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10448-09-6

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Basic Information
CAS No.: 10448-09-6
Name: heptamethylphenylcyclotetrasiloxane
Article Data: 5
Molecular Structure:
Molecular Structure of 10448-09-6 (heptamethylphenylcyclotetrasiloxane)
Formula: C13H26 O4 Si4
Molecular Weight: 358.689
Synonyms: Cyclotetrasiloxane,heptamethylphenyl- (6CI,7CI,8CI,9CI);1-Phenyl-1,3,3,5,5,7,7-heptamethylcyclotetrasiloxane;Heptamethylphenylcyclotetrasiloxane; PST 433;Phenylheptamethylcyclotetrasiloxane
Density: 1.01g/cm3
Boiling Point: 275.8°Cat760mmHg
Flash Point: 107.4°C
Safety: An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
PSA: 36.92000
LogP: 3.15100
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Chemistry

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.

Uses

 Heptamethylphenylcyclotetra-siloxane (CAS NO.10448-09-6) is used as lubricant.

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
 

Safety Profile

An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
HazardClass : 3.2