2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxane
Basic information
- CAS
30026-85-8- Standard SMILES
C[Si]1(C)O[Si](C)(c2ccccc2)O[Si](C)(C)O[Si](C)(c2ccccc2)O1- InChIKey
ZTQZMPQJXABFNC-UHFFFAOYSA-N- Molecular formula
- C18H28O4Si4
- Average molar mass
- 420.8 g/mol
- Monoisotopic mass
- 420.10646551
Overview
an organosilicon anti-androgenic compound with estrogenic activities; RN given refers to cpd without isomeric designation
Names & identifiers
- Preferred name
- 2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxane
- IUPAC
- 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
- English name
- quadrosilan
- Molecular formula
- C18H28O4Si4
- Molecular weight
- 420.75
Names & synonyms
4657-20-92,6-DIPHENYLHEXAMETHYLCYCLOTETRASILOXANE2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxaneCyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-MM48TFA73CDTXSID3063546RefChem:440701DTXCID2040498KABI-1774Quadrosilan33204-76-12,6-cis-Diphenylhexamethylcyclotetrasiloxane
Show more names
6-diphenylhexamethyl- z-cyclotetrasiloxan2,6-diphenylhexamethyl-, Z-Cyclotetrasiloxane2α,6α-Diphenyl-2,4,4,6,8,8-hexamethylcyclotetrasiloxane2,4,6,6,8-hexamethyl-4,8-diphenyl- cis-cyclotetrasiloxancis-2,6-diphenyl-2,4,4,6,8,8-hexamethylcyclotetrasiloxane2α,6α-Diphenyl-2,4,4,6,8,8-hexamethylcyclooctanetetrasiloxane
2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocaneQuadrosilan;KABI-1774Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis-C5KT601WPMD7L9AC9Z6E33204-77-2cis-2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxaneCisobitan
Properties
Computed structural properties
- Topological polar surface area
- 36.9 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 2
- Heavy atoms
- 26
- Formal charge
- 0
- Complexity
- 428
Physicochemical properties
- Boiling point
- 353.9 · 353.9±25.0 °C(Predicted)
- Density
- 1.06 · 1.06±0.1 g/cm3(Predicted)
- FDA UNII
- 5 KT601WPM · C5KT601WPM
- EPA Substance Registry System
- 2 · Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis- (33204-76-1)
- Symbol(GHS)
- 8 · GHS08
- Signal word
- Danger
- Hazard statements
- 413 · H413-H360-H372
- Precautionary statements
- 260 · P260-P264-P270-P314-P501
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H360 (57.9%): May damage fertility or the unborn child [Danger Reproductive toxicity]
P203, P260, P264, P270, P273, P280, P308+P316, P318, P319, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 76 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-
Chemical: Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis-
Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesRepr. 1B (57.9%)
Safety data
- Signal word
- Danger
- Symbol(GHS)
- GHS08
- Hazard statements
- H413-H360-H372
- Precautionary statements
- P260-P264-P270-P314-P501
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationCyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-: ACTIVE
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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