CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Liquid |
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Color/Form | Colorless liquid |
Boiling Point | 230 °C |
Melting Point | -80 °C |
Solubility | In water, 7.04X10-5 mg/L at 25 °C |
Density | 0.8755 g/cu cm at 20 °C |
Vapor Pressure | 4.50X10-2 mm Hg at 25 °C (extrapolated) |
LogP | log Kow = 9.41 |
Stability/Shelf Life | Stable under recommended storage conditions. |
Decomposition | When heated to decomposition it emits acrid smoke and irritating vapors. |
Viscosity | Maintains about the same viscosity over a wide temperature range |
Heat of Vaporization | 50.3 kJ/mol |
Refractive Index | Index of refraction: 1.3925 at 20 °C/D |
Kovats Retention Index | 1202.9 1176 |
Other Experimental Properties | Stable. Inert to most chemical reagents and rubber |
Chemical Classes | Metals -> Metalloid Compounds (Silicon) |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 | 384.84 g/mol |
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Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 4 |
Rotatable Bond Count | 8 |
Exact Mass | 384.14599230 g/mol |
Monoisotopic Mass | 384.14599230 g/mol |
Topological Polar Surface Area | 36.9 Ų |
Heavy Atom Count | 21 |
Formal Charge | 0 |
Complexity | 313 |
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
Dodecamethylpentasiloxane is an organosiloxane that is pentasiloxane in which all the hydrogens have been replaced by methyl groups. Metabolite observed in cancer metabolism. It has a role as a human metabolite.