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ChemicalBook >> CAS DataBase List >> Octamethylcyclotetrasiloxane

Octamethylcyclotetrasiloxane

Octamethylcyclotetrasiloxane price.
  • $10 - $499
  • Product name: Octamethylcyclotetrasiloxane
  • CAS: 556-67-2
  • MF: C8H24O4Si4
  • MW: 296.62
  • EINECS:209-136-7
  • MDL Number:MFCD00003269
  • Synonyms:uc7207 ;vs7207 ;1H-Benzimidazol-2-yl-carbamic Acid Methyl Ester-d4;BAS-3460-d4;BAS-67054-d4;BCM-d4;Octamethylcyclotetra;OctaMethylcyclotetrasiloxane, 98% 25GR
32 prices
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  • AK Scientific
  • Alfa Aesar
  • Biorbyt Ltd
  • Chem-Impex
  • Crysdot
  • Frontier Specialty Chemicals
  • Sigma-Aldrich
  • Strem Chemicals
  • TCI Chemical
  • TRC
  • Usbiological

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  • ManufacturerAK Scientific
  • Product numberJ55035
  • Product descriptionOctamethylcyclotetrasiloxane
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7595AH
  • Product descriptionOctamethylcyclotetrasiloxane
  • Packaging25g
  • Price$27
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA15240
  • Product descriptionOctamethylcyclotetrasiloxane, 98%
  • Packaging100g
  • Price$92.8
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA15240
  • Product descriptionOctamethylcyclotetrasiloxane, 98%
  • Packaging500g
  • Price$323
  • Updated2024-03-01
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb600676
  • Product descriptionDPF2
  • Packaging10μg
  • Price$290.7
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number26866
  • Product descriptionDimethylsiloxanecyclictetramer,97%(assay) 97%(assay)
  • Packaging25G
  • Price$11.65
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number26866
  • Product descriptionDimethylsiloxanecyclictetramer,97%(assay) 97%(assay)
  • Packaging100G
  • Price$34.83
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number26866
  • Product descriptionDimethylsiloxanecyclictetramer,97%(assay) 97%(assay)
  • Packaging250G
  • Price$75.38
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number26866
  • Product descriptionDimethylsiloxanecyclictetramer,97%(assay) 97%(assay)
  • Packaging1KG
  • Price$255.36
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD00003430
  • Product description2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97%
  • Packaging100g
  • Price$50
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD00003430
  • Product description2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97%
  • Packaging500g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD00003430
  • Product description2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97%
  • Packaging1000g
  • Price$150
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK609446
  • Product descriptionOctamethylcyclotetrasiloxane 98%
  • Packaging25g
  • Price$25
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK609446
  • Product descriptionOctamethylcyclotetrasiloxane 98%
  • Packaging100g
  • Price$70
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK609446
  • Product descriptionOctamethylcyclotetrasiloxane 98%
  • Packaging500g
  • Price$163
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number8.14750
  • Product descriptionOctamethylcyclotetrasiloxane for synthesis
  • Packaging25ML
  • Price$44.7
  • Updated2023-06-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific J55035 Octamethylcyclotetrasiloxane 5g $10 2021-12-16 Buy
AK Scientific 7595AH Octamethylcyclotetrasiloxane 25g $27 2021-12-16 Buy
Alfa Aesar A15240 Octamethylcyclotetrasiloxane, 98% 100g $92.8 2024-03-01 Buy
Alfa Aesar A15240 Octamethylcyclotetrasiloxane, 98% 500g $323 2024-03-01 Buy
Biorbyt Ltd orb600676 DPF2 10μg $290.7 2021-12-16 Buy
Chem-Impex 26866 Dimethylsiloxanecyclictetramer,97%(assay) 97%(assay) 25G $11.65 2021-12-16 Buy
Chem-Impex 26866 Dimethylsiloxanecyclictetramer,97%(assay) 97%(assay) 100G $34.83 2021-12-16 Buy
Chem-Impex 26866 Dimethylsiloxanecyclictetramer,97%(assay) 97%(assay) 250G $75.38 2021-12-16 Buy
Chem-Impex 26866 Dimethylsiloxanecyclictetramer,97%(assay) 97%(assay) 1KG $255.36 2021-12-16 Buy
Crysdot CD00003430 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97% 100g $50 2021-12-16 Buy
Crysdot CD00003430 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97% 500g $100 2021-12-16 Buy
Crysdot CD00003430 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane 97% 1000g $150 2021-12-16 Buy
Frontier Specialty Chemicals JK609446 Octamethylcyclotetrasiloxane 98% 25g $25 2021-12-16 Buy
Frontier Specialty Chemicals JK609446 Octamethylcyclotetrasiloxane 98% 100g $70 2021-12-16 Buy
Frontier Specialty Chemicals JK609446 Octamethylcyclotetrasiloxane 98% 500g $163 2021-12-16 Buy
Sigma-Aldrich 8.14750 Octamethylcyclotetrasiloxane for synthesis 25ML $44.7 2023-06-20 Buy

Properties

Melting point :17-18 °C (lit.)
Boiling point :175-176 °C (lit.)
Density :0.956 g/mL at 25 °C (lit.)
vapor density :1 (vs air)
vapor pressure :1.32hPa at 25℃
refractive index :n20/D 1.396(lit.)
Flash point :140 °F
storage temp. :Store below +30°C.
solubility :<0.001g/l Hydrolysis
form :liquid
Specific Gravity :0.956
color :colorless
explosive limit :0.4-11.7%(V)
Water Solubility :INSOLUBLE
Sensitive :Moisture Sensitive
Merck :14,6747
BRN :1787074
Dielectric constant :2.4(20℃)
InChIKey :HMMGMWAXVFQUOA-UHFFFAOYSA-N
LogP :6.98 at 21.7℃
CAS DataBase Reference :556-67-2(CAS DataBase Reference)
NIST Chemistry Reference :Cyclotetrasiloxane, octamethyl-(556-67-2)
EPA Substance Registry System :Octamethylcyclotetrasiloxane (556-67-2)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS 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
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning GHS hazard pictograms P273, P391, P501
Precautionary statements:
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P273 Avoid release to the environment.
P308+P313 IF exposed or concerned: Get medical advice/attention.

Description

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.

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