Poly(dimethylsiloxane), hydroxy terminated(PDMS) - average Mn ~500, viscosity~25 cSt , CAS No.70131-67-8

CAS: 70131-67-8 Cat. No.: P433351 Summenformel: HO-(C₂H₆OSi)n-H EG-Nummer: 613-154-4

QUALITÄT & REINHEIT average Mn ~500, viscosity~25 cSt

Synonyms

PDMS

Storage

Room temperature

Übersicht

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.

Spezifikationen

Synonyme

PDMS

Spezifikationen & Reinheit

average Mn ~500, viscosity~25 cSt 

Storage

Room temperature

Namen und Kennungen

Pubchem Sid

508816240

Kanonisches Lächeln

O[Si]

InChIKey

XQSFXFQDJCDXDT-UHFFFAOYSA-N

INCHI

1S/HOSi/c1-2/h1H

Isomere SMILES

O[Si]

Reaxy-Rn

15926686

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=15926686&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Klasse Miscellaneous mixed metal/non-metals

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Klasse: Miscellaneous mixed metal/non-metals
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Miscellaneous mixed metal/non-metals
• Alternative Parents: Metalloid salts
• Molecular Framework: Not available
• Substituents: Miscellaneous mixed metal/non-metal - Inorganic metalloid salt
• Beschreibung: This compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemische und physikalische Eigenschaften

• Löslichkeit: Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and ethanol.
• Brechungsindex: n20/D 1.406
• Flammpunkt (°C): > 113.00 °C - closed cup
• Siedepunkt (°C): >200 °C
• Molekulargewicht: 45.092 g/mol
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 44.9797 Da
• Monoisotopic Mass: 44.9797 Da
• Topological Polar Surface Area: 20.200 Ų
• Heavy Atom Count: 2
• Formal Charge: 0
• Complexity: 2.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

XLogP3