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Decamethylcyclopentasiloxane Basic information
Product Name: Decamethylcyclopentasiloxane
Synonyms: 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane;CD3770;cyclicdimethylsiloxanepentamer;Cyclopentasiloxane, decamethyl-;D3770;Decamethylcylopentasiloxane;Decaαthyl-pentasil-pentoxan;Dekamethylcyklopentasiloxan
CAS: 541-02-6
MF: C10H30O5Si5
MW: 370.77
EINECS: 208-764-9
Product Categories: Siloxanes;Organics;Si (Classes of Silicon Compounds);Si-O Compounds;Organometallic Reagents;Organosilicon;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Silicone Series
Mol File: 541-02-6.mol
Decamethylcyclopentasiloxane Structure
Decamethylcyclopentasiloxane Chemical Properties
Melting point  -44°C
Boiling point  90 °C10 mm Hg(lit.)
density  0.958 g/mL at 25 °C(lit.)
refractive index  n20/D 1.396(lit.)
Fp  162 °F
storage temp.  Store below +30°C.
solubility  <0.0001g/l (calculated)
form  Liquid
color  Colorless
explosive limit 0.52-7%(V)
Water Solubility  Immiscible with water.
Merck  14,2848
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 541-02-6(CAS DataBase Reference)
NIST Chemistry Reference Decamethylcyclopentasiloxane(541-02-6)
EPA Substance Registry System Cyclopentasiloxane, decamethyl-(541-02-6)
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38-53
Safety Statements  23-24/25-36-26
RIDADR  NA 1993 / PGIII
WGK Germany  2
RTECS  GY5945200
TSCA  Yes
HS Code  29310095
Hazardous Substances Data 541-02-6(Hazardous Substances Data)