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| Name |
Cisobitan |
EINECS | 251-406-1 |
| CAS No. | 33204-76-1 | Density | 1.06 g/cm3 |
| PSA | 36.92000 | LogP | 3.42840 |
| Solubility | N/A | Melting Point |
41ºC |
| Formula | C18H28 O4 Si4 | Boiling Point | 353.9 ºC at 760 mmHg |
| Molecular Weight | 420.82 | Flash Point | 146 ºC |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2,6-cis-Diphenylhexamethylcyclotetrasiloxane;Cisobitan; KABI 1774; Quadrosilan; cis-2,6-Diphenylhexamethylcyclotetrasiloxane |
Cisobitan Chemical Properties
Molecular Structure of Cisobitan (CAS NO. 33204-76-1):
EINECS: 251-406-1
IUPAC Name: 2,2,4,6,6,8-Hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular Formula: C18H28O4Si4
Molecular Weight: 420.754520 g/mol
H-Bond Donor: 0
H-Bond Acceptor: 4
Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C)(C)C3=CC=CC=C3)C
InChI: InChI=1S/C18H28O4Si4/c1-23(2)19-25(5,17-13-9-7-10-14-17)21-24(3,4)22-26(6,20-23)18-15-11-8-12-16-18/h7-16H,1-6H3
InChIKey: ZTQZMPQJXABFNC-UHFFFAOYSA-N
Index of Refraction: 1.513
Molar Refractivity: 119.19 cm3
Molar Volume: 396.1 cm3
Surface Tension: 27.8 dyne/cm
Density: 1.06 g/cm3
Flash Point: 146 °C
Enthalpy of Vaporization: 57.52 kJ/mol
Boiling Point: 353.9 °C at 760 mmHg
Vapour Pressure: 7.1E-05 mmHg at 25 °C
Water Solubility of Cisobitan (CAS NO. 33204-76-1): 8.301e-005 mg/L at 25 °C
Cisobitan Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | > 5gm/kg (5000mg/kg) | Acta Pharmacologica et Toxicologica, Supplementun. Vol. 36(3), Pg. 93, 1975. | |
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | Acta Pharmacologica et Toxicologica, Supplementun. Vol. 36(3), Pg. 93, 1975. |
Cisobitan Safety Profile
Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
Cisobitan Specification
Cisobitan with cas registry number of 33204-76-1 is also knowns as 2,6-cis-Diphenylhexamethylcyclotetrasiloxane ; Cyclic 2,6-cis-diphenylhexamethylcyclotetrasiloxane ; Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis- ; Cyclotetrasiloxane, 2,6-diphenylhexamethyl-, Z- ; Cyclotetrasiloxane, 2,6-diphenyl-2,4,4,6,8,8-hexamethyl-, (Z)- ; KABI 1774 ; Quadrosilan [INN:BAN] ; Quadrosilan ; Quadrosilane ; Quadrosilane [INN-French] ; Quadrosilanum ; Quadrosilanum [INN-Latin] ; UNII-C5KT601WPM ; cis-2,6-Diphenyl-2,4,4,6,8,8-hexamethylcyclotetrasiloxane ; cis-2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxane .
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