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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Identification

Chemical structure
Display Name:
2,2,10,10-tetramethyl-4,6,8-triphenyl-4,6,8-tris[(trimethylsilyl)oxy]-3,5,7,9-tetraoxa-2,4,6,8,10-pentasilaundecane; 2,2,6,6-tetramethyl-4-phenyl-4-[(trimethylsilyl)oxy]-3,5-dioxa-2,4,6-trisilaheptane; 2,2,8,8-tetramethyl-4,6-diphenyl-4,6-bis[(trimethylsilyl)oxy]-3,5,7-trioxa-2,4,6,8-tetrasilanonane
EC Number:
939-487-8
CAS Number:
70131-69-0
Molecular formula:
not determinable
IUPAC Name:
2,2,10,10-tetramethyl-4,6,8-triphenyl-4,6,8-tris[(trimethylsilyl)oxy]-3,5,7,9-tetraoxa-2,4,6,8,10-pentasilaundecane; 2,2,6,6-tetramethyl-4-phenyl-4-[(trimethylsilyl)oxy]-3,5-dioxa-2,4,6-trisilaheptane; 2,2,8,8-tetramethyl-4,6-diphenyl-4,6-bis[(trimethylsilyl)oxy]-3,5,7-trioxa-2,4,6,8-tetrasilanonane

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 939-487-8
  • 70131-69-0
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    EC Number:
    218-320-6
    EC Name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    CAS Number:
    2116-84-9
    Molecular formula:
    C15H32O3Si4
    IUPAC Name:
    1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    Constituent 2
    Chemical structure
    Reference substance name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    CAS Number:
    18758-91-3
    Molecular formula:
    C24H46O5Si6
    IUPAC Name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    Constituent 3
    Reference substance name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    IUPAC Name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    Constituent 4
    Reference substance name:
    2,2,12,12-tetramethyl-4,6,8,10-tetraphenyl-4,6,8,10-tetrakis[(trimethylsilyl)oxy]-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane
    IUPAC Name:
    2,2,12,12-tetramethyl-4,6,8,10-tetraphenyl-4,6,8,10-tetrakis[(trimethylsilyl)oxy]-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane
    Constituent 5
    Reference substance name:
    2,2,14,14-tetramethyl-4,6,8,10,12-pentaphenyl-4,6,8,10,12-pentakis[(trimethylsilyl)oxy]-3,5,7,9,11,13-hexaoxa-2,4,6,8,10,12,14-heptasilapentadecane
    IUPAC Name:
    2,2,14,14-tetramethyl-4,6,8,10,12-pentaphenyl-4,6,8,10,12-pentakis[(trimethylsilyl)oxy]-3,5,7,9,11,13-hexaoxa-2,4,6,8,10,12,14-heptasilapentadecane

