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ChemicalBook >> CAS DataBase List >> 2,4,6,8-Tetramethylcyclotetrasiloxane

2,4,6,8-Tetramethylcyclotetrasiloxane

2,4,6,8-Tetramethylcyclotetrasiloxane price.
  • $17 - $1070
  • Product name: 2,4,6,8-Tetramethylcyclotetrasiloxane
  • CAS: 2370-88-9
  • MF: C4H16O4Si4
  • MW: 240.51
  • EINECS:219-137-4
  • MDL Number:MFCD00039567
  • Synonyms:2,4,6,8-tetramethylcyclotetrasiloxane,mixtureofisomers ;Cyclotetrasiloxane, 2,4,6,8-tetramethyl-;Tetramethylcyclotetrasiloxane;2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE, 9 9.5+%;1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE (2% CHLOROSILANE STABILIZED);1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE 95+%;2,4,6,8-Tetramethylcyclotetrasiloxane, 95%, mixture of isomers;1,3,5,7-Tetramethyl-2,4,6,8-tetraoxa-1,3,5,7-tetrasilacyclooctane
21 prices
Brand
  • AK Scientific
  • Alfa Aesar
  • Chem-Impex
  • Frontier Specialty Chemicals
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
Package
  • 50mg
  • 100mg
  • 5g
  • 25ml
  • 25g
  • 100g
  • 4x25g
  • 100ml
  • ManufacturerAK Scientific
  • Product numberV2410
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane
  • Packaging5g
  • Price$17
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53172
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane
  • Packaging4x25g
  • Price$134
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL16642
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
  • Packaging25g
  • Price$160
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL16642
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
  • Packaging100g
  • Price$481
  • Updated2024-03-01
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC)
  • Packaging5G
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC)
  • Packaging25G
  • Price$92.96
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC)
  • Packaging100G
  • Price$328.16
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK560896
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 95%
  • Packaging5g
  • Price$42
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK984609
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 99%
  • Packaging5g
  • Price$44
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK560896
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 95%
  • Packaging25g
  • Price$125
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK984609
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 99%
  • Packaging25g
  • Price$132
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK560896
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 95%
  • Packaging100g
  • Price$381
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK984609
  • Product description1,3,5,7-Tetramethylcyclotetrasiloxane 99%
  • Packaging100g
  • Price$401
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number512990
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥99.999% trace metals basis
  • Packaging25ml
  • Price$379
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number512990
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥99.999% trace metals basis
  • Packaging100ml
  • Price$630
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number760293
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane packaged for use in deposition systems
  • Packaging25ml
  • Price$1070
  • Updated2023-06-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific V2410 2,4,6,8-Tetramethylcyclotetrasiloxane 5g $17 2021-12-16 Buy
AK Scientific J53172 2,4,6,8-Tetramethylcyclotetrasiloxane 4x25g $134 2021-12-16 Buy
Alfa Aesar L16642 2,4,6,8-Tetramethylcyclotetrasiloxane, 99% 25g $160 2024-03-01 Buy
Alfa Aesar L16642 2,4,6,8-Tetramethylcyclotetrasiloxane, 99% 100g $481 2024-03-01 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC) 5G $28 2021-12-16 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC) 25G $92.96 2021-12-16 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane,98.5%(GC) 98.5%(GC) 100G $328.16 2021-12-16 Buy
Frontier Specialty Chemicals JK560896 1,3,5,7-Tetramethylcyclotetrasiloxane 95% 5g $42 2021-12-16 Buy
Frontier Specialty Chemicals JK984609 1,3,5,7-Tetramethylcyclotetrasiloxane 99% 5g $44 2021-12-16 Buy
Frontier Specialty Chemicals JK560896 1,3,5,7-Tetramethylcyclotetrasiloxane 95% 25g $125 2021-12-16 Buy
Frontier Specialty Chemicals JK984609 1,3,5,7-Tetramethylcyclotetrasiloxane 99% 25g $132 2021-12-16 Buy
Frontier Specialty Chemicals JK560896 1,3,5,7-Tetramethylcyclotetrasiloxane 95% 100g $381 2021-12-16 Buy
Frontier Specialty Chemicals JK984609 1,3,5,7-Tetramethylcyclotetrasiloxane 99% 100g $401 2021-12-16 Buy
Sigma-Aldrich 512990 2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥99.999% trace metals basis 25ml $379 2024-03-01 Buy
Sigma-Aldrich 512990 2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥99.999% trace metals basis 100ml $630 2024-03-01 Buy
Sigma-Aldrich 760293 2,4,6,8-Tetramethylcyclotetrasiloxane packaged for use in deposition systems 25ml $1070 2023-06-20 Buy

Properties

Melting point :−69 °C(lit.)
Boiling point :134 °C(lit.)
Density :0.986 g/mL at 25 °C(lit.)
vapor pressure :0.05-479Pa at 20℃
refractive index :n20/D 1.387(lit.)
Flash point :76 °F
storage temp. :2-8°C
form :liquid
Specific Gravity :0.991
color :Colorless to Almost colorless
Water Solubility :Miscible with most organic solvents. Immiscible with water.
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :3: reacts with aqueous base
BRN :1787074
InChIKey :BQYPERTZJDZBIR-UHFFFAOYSA-N
LogP :-2.4-5.54 at 25℃
CAS DataBase Reference :2370-88-9(CAS DataBase Reference)
EPA Substance Registry System :Cyclotetrasiloxane, 2,4,6,8-tetramethyl- (2370-88-9)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Description

2, 4, 6, 8-TETRAMETHYLCYCLOTETRASILOXANE can be used as the precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, and gate dielectrics in thin-film transistors (TFT) (for example, for the preparation of ultralow dielectric constant pSiCOH film), and is a component of photochemically formed SiOX monolayers on TiO. It is a good impregnant of photoelectric material. It can be used for the manufacturing of modified siloxane with defined hydrogen content and chain quality.

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