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Poly(dimethylsiloxane) structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

Poly(dimethylsiloxane) Properties

Melting point:
Boiling point:
vapor pressure 
5 mm Hg ( 20 °C)
refractive index 
Flash point:
Viscous Liquid
Specific Gravity
Water Solubility 
Stable. Flammable or combustible. Flammability depends upon extent of polymerization. Incompatible with strong oxidizing agents.
EPA Substance Registry System
Poly[oxy(dimethylsilylene)] (9016-00-6)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Risk Statements  36/37/38
Safety Statements  24/25
RIDADR  1993
WGK Germany  2
RTECS  TQ2690000
HazardClass  3
HS Code  39100000
Hazardous Substances Data 9016-00-6(Hazardous Substances Data)
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P403+P235 Store in a well-ventilated place. Keep cool.

Poly(dimethylsiloxane) price More Price(57)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich DMPS1M Dimethylpolysiloxane viscosity 1,000 cSt (25 °C)(lit.) 9016-00-6 1kg $247 2018-11-13 Buy
Sigma-Aldrich 1546300 Polydimethylsiloxane United States Pharmacopeia (USP) Reference Standard 9016-00-6 500mg $401 2018-11-13 Buy
Alfa Aesar 042490 Polydimethylsiloxane, trimethylsiloxy terminated, M.W. 14,000 9016-00-6 1L $112 2018-11-16 Buy
Alfa Aesar 042490 Polydimethylsiloxane, trimethylsiloxy terminated, M.W. 14,000 9016-00-6 50ml $19.4 2018-11-16 Buy
Sigma-Aldrich DMPS2X Dimethylpolysiloxane viscosity 20 cSt (25 °C)(lit.) 9016-00-6 500g $116 2018-11-13 Buy

Poly(dimethylsiloxane) Chemical Properties,Uses,Production

Chemical Properties

colourless liquid with a viscosity which




Silicones are polymeric materials having silicon and oxygen on their composition. They are largely inert compounds usually heat-resistant, nonstick, and rubberlike. Polydimethylsiloxane (PDMS, molecular formula (C2H6OSi)n, density 965 kg/m3, boiling point: < 200℃, shear modulus between 100 kPa and 3 MPa, loss tangent less than 0.001) is a viscoelastic polymer (elastomer). PDMS is widely used in microfluidic technology thanks to some of its unique properties: it is low cost, nontoxic, chemically resistant, and stable against humidity and temperature variations. PDMS also presents low interfacial energy, which allows it to avoid chemical interactions with other polymers and solutions in the microfluidic channels. After polymerization and cross-linking, solid PDMS presents hydrophobic surface. A treatment using plasma oxidation is frequently used to alter the surface chemistry by adding silanol (SiOH) groups to the surface terminations and make the surface hydrophilic (wettable). PDMS is usually used as sealant, structural microchannel material or elastomer stamping matrix in soft lithography techniques like microcontact printing and micromolding.


Poly(dimethylsiloxane) is an antifoaming agent used in fats and oils. It prevents foaming and spattering when oils are heated and prevents foam formation during the manufacture of wine, refined sugar, gelatin, and chewing gum. It is also termed methyl polysilicone and methyl silicone.

brand name

Gas-X (Novartis); Mylanta Gas Relief (Johnson & Johnson-Merck Consumer); Mylicon Infant’s Drops (Johnson & Johnson-Merck Consumer); Sentry Simethicone (Witco); Sentry Simethicone Emulsion (Witco).

General Description

Colorless odorless liquid, Floats on water.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Poly(dimethylsiloxane) is a weak reducing agent.

Health Hazard

Contact of liquid with eyes may cause temporary discomfort. Does not irritate skin. Harmless when ingested.

Pharmaceutical Applications

Simethicone is a mixture of poly(dimethyl siloxane) and silica gel, known for their antifoaming properties. It is an orally administered suspension containing polysiloxanes and silicon dioxide. It is an antifoaming agent and is used to reduce bloating by decreasing the surface tension in bubbles. Excessive formation of gas bubbles in the stomach and intestines can be painful and can also be of hindrance for any ultrasound examination. Simethicone can be found in antacids and in suspensions given to babies against colic.

Poly(dimethylsiloxane) Preparation Products And Raw materials

Raw materials

Preparation Products

Poly(dimethylsiloxane) Suppliers

Global( 137)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hangzhou Bayee Chemical Co., Ltd.
0086-571-86990109; 0086-18605816692
0086-571-85775919 China 98 55
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 CHINA 3203 55
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 21954 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20680 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 CHINA 1367 55
Hangzhou FandaChem Co.,Ltd.
0086 158 5814 5714 (Mobile; WhatsApp; Telegram)
+86-571-56059825 CHINA 2561 55
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24001 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20095 58
Haihang Industry Co.,Ltd
+86 531 8582 1093 CHINA 4669 58
Hebei Ruishun Trade Co.,LTD
17052563120 CHINA 303 58

View Lastest Price from Poly(dimethylsiloxane) manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-07-23 Polydimethylsiloxane (PDMS)
US $6600.00-6570.00 / KG 500KG 350CPS 100MT/month or Customized career henan chemical co
2018-09-11 Solydimethyl siloxane
US $1.00 / G 100G 99.9% 50000tons Hebei Ruishun Trade Co.,Ltd

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