Polydimethylsiloxane, dihydroxy terminated

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Polydimethylsiloxane, dihydroxy terminated

Product Name: Polydimethylsiloxane, dihydroxy terminated
CAS No.: 70131-67-8
Chemical Name: Polydimethylsiloxane, dihydroxy terminated
Synonyms: Hydroxyl Silicone Oil;rf5000;SILICON PS 347.5;Hydroxyl silicone fluid;ps195;fm0411;ps339.7;q4-2737;PS 347.5;x22-160a
CBNumber: CB4328007
Molecular Formula: HOSi
Formula Weight: 45.09284
MOL File: 70131-67-8.mol

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Polydimethylsiloxane, dihydroxy terminated Property

Melting point:: <-60°C
Boiling point:: 182 °C
Density: 0.98 g/mL at 25 °C
refractive index: n20/D 1.406
Flash point:: 155 °F
storage temp.: 2-8°C
form: Liquid
Specific Gravity: 0.97
Water Solubility: Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and ethanol.
InChI: InChI=1S/HOSi/c1-2/h1H
InChIKey: XQSFXFQDJCDXDT-UHFFFAOYSA-N
SMILES: [Si]O[H]
EPA Substance Registry System: Hydroxy-terminated dimethyl siloxanes and silicones (70131-67-8)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 23-24/25-36-26
WGK Germany: 1
RTECS: VW3157812
TSCA: Yes

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 432989
Product name: Poly(dimethylsiloxane), hydroxy terminated
Purity: viscosity 2550-3570cSt
Packaging: 100ml
Price: $50.8
Updated: 2023/06/20

Sigma-Aldrich

Product number: 432989
Product name: Poly(dimethylsiloxane), hydroxy terminated
Purity: viscosity 2550-3570cSt
Packaging: 500ml
Price: $183
Updated: 2023/06/20

Alfa Aesar

Product number: 043769
Product name: Polydimethylsiloxane, hydroxy terminated, M.W. 4200
Packaging: 1L
Price: $190
Updated: 2024/03/01

Alfa Aesar

Product number: 043769
Product name: Polydimethylsiloxane, hydroxy terminated, M.W. 4200
Packaging: 2.5L
Price: $438
Updated: 2024/03/01

Sigma-Aldrich

Product number: 482161
Product name: Poly(dimethylsiloxane), hydroxy terminated
Purity: viscosity 3,500 cSt
Packaging: 250ml
Price: $274
Updated: 2024/03/01

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Polydimethylsiloxane, dihydroxy terminated Chemical Properties,Usage,Production

Description

Polydimethylsiloxane, dihydroxy terminated is a non-toxic, optically transparent, inert, flammable silicone-based organic polymer. It is widely used in heat-resistant lubricants, flame retardants, medical devices, and cosmetics. Polydimethylsiloxane is hydrophobic, cytocompatible and viscoelastic and can be used for water-repellent coatings in the textile industry.

Chemical Properties

Silanol Terminated Polydimethylsiloxane is a silicon-basedorganic polymer that is nontoxic, optically clear, inert, and inflammablematerial. It is widely used in heat-resistant lubricants, fire retardants,medical devices, and cosmetics. Polydimethylsiloxane is hydrophobic,cytocompatible, and viscoelastic which can be used to prepare water-repellentcoatings in the textile industry.

Uses

Polydimethylsiloxane is frequently used in a liquid containing 4-5% silica gel, emulsifiers and preservatives. It is employed in applications like contact lenses, medical devices, elastomers, in shampoos, food (antifoaming agent), caulking, lubricants, kinetic sand , and heat-resistant tiles. PDMS is a common surfactant, component of defoamers and as an herbicidal penetran.

Polydimethylsiloxane, dihydroxy terminated Preparation Products And Raw materials

Raw materials

Octamethylcyclotetrasiloxane Amino-modified silicone oil EMULSIFIER

Preparation Products

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View Lastest Price from Polydimethylsiloxane, dihydroxy terminated manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd

Product: SILANOL TERMINATED POLYDIMETHYLSILOXANE 70131-67-8
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99.91%
Supply Ability: 200000
Release date: 2024-04-18

Henan Fengda Chemical Co., Ltd

Product: Polydimethylsiloxane, dihydroxy terminated 70131-67-8
Price: US $50.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-23

Hebei Duling International Trade Co. LTD

Product: SILANOL TERMINATED POLYDIMETHYLSILOXANE 70131-67-8
Price: US $90.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100 tons
Release date: 2023-04-07

70131-67-8, Polydimethylsiloxane, dihydroxy terminatedRelated Search:

Cupric acetylacetonate Aluminum acetylacetonate 2,4-PENTANEDIONE, SILVER DERIVATIVE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) PHENYLSELENOL N-BUTYLISOCYANIDE DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) Ethyl isocyanoacetate TERT-BUTYL ISOCYANIDE Tris(2,4-pentanedionato)chroMiuM(III) METHYL ISOCYANOACETATE COBALT(II) ACETYLACETONATE SALCOMINE Benzyl isocyanide Ferric acetylacetonate 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Tosylmethyl isocyanide POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED

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