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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Reference substances

Reference substances

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IUPAC name:
2,4,6,8,10-pentamethyl-2,4,6,8,10-pentavinyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane

Inventory

EC number:
241-712-3
EC name:
2,4,6,8,10-pentamethyl-2,4,6,8,10-pentavinylcyclopentasiloxane
CAS number:
17704-22-2
CAS number:
17704-22-2

Synonyms

Molecular and structural information

Molecular formula:
C15H30O5Si5
Molecular weight:
430.825
SMILES notation:
C[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)(C)C=C)C=C
InChl:
1S/C15H30O5Si5/c1-11-21(6)16-22(7,12-2)18-24(9,14-4)20-25(10,15-5)19-23(8,13-3)17-21/h11-15H,1-5H2,6-10H3
Structural formula:
Chemical structure

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