541-02-6
Product Name:
Decamethylcyclopentasiloxane
Formula:
C10H30O5Si5
Synonyms:
Decamethylcyclopentasiloxane
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Liquid |
|---|---|
| Color/Form | Colorless volatile liquid |
| Boiling Point | 210 °C |
| Melting Point | -38 °C |
| Flash Point | 73 °C (163 °F) - closed cup |
| Solubility | In water, 1.7X10-2 mg/L at 25 °C |
| Density | 0.9593 g/cu cm at 20 °C |
| Vapor Pressure | 0.2 [mmHg] |
| LogP | log Kow = 8.06 (average of 8.03, 8.07 and 8.09 measurements) |
| Henry's Law Constant | Henry's Law constant = 33.0 atm-cu m/mole at 25 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating vapors. |
| Viscosity | 3.9 cSt at 25 °C |
| Heat of Vaporization | Enthalpy of vaporization: 60 kJ/mol |
| Surface Tension | 18.5 dyne/cm at 25 °C |
| Refractive Index | Index of refraction = 1.3982 at 20 °C/D |
| Kovats Retention Index | 1166 1169 1172 1173 1176 1183 1183 1161 1165 1184 1160 1164 |
| Other Experimental Properties | Odorless /cyclic volatile methylsiloxanes/ |
| Chemical Classes | Metals -> Metalloid Compounds (Silicon) |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H320:Serious eye damage/eye irritation H413:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
COMPUTED DESCRIPTORS
| Molecular Weight | 370.77 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 370.09395673 g/mol |
| Monoisotopic Mass | 370.09395673 g/mol |
| Topological Polar Surface Area | 46.2 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 258 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Decamethylcyclopentasiloxane is an organosilicon compound.