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;siliconsf1202;unioncarbide7158siliconefluid

CAS: 541-02-6

MF: C10H30O5Si5

MW: 370.77

EINECS: 208-764-9

Product Categories: Organometallic Reagents;Organosilicon;Si (Classes of Silicon Compounds);Si-O Compounds;Heterocycles;Intermediates &

Fine Chemicals;Siloxanes;Organics;Pharmaceuticals;Silicone Series

Mol File: 541-02-6.mol

Decamethylcyclopentasiloxane Chemical Properties

Melting point -44°C

Boiling point 90 °C/10 mmHg (lit.)

density 0.958 g/mL at 25 °C (lit.)

refractive index n20/D 1.396(lit.)

Fp 162 °F

storage temp. 2-8°C

solubility <0.0001g/l (calculated)

form Liquid

Specific Gravity 0.959

color Colorless

explosive limit 0.52-7%(V)

Water Solubility Immiscible with water.

Hydrolytic Sensitivity 1: no significant reaction with aqueous systems

Merck 142,848

BRN 1800166

Stability: Stable. Incompatible with strong oxidizing agents.