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

CAS: 70131-67-8 Cat. No.: P433351 Fórmula: HO-(C₂H₆OSi)n-H Número EC: 613-154-4

CALIDAD & PUREZA average Mn ~500, viscosity~25 cSt

Synonyms

PDMS

Storage

Room temperature

Descripción general

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.

Especificaciones

Sinónimos

PDMS

Especificaciones y pureza

average Mn ~500, viscosity~25 cSt 

Condiciones de almacenamiento de almacenamiento

Room temperature

Nombres e identificadores

Pubchem Sid

508816240

Sonrisas canónicas

O[Si]

InChIKey

XQSFXFQDJCDXDT-UHFFFAOYSA-N

INCHI

1S/HOSi/c1-2/h1H

Isómeros 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
    • Clase Miscellaneous mixed metal/non-metals

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Clase: 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
• Descripción: 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

Propiedades químicas y físicas

• Solubilidad: Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and ethanol.
• Índice de refracción: n20/D 1.406
• Punto de inflamación (°C): > 113.00 °C - closed cup
• Punto de ebullición (°C): >200 °C
• Peso molecular: 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