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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Decamethyltetrasiloxane
EC Number:
205-491-7
EC Name:
Decamethyltetrasiloxane
CAS Number:
141-62-8
Molecular formula:
C10H30O3Si4
IUPAC Name:
2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • BRB Silicone Oil 1,5 cSt
  • DM 1.5cSt
  • Dimethicone 1.5cSt
  • SF1000NFC150
  • SF1004N
  • SF9912E
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane

    Legal Entity Composition(s) open all close all

    State Form:
    liquid
    Degree of purity:
    > 99 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
    Impurity 1
    Chemical structure
    Reference substance name:
    Octamethylcyclotetrasiloxane
    EC Number:
    209-136-7
    EC Name:
    Octamethylcyclotetrasiloxane
    CAS Number:
    556-67-2
    Molecular formula:
    C8H24O4Si4
    IUPAC Name:
    octamethylcyclotetrasiloxane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane


    Constituent 1
    Chemical structure
    Reference substance name:
    Decamethyltetrasiloxane
    EC Number:
    205-491-7
    EC Name:
    Decamethyltetrasiloxane
    CAS Number:
    141-62-8
    Molecular formula:
    C10H30O3Si4
    IUPAC Name:
    2,2,4,4,6,6,8,8-octamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane

    Composition(s) generated upon use

    Other types of composition(s)