Trimethyl pentaphenyl trisiloxane
Basic information
- CAS
28855-11-0- Standard SMILES
C[Si](O[Si](C)(c1ccccc1)c1ccccc1)(O[Si](C)(c1ccccc1)c1ccccc1)c1ccccc1- InChIKey
PHLASVAENYNAOW-UHFFFAOYSA-N- Molecular formula
- C33H34O2Si3
- Average molar mass
- 546.9 g/mol
- Monoisotopic mass
- 546.18665993
Names & identifiers
- Preferred name
- Trimethyl pentaphenyl trisiloxane
- IUPAC
- methyl-bis[[methyl(diphenyl)silyl]oxy]-phenylsilane
- English name
- TRIMETHYL PENTAPHENYL TRISILOXANE
- Molecular formula
- C33H34O2Si3
- Molecular weight
- 546.87836
Names & synonyms
3390-61-21,3,5-Trimethyl-1,1,3,5,5-pentaphenyltrisiloxaneTrimethyl pentaphenyl trisiloxaneDow Corning 555Dow Corning 705Pentaphenyltrimethyltrisiloxane28855-11-0Trisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl-EINECS 222-222-9HE7ABK56N5DTXSID7063007TRIMETHYLPENTAPHENYL TRISOLOXANE
Show more names
1,1,1-Trimethyl-3,3,5,5,5-pentaphenyltrisiloxane
RefChem:899749DTXCID4038762Dow Corning 705 silicone diffusion pumpTRIMETHYL PENTAPHENYL TRISILOXANE [INCI]Trisiloxane, 1,3,5trimethyl1,1,3,5,5pentaphenyl222-222-91,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxanemethyl-bis[[methyl(diphenyl)silyl]oxy]-phenylsilane
Database identifiers
- CAS
28855-11-0、3390-61-2- PubChem CID
- 76925
- DTXSID
DTXSID7063007- UNII
- HE7ABK56N5
- EC Number
- 222-222-9
- Nikkaji
- J205.484A
Properties
Computed structural properties
- Topological polar surface area
- 18.5 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 9
- Heavy atoms
- 38
- Formal charge
- 0
- Complexity
- 615
Experimental & physicochemical properties
Chemical ClassesMetals -> Metalloid Compounds (Silicon)
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Physical DescriptionLiquid; [Sigma-Aldrich MSDS]
Physicochemical properties
- Cosmetics Ingredients Functions
- SKIN CONDITIONINGSKIN CONDITIONING - EMOLLIENT
- InChI
- InChI=1S/C33H34O2Si3/c1-36(29-19-9-4-10-20-29,30-21-11-5-12-22-30)34-38(3,33-27-17-8-18-28-33)35-37(2,31-23-13-6-14-24-31)32-25-15-7-16-26-32/h4-28H,1-3H3
- InChIKey
- PHLASVAENYNAOW-UHFFFAOYSA-N
- SMILES
- [Si](C)(C1C=CC=CC=1)(C1=CC=CC=C1)O[Si](C)(C1=CC=CC=C1)O[Si](C)(C1C=CC=CC=1)C1C=CC=CC=1
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 7 ABK56N5 · HE7ABK56N5
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
This chemical does not meet GHS hazard criteria for 44.1% (30 of 68) of reports.
Warning
H319 (55.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)
Aggregated GHS information provided per 68 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Trisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl-
REACH registered substance: 1,3,5-trimethyl-1,1,3,5,5-pentaphenyltrisiloxane (EC: 222-222-9)
Trisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl-: 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.
Hazards SummaryAn irritant that may cause severe eye irritation; [Sigma-Aldrich MSDS] See Dimethoxydimethylsilane.
Hazard Classes and CategoriesEye Irrit. 2 (55.9%)
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationTrisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl-: ACTIVE
Related reactions
0 records
No reaction records under the current filter.
Compound notes
Loading…