CHEMICAL AND PHYSICAL PROPERTIES
| Color/Form | Liquid |
|---|---|
| Boiling Point | 286.8 °C |
| Melting Point | -78 °C |
| Solubility | Very soluble in benzene, ligroin |
| Density | 0.9012 g/cu cm at 20 °C |
| Vapor Pressure | 5.55X10-4 mm Hg at 25 °C (extrapolated) |
| Heat of Vaporization | 60.8 kJ/mol |
| Refractive Index | Index of refraction: 1.3965 at 20 °C/D |
| Kovats Retention Index | 1553 |
| Chemical Classes | Metals -> Metalloid Compounds (Silicon) |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 533.1 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 12 |
| Exact Mass | 532.18357499 g/mol |
| Monoisotopic Mass | 532.18357499 g/mol |
| Topological Polar Surface Area | 55.4 Ų |
| Heavy Atom Count | 29 |
| Formal Charge | 0 |
| Complexity | 493 |
| 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
Hexadecamethylheptasiloxane is an organosiloxane that is heptasiloxane in which all the hydrogens have been replaced by methyl groups.