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

2,4,6,8-Tetramethylcyclotetrasiloxane

2,4,6,8-Tetramethylcyclotetrasiloxane price.
  • $11 - $1295
  • 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 ;2,4,6,8-tetramethyl-1,3,5,7,2λ3,4λ3,6λ3,8λ3-tetraoxatetrasilocane;2,4,6,8-Tetramethylcyclotetrasiloxane(HD4);Cyclotetrasiloxane, 2,4,6,8-tetramethyl-;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
Price34 Properties Safety Information Description
34 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Arctom
  • Chem-Impex
  • Frontier Specialty Chemicals
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
  • 50mg
  • 100mg
  • 100ul
  • 5g
  • 25g
  • 25ml
  • 100ml
  • 100g
  • 4x25g
  • 250G
  • 500g
  • 1KG
  • Manufactureraablocks
  • Product numberAA002O4Q
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥98%
  • Packaging5g
  • Price$11
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002O4Q
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 95%
  • Packaging25g
  • Price$26
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002O4Q
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 95%
  • Packaging100g
  • Price$98
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002O4Q
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥98%
  • Packaging500g
  • Price$400
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53172
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane
  • Packaging4x25g
  • Price$134
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberV2410
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane
  • Packaging5g
  • Price$17
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A624556
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging5g
  • Price$14
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-0197068
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging25g
  • Price$23
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-0197068
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging100g
  • Price$60
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A624556
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging100g
  • Price$67
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A624556
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging25g
  • Price$26
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A624556
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane 98%
  • Packaging500g
  • Price$332
  • Updated2026-05-26
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay)
  • Packaging250G
  • Price$330
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay)
  • Packaging1KG
  • Price$1295
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay)
  • Packaging100G
  • Price$140
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number40502
  • Product description2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay)
  • Packaging5G
  • Price$20
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002O4Q 2,4,6,8-Tetramethylcyclotetrasiloxane ≥98% 5g $11 2026-05-28 Buy
aablocks AA002O4Q 2,4,6,8-Tetramethylcyclotetrasiloxane 95% 25g $26 2026-05-28 Buy
aablocks AA002O4Q 2,4,6,8-Tetramethylcyclotetrasiloxane 95% 100g $98 2026-05-28 Buy
aablocks AA002O4Q 2,4,6,8-Tetramethylcyclotetrasiloxane ≥98% 500g $400 2026-05-28 Buy
AK Scientific J53172 2,4,6,8-Tetramethylcyclotetrasiloxane 4x25g $134 2021-12-16 Buy
AK Scientific V2410 2,4,6,8-Tetramethylcyclotetrasiloxane 5g $17 2021-12-16 Buy
Arctom BD-A624556 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 5g $14 2026-05-26 Buy
Arctom CS-0197068 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 25g $23 2026-05-26 Buy
Arctom CS-0197068 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 100g $60 2026-05-26 Buy
Arctom BD-A624556 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 100g $67 2026-05-26 Buy
Arctom BD-A624556 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 25g $26 2026-05-26 Buy
Arctom BD-A624556 2,4,6,8-Tetramethylcyclotetrasiloxane 98% 500g $332 2026-05-26 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay) 250G $330 2026-05-19 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay) 1KG $1295 2026-05-19 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay) 100G $140 2026-05-19 Buy
Chem-Impex 40502 2,4,6,8-Tetramethylcyclotetrasiloxane ≥99%(Assay) 5G $20 2026-05-19 Buy
Next Last

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.
Hydrolytic Sensitivity :3: reacts with aqueous base
Sensitive :Moisture Sensitive
BRN :1787074
InChI :1S/C4H16O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h9-12H,1-4H3
InChIKey :BQYPERTZJDZBIR-UHFFFAOYSA-N
SMILES :C[SiH]1O[SiH](C)O[SiH](C)O[SiH](C)O1
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): Flame (GHS02)Exclamation Mark (GHS07)
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 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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Suppliers and manufacturers

Hubei Norna Technology Limited Company Zhangjiakou Siruikai Technology Co., LTD Hubei Changfu Chemical Co., Ltd. HANGZHOU JIUXI CHEMICAL CO.,LTD Hubei Zhonglong Kangsheng fine chemical Co.,Ltd Hubei Xinliheng Chemical Co., Ltd Shanghai Sig Biotechnology Co., Ltd J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar