Basic information
- Standard SMILES
O[Si](c1ccccc1)(c1ccccc1)c1ccccc1- InChIKey
NLSXASIDNWDYMI-UHFFFAOYSA-N- Molecular formula
- C18H16OSi
- Average molar mass
- 276.4 g/mol
- Monoisotopic mass
- 276.09704166
Names & identifiers
- Preferred name
- Triphenylsilanol
- IUPAC
- hydroxy(triphenyl)silane
- English name
- Triphenylsilanol
- Molecular formula
- C18H16OSi
- Molecular weight
- 276.4
Names & synonyms
Show more names
Database identifiers
- CAS
791-31-1- PubChem CID
- 69925
- DTXSID
DTXSID1036545- ChEMBL
CHEMBL378228- ChEBI
CHEBI:35035- UNII
- AZC8O4TTX4
- EC Number
- 212-339-3
- Nikkaji
- J48.154H
Properties
Computed structural properties
- Topological polar surface area
- 20.2 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 3
- Heavy atoms
- 20
- Formal charge
- 0
- Complexity
- 240
Experimental & physicochemical properties
Physicochemical properties
- Melting point
- 150 · 150-153 °C (lit.)
- Boiling point
- 389 °C · 389 °C [760mmHg]
- Density
- 1.13 · 1.13
- refractive index
- 1.628 · 1.628
- Flash point
- 200 °C · >200°C
- storage temp.
- Inert atmosphere,Room Temperature
- form
- Powder
- pka
- 13.39 · 13.39±0.58(Predicted)
- color
- white
- Water Solubility
- reacts
- Sensitive
- Air Sensitive
- Hydrolytic Sensitivity
- 4 · 4: no reaction with water under neutral conditions
- BRN
- 985007 · 985007
- InChIKey
- NLSXASIDNWDYMI-UHFFFAOYSA-N
- CAS DataBase Reference
- 791 · 791-31-1(CAS DataBase Reference)
- FDA UNII
- 8 O4TTX4 · AZC8O4TTX4
- NIST Chemistry Reference
- Silanol, triphenyl-(791-31-1)
- EPA Substance Registry System
- Silanol, triphenyl- (791-31-1)
- UNSPSC Code
- 12352103 · 12352103
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319-H335
- Precautionary statements
- 261 · P261-P280a-P304+P340-P305+P351+P338-P405-P501a
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 26 · 26-36
- WGK Germany
- 1 · 1
- RTECS
- 4325500 · VV4325500
- F
- 21 · 21
- TSCA
- TSCA listed
- HS Code
- 29310095 · 29310095
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 36.1% (26 of 72) of reports.
Warning
H315 (63.9%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (63.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (61.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 72 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Reported as not meeting GHS hazard criteria per 26 of 72 reports by companies.;There are 4 notifications provided by 46 of 72 reports by companies with hazard statement code(s).;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard information
Regulatory Information
Chemical: Silanol, triphenyl-
Triphenylsilanol: Does not have an individual approval but may be used under an appropriate group standard
Regulatory information
Regulatory Information
Chemical: Silanol, triphenyl-
Triphenylsilanol: Does not have an individual approval but may be used under an appropriate group standard
Safety data
- F
- 21
- wgk
- 1
- tsca
- TSCA listed
- rtecs
- VV4325500
- hs_code
- 29310095
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Hazard statements
- H315-H319-H335
- Precautionary statements
- P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Chemistry & industry
Uses & manufacturing
Applications
UsesTriphenylsilanol is used as a water surrogate for regioselective Pd catalyzed allylations. A thick on germanium substrates have been produced by the electron bombardment of an evaporated thin film of triphenylsilanol.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers50 total
Additional notes
DefinitionChEBI: An organosilanol in which silicon is bonded to a single hydroxy function and to three phenyl groups.
Related reactions
Linked notes
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