-
Name
heptamethylphenylcyclotetrasiloxane
- EINECS
- CAS No. 10448-09-6
- Article Data5
- CAS DataBase
- Density 1.01g/cm3
- Solubility
- Melting Point
- Formula C13H26 O4 Si4
- Boiling Point 275.8°Cat760mmHg
- Molecular Weight 358.689
- Flash Point 107.4°C
- Transport Information
- Appearance
- Safety An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Cyclotetrasiloxane,heptamethylphenyl- (6CI,7CI,8CI,9CI);1-Phenyl-1,3,3,5,5,7,7-heptamethylcyclotetrasiloxane;Heptamethylphenylcyclotetrasiloxane; PST 433;Phenylheptamethylcyclotetrasiloxane
- PSA 36.92000
- LogP 3.15100
Heptamethylphenylcyclotetra-siloxane Chemical Properties
IUPAC Name: 2,2,4,4,6,6,8-Heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular Formula: C13H26O4Si4
Transport information: 1993
Molecular Weight: 358.75g/mol
Density: 1.01g/cm3
Boiling Point: 275.8°C at 760mmHg
Flash Point: 107.4°C
Freely Rotating Bonds: 1
Polar Surface Area: 36.92Å2
Index of Refraction: 1.472
Molar Refractivity: 99.1 cm3
Molar Volume: 353.3 cm3
Polarizability: 39.28× 10-24 cm3
Surface Tension: 23.2 dyne/cm
Enthalpy of Vaporization: 49.36 kJ/mol
Vapour Pressure: 0.00837 mmHg at 25°C
The Cas Register Number of Heptamethylphenylcyclotetra-siloxane is 10448-09-6.The chemical synonyms of Heptamethylphenylcyclotetra-siloxane (CAS NO.10448-09-6) are Heptamethylphenylcyclotetrasiloxane ; Cyclotetrasiloxane, heptamethylphenyl- ; Monophenylheptamethylcyclotetrasiloxane ; Heptamethylphenyl-cyclotetrasiloxan ; Heptamethylmonophenylcyclotetrasiloxane) ; 2,4,4,6,6,8,8-Heptamethyl-2-phenylcyclooctanetetrasiloxane ; 2-Phenyl-2,4,4,6,6,8,8-heptamethylcyclooctanetetrasiloxane ; 2-Phenyl-2,4,4,6,6,8,8-heptamethylcyclotetrasiloxane .Product categories of Heptamethylphenylcyclotetra-siloxane (CAS NO.10448-09-6) are Organics .The molecular structure of Heptamethylphenylcyclotetra-siloxane (CAS NO.10448-09-6) is
.
Heptamethylphenylcyclotetra-siloxane Uses
Heptamethylphenylcyclotetra-siloxane (CAS NO.10448-09-6) is used as lubricant.
Heptamethylphenylcyclotetra-siloxane Toxicity Data With Reference
| 1. | Rodent - ratDOSE : 7 mg/kgSEX/DURATION : male 7 day(s) pre-mating | Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands | ||
| 2. | Rodent - ratDOSE : 500 mg/kgSEX/DURATION : female 1-5 day(s) after conception | Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) | ||
| 3. | Rodent - ratDOSE : 500 mg/kgSEX/DURATION : female 8-12 day(s) after conception | Reproductive - Effects on Embryo or Fetus - fetal death |
Heptamethylphenylcyclotetra-siloxane Safety Profile
An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
HazardClass : 3.2
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