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    ChemicalBook >> CAS DataBase List >> HYDRIDE TERMINATED POLYDIMETHYLSILOXANE

    HYDRIDE TERMINATED POLYDIMETHYLSILOXANE

    HYDRIDE TERMINATED POLYDIMETHYLSILOXANE price.
    • $55.5 - $285
    • Product name: HYDRIDE TERMINATED POLYDIMETHYLSILOXANE
    • CAS: 70900-21-9
    • MF: C6H20O2Si3
    • MW: 208.4783
    • EINECS:
    • MDL Number:MFCD00197934
    • Synonyms:Di-Me-Siloxanes and Silicones hydrogen-terminated;Polysiloxanes di-Me hydrogen-terminated;Hydrogen-terMniated silicone oil;Poly(diMethylsiloxane), hydride terMinated average Mn ~17,500;hydride terminated polydimethylsiloxane, 1,000 cst;hydride terminated polydimethylsiloxane, 10,000 cst;hydride terminated polydimethylsiloxane, 100 cst;hydride terminated polydimethylsiloxane, 2-3 cst
    4 prices
    Selected condition：
    Brand
    • Sigma-Aldrich
    Package
    • 50ml
    • 100ml
    • 250ml
    • ManufacturerSigma-Aldrich
    • Product number423785
    • Product descriptionPoly(dimethylsiloxane), hydride terminated average Mn ~580
    • Packaging50ml
    • Price$55.5
    • Updated2025-07-31
    • Buy
    • ManufacturerSigma-Aldrich
    • Product number423785
    • Product descriptionPoly(dimethylsiloxane), hydride terminated average Mn ~580
    • Packaging250ml
    • Price$209
    • Updated2025-07-31
    • Buy
    • ManufacturerSigma-Aldrich
    • Product number482064
    • Product descriptionPoly(dimethylsiloxane), hydride terminated average Mn ~17,500
    • Packaging100ml
    • Price$258
    • Updated2025-07-31
    • Buy
    • ManufacturerSigma-Aldrich
    • Product number482145
    • Product descriptionPoly(dimethylsiloxane), hydride terminated average Mn ~24,000
    • Packaging100ml
    • Price$285
    • Updated2025-07-31
    • Buy
    Manufacturer Product number Product description Packaging Price Updated Buy
    Sigma-Aldrich 423785 Poly(dimethylsiloxane), hydride terminated average Mn ~580 50ml $55.5 2025-07-31 Buy
    Sigma-Aldrich 423785 Poly(dimethylsiloxane), hydride terminated average Mn ~580 250ml $209 2025-07-31 Buy
    Sigma-Aldrich 482064 Poly(dimethylsiloxane), hydride terminated average Mn ~17,500 100ml $258 2025-07-31 Buy
    Sigma-Aldrich 482145 Poly(dimethylsiloxane), hydride terminated average Mn ~24,000 100ml $285 2025-07-31 Buy

    Properties

    Melting point :<-60°C
    Boiling point :230 °C(lit.)
    Density :0.971 g/mL at 25 °C
    refractive index :n20/D 1.406
    Flash point :215 °F
    form :liquid
    Specific Gravity :0.90
    InChI :InChI=1S/C6H20O2Si3/c1-9(2)7-11(5,6)8-10(3)4/h9-10H,1-6H3
    InChIKey :HZBDPZBVINJJET-UHFFFAOYSA-N
    SMILES :[Si](O[SiH](C)C)(O[SiH](C)C)(C)C
    EPA Substance Registry System :Siloxanes and Silicones, di-Me, hydrogen-terminated (70900-21-9)

    Safety Information

    Symbol(GHS): GHS hazard pictograms
    Signal word: Warning
    Hazard statements:
    Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
    H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
    H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
    H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
    Precautionary statements:
    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
    P264 Wash hands thoroughly after handling.
    P264 Wash skin thouroughly after handling.
    P271 Use only outdoors or in a well-ventilated area.
    P280 Wear protective gloves/protective clothing/eye protection/face protection.
    P302+P352 IF ON SKIN: wash with plenty of soap and water.
    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

    Description

    Polydimethylsiloxane hydride terminated is soluble in many organic solvents, such as aromatic hydrocarbon and petroleum hydrocarbons, and so on. it is a kind of widely used organic silicon intermediates, and can be used as organic silicon blocking agent usually. Due to containing reactive Si-H groups in the molecular structure, it can be used in the synthesis of copolymer macromolecule by hydrosilylation. The synthesis of copolymer macromolecule can be made into a series of reactive silicone oil.

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