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CAS No.:

556-67-2

Port:

Shanghai

Brand:

BAYEE

Packaging:

in 190kgs plastic coated metal drum or 950kg IBC

Price valid (until):

2026-02-13

Company Type:
Trader
Location:
China
Qualification:
Main Products:

chemical

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Detailed introduction



    Specification:

    Testing Item Standard
    Content (%) 99.0 Min.
    Viscosity: (25°C) 2.30mm2/s
    Refractive index: (n D25) 1.3960-1.3970
    Water Solubility Insoluble
    Properties Colorless transparent oily liquid, flammable

    HS Code: 2931900001

    CAS No.: 556-67-2

    EINECS: 209-136-7

    UN No.: 1993

    Hazardous Grade: 3

    Packing Type: III

    Usages: Silicone oil, silicone rubber intermediate and used in auxiliary.                 

    Packing: in 190kgs plastic coated metal drum or 950kg IBC

    ECHEMI Editorial Reference
    It is milk-white viscous liquid and is non-volatile and odorless. It has a relative density of O.98~1.02. It is miscible with benzene, gasoline and other kinds of chlorinated hydrocarbons, aliphatic and aromatic hydrocarbons; it is not soluble in methanol, ethanol and water, but can be dispersed in water. It is Non-flammable, non-corrosive and is chemically stable. ADI: 0~1.5mg /start (FAO/WHO, 1994). viscous colourless liquid

    Basic Info
    Product Name:

    Octamethylcyclotetrasiloxane

    Other Name:

    Cyclotetrasiloxane,2,2,4,4,6,6,8,8-octamethyl-;Cyclotetrasiloxane,octamethyl-;2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane;Octamethylcyclotetrasiloxane;NUC Silicone VS 7207;Union Carbide 7207;SF 1173;UC 7207;VS 7207;Cyclic dimethylsiloxane tetramer;KF 994;SH 344;Abil K 4;Octamethylcyclotetrasiloxanes;Silbione V 2;Dow Corning 244;Dow Corning 344;Volasil 244;DC 344;Mirasil CM 4;TSF 404;LS 8620;D 4;Dabco DC 5258;DC 5258;Tetracyclomethicone;Y 7175;NSC 345674;SH 244;Silbione 70045V2;DC 244;Dow Corning 244 Fluid;DWQ 110;DWQ 120;PMX 0110;XF 3803;YF 393;ZBH 270;SH 244 Fluid;SH 30;Additive 8030;2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;L 6907;83874-62-8;104986-37-0;117563-66-3;1257661-59-8

    CAS No.:

    556-67-2

    Molecular Formula:

    C8H24O4Si4

    InChIKeys:

    InChIKey=HMMGMWAXVFQUOA-UHFFFAOYSA-N

    Molecular Weight:

    92.1692

    Exact Mass:

    296.62

    EC Number:

    209-136-7

    HScode:

    2942000000

    Categories:

    Polymer

    Characteristics
    PSA:

    40.46

    XLogP3:

    -0.3272

    Appearance:

    Transparent colorless liquid

    Density:

    0.9558 g/cm3

    Melting Point:

    17.5 °C

    Boiling Point:

    175 °C

    Flash Point:

    33 °F

    Refractive Index:

    n20/D 1.377(lit.)

    Water Solubility:

    H2O: Insoluble

    Storage Conditions:

    Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.

    Vapor Pressure:

    <5 mm Hg ( 25 °C)

    Vapor Density:

    >1 (vs air)

    Toxicity:

    LD50 oral in rat: > 17gm/kg

    Hazard Identification

    Classification of the substance or mixture

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 4

    Reproductive toxicity, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H413 May cause long lasting harmful effects to aquatic life

    Precautionary statement(s)
    Prevention

    P273 Avoid release to the environment.

    P203 Obtain, read and follow all safety instructions before use.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P318 IF exposed or concerned, get medical advice.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): Flammable liquids.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    chemical

    Location:

    Floor 11, No.380, Jiangnan Great Avenue, Binjiang, Hangzhou, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,100% TT in advance

    Year of Establishment:

    2004

  • Inquiry History
    1 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Octamethylcyclotetrasiloxane

    1.00 KG Dec 24, 2025
    Post an enquiry for this product
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