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    EC Number:
    218-320-6
    EC Name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    CAS Number:
    2116-84-9
    Molecular formula:
    C15H32O3Si4
    IUPAC Name:
    1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    Constituent 2
    Chemical structure
    Reference substance name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    CAS Number:
    18758-91-3
    Molecular formula:
    C24H46O5Si6
    IUPAC Name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    Constituent 3
    Chemical structure
    Reference substance name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    Molecular formula:
    C33H60O7Si8
    IUPAC Name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    Constituent 4
    Chemical structure
    Reference substance name:
    2,2,12,12-tetramethyl-4,6,8,10-tetraphenyl-4,6,8,10-tetrakis[(trimethylsilyl)oxy]-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane
    Molecular formula:
    C42H74O9Si10
    IUPAC Name:
    2,2,12,12-tetramethyl-4,6,8,10-tetraphenyl-4,6,8,10-tetrakis[(trimethylsilyl)oxy]-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane
    Constituent 5
    Chemical structure
    Reference substance name:
    2,2,14,14-tetramethyl-4,6,8,10,12-pentaphenyl-4,6,8,10,12-pentakis[(trimethylsilyl)oxy]-3,5,7,9,11,13-hexaoxa-2,4,6,8,10,12,14-heptasilapentadecane
    Molecular formula:
    C51H88O11Si12
    IUPAC Name:
    2,2,14,14-tetramethyl-4,6,8,10,12-pentaphenyl-4,6,8,10,12-pentakis[(trimethylsilyl)oxy]-3,5,7,9,11,13-hexaoxa-2,4,6,8,10,12,14-heptasilapentadecane
    Constituent 6
    Chemical structure
    Reference substance name:
    2,4,6-tetraphenyl-2,4,6-tetra(trimethylsiloxy)cyclotrisiloxane
    Molecular formula:
    C27H42O6Si6
    IUPAC Name:
    2,4,6-tetraphenyl-2,4,6-tetra(trimethylsiloxy)cyclotrisiloxane
    Constituent 7
    Chemical structure
    Reference substance name:
    2,4,6,8-tetraphenyl-2,4,6,8-tetra(trimethylsiloxy)cyclotetrasiloxane
    Molecular formula:
    C36H56O8Si8
    IUPAC Name:
    2,4,6,8-tetraphenyl-2,4,6,8-tetra(trimethylsiloxy)cyclotetrasiloxane
    Constituent 8
    Chemical structure
    Reference substance name:
    2,4,6,8,10-pentaphenyl-2,4,6,8,10- penta(trimethylsiloxy)cyclotetrasiloxane
    Molecular formula:
    C45H70O10Si10
    IUPAC Name:
    2,4,6,8,10-pentaphenyl-2,4,6,8,10- penta(trimethylsiloxy)cyclotetrasiloxane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    Molecular formula:
    C33H60O7Si8
    IUPAC Name:
    1,1,1,9,9,9-Hexamethyl-3,5,7-triphenyl-3,5,7-tris[(trimethylsilyl)oxy]pentasiloxane
    Constituent 2
    Chemical structure
    Reference substance name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    CAS Number:
    18758-91-3
    Molecular formula:
    C24H46O5Si6
    IUPAC Name:
    1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
    Constituent 3
    Chemical structure
    Reference substance name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    EC Number:
    218-320-6
    EC Name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    CAS Number:
    2116-84-9
    Molecular formula:
    C15H32O3Si4
    IUPAC Name:
    1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    EC Number:
    218-320-6
    EC Name:
    1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    CAS Number:
    2116-84-9
    Molecular formula:
    C15H32O3Si4
    IUPAC Name:
    1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
    Constituent 2
    Chemical structure
    Reference substance name:
    3,3'-oxybis(1,1,1,5,5,5-hexamethyl-3-phenyltrisiloxane)
    Molecular formula:
    C24H46O5Si6
    IUPAC Name:
    3,3'-oxybis(1,1,1,5,5,5-hexamethyl-3-phenyltrisiloxane)
    Constituent 3
    Chemical structure
    Reference substance name:
    1,1,1,9,9,9-hexamethyl-3,5,7-triphenyl-3,5,7-tris((trimethylsilyl)oxy)pentasiloxane
    Molecular formula:
    C33H60O7Si8
    IUPAC Name:
    1,1,1,9,9,9-hexamethyl-3,5,7-triphenyl-3,5,7-tris((trimethylsilyl)oxy)pentasiloxane
    Constituent 4
    Chemical structure
    Reference substance name:
    5,5'-oxybis(1,1,1,7,7,7-hexamethyl-3,5-diphenyl-3-((trimethylsilyl)oxy)tetrasiloxane)
    Molecular formula:
    C42H74O9Si10
    IUPAC Name:
    5,5'-oxybis(1,1,1,7,7,7-hexamethyl-3,5-diphenyl-3-((trimethylsilyl)oxy)tetrasiloxane)
    Constituent 5
    Chemical structure
    Reference substance name:
    1,1,1,13,13,13-hexamethyl-3,5,7,9,11-pentaphenyl-3,5,7,9,11-pentakis((trimethylsilyl)oxy)heptasiloxane
    Molecular formula:
    C51H88O11Si12
    IUPAC Name:
    1,1,1,13,13,13-hexamethyl-3,5,7,9,11-pentaphenyl-3,5,7,9,11-pentakis((trimethylsilyl)oxy)heptasiloxane
    Constituent 6
    Chemical structure
    Reference substance name:
    7,7'-oxybis(1,1,1,9,9,9-hexamethyl-3,5,7-triphenyl-3,5-bis((trimethylsilyl)oxy)pentasiloxane)
    Molecular formula:
    C60H102O13Si14
    IUPAC Name:
    7,7'-oxybis(1,1,1,9,9,9-hexamethyl-3,5,7-triphenyl-3,5-bis((trimethylsilyl)oxy)pentasiloxane)
    Constituent 7