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
- Molecular Weight:
- 45.09284
- MDL Number:
- MFCD00286442
- MOL File:
- 70131-67-8.mol
Melting point | <-60°C |
---|---|
Boiling point | 182 °C |
Density | 0.98 g/mL at 25 °C |
refractive index |
n |
Flash point | 155 °F |
storage temp. | 2-8°C |
form | Liquid |
Specific Gravity | 0.97 |
Viscosity | 100cs |
Viscosity | 18,000cs |
Viscosity | 2,000cs |
Viscosity | 25cs |
Viscosity | 60cs |
Viscosity | 700cs |
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) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | ![]() GHS07 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Warning | |||||||||
Hazard statements | H319 | |||||||||
Precautionary statements | P264-P280-P305+P351+P338-P337+P313P | |||||||||
Hazard Codes | Xi | |||||||||
Risk Statements | 36/37/38 | |||||||||
Safety Statements | 23-24/25-36-26 | |||||||||
WGK Germany | 1 | |||||||||
RTECS | VW3157812 | |||||||||
TSCA | Yes | |||||||||
NFPA 704 |
|
Polydimethylsiloxane, dihydroxy terminated price More Price(28)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | 432989 | Poly(dimethylsiloxane), hydroxy terminated viscosity 2550-3570cSt | 70131-67-8 | 100ml | $50.8 | 2023-06-20 | Buy |
Sigma-Aldrich | 432989 | Poly(dimethylsiloxane), hydroxy terminated viscosity 2550-3570cSt | 70131-67-8 | 500ml | $183 | 2023-06-20 | Buy |
Alfa Aesar | 043769 | Polydimethylsiloxane, hydroxy terminated, M.W. 4200 | 70131-67-8 | 1L | $190 | 2024-03-01 | Buy |
Alfa Aesar | 043769 | Polydimethylsiloxane, hydroxy terminated, M.W. 4200 | 70131-67-8 | 2.5L | $438 | 2024-03-01 | Buy |
scipoly | 870 | Polydimethylsiloxane, dihydroxy terminated | 70131-67-8 | 50g | $58 | 2024-07-03 | Buy |
Polydimethylsiloxane, dihydroxy terminated Chemical Properties,Uses,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.
Solubility in organics
THF, toluene, Insoluble in water
Polydimethylsiloxane, dihydroxy terminated Preparation Products And Raw materials
Raw materials
Preparation Products
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | China | 52861 | 58 |
Wuhan Kemi-Works Chemical Co., Ltd. | +86-2785736489 +8618171418573 | sales@kemiworks.com | China | 707 | 58 |
Univar Solutions(China) Co., Ltd. | +8615902132654 | ivy.zhuang@univarsolutions.com | China | 654 | 58 |
Iota silicone oil (Anhui) Co.,ltd. | +86-15255260163 | sales05@siliconeoil.net | China | 311 | 58 |
Wuhan Bright Chemical Co., Ltd | +86-02785804899 +86-15071395570 | alice@brightchemical.com.cn | China | 93 | 58 |
Dongguan City Betterly New Materials co.,Ltd | +86-13713468294 +86-13713468294 | waimaobu@betely.com | China | 39 | 58 |
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12460 | 58 |
Hebei Yanxi Chemical Co., Ltd. | +86-17531190177; +8617531190177 | peter@yan-xi.com | China | 6011 | 58 |
Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 +86-17331933971 | deasea125996@gmail.com | China | 2503 | 58 |
Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20314 | 58 |
View Lastest Price from Polydimethylsiloxane, dihydroxy terminated manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
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2024-06-03 | Polydimethylsiloxane, dihydroxy terminated
70131-67-8
|
US $55.00 / kg | 1kg | 99% | 5000kg/week | Hebei Zhuanglai Chemical Trading Co.,Ltd | |
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2024-04-19 | SILANOL TERMINATED POLYDIMETHYLSILOXANE
70131-67-8
|
US $1.00 / KG | 1KG | 99.91% | 200000 | Ouhuang Engineering Materials (Hubei) Co., Ltd | |
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2023-12-24 | Polydimethylsiloxane, dihydroxy terminated
70131-67-8
|
US $50.00-1.00 / KG | 1KG | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
-
- Polydimethylsiloxane, dihydroxy terminated
70131-67-8
- US $55.00 / kg
- 99%
- Hebei Zhuanglai Chemical Trading Co.,Ltd
-
- SILANOL TERMINATED POLYDIMETHYLSILOXANE
70131-67-8
- US $1.00 / KG
- 99.91%
- Ouhuang Engineering Materials (Hubei) Co., Ltd
-
- Polydimethylsiloxane, dihydroxy terminated
70131-67-8
- US $50.00-1.00 / KG
- 99%
- Henan Fengda Chemical Co., Ltd
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