		To inquire

Estimated delivery in United States, on Thursday 27 Mar 2025

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DIMETHYLCYCLOSILOXANES, 99%

CAS:540-97-6 541-02-6 541-05-9 556-67-2

Formula:

((CH₃)₂SiO)₃-₆

Purity:

99%

Color and Shape:

Liquid

Molecular weight:

222.5-445.0

Ref: 3H-SID4075.0

2kg	Discontinued	Request information
17kg	Discontinued	Request information
190kg	Discontinued	Request information

Discontinued product

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Octamethylcyclotetrasiloxane

CAS:556-67-2

Octamethylcyclotetrasiloxane is a chemical compound that consists of eight silicon atoms, eight methyl groups, and …

Formula:

C₈H₂₄O₄Si₄

Purity:

Min. 95%

Molecular weight:

296.62 g/mol

Ref: 3D-FO45367

25g	Discontinued	Request information
50g	Discontinued	Request information
100g	Discontinued	Request information
250g	Discontinued	Request information
500g	Discontinued	Request information

Discontinued product

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