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Trimethyl(phenoxy)silane

CAS No.
1529-17-5
Chemical Name:
Trimethyl(phenoxy)silane
Synonyms
PHENOXYTRIMETHYLSILANE;(Trimethylsiloxy)benzene;DK553;DKSI224;Phenol, TMS ether;Trimethylphenoxysilane;trimethylphenoxy-silan;TRIMETHYLSILYLPHENOXIDE;trimethylphenoxy-Silane;O-(Trimethylsilyl)phenol
CBNumber:
CB4402745
Molecular Formula:
C9H14OSi
Molecular Weight:
166.29
MDL Number:
MFCD00053666
MOL File:
1529-17-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:27:49

Trimethyl(phenoxy)silane Properties

Melting point -55 °C
Boiling point 81 °C23 mm Hg(lit.)
Density 0.92 g/mL at 25 °C(lit.)
refractive index n20/D 1.478
Flash point 127 °F
storage temp. Sealed in dry,Room Temperature
form liquid
Specific Gravity 0.92
color Colorless to Light orange to Yellow
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
λmax 274nm(Heptane)(lit.)
BRN 1905943
InChI InChI=1S/C9H14OSi/c1-11(2,3)10-9-7-5-4-6-8-9/h4-8H,1-3H3
InChIKey OJAJJFGMKAZGRZ-UHFFFAOYSA-N
SMILES C1(O[Si](C)(C)C)=CC=CC=C1
FDA UNII 85E4MFC32D
EPA Substance Registry System Silane, trimethylphenoxy- (1529-17-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H335
Precautionary statements  P210-P302+P352-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xi
Risk Statements  10-36/37/38
Safety Statements  26-36
RIDADR  UN 1993 3/PG 3
WGK Germany  3
10-21
TSCA  TSCA listed
HazardClass  3.2
PackingGroup  III
HS Code  29319090
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3
Limited Quantities 5.0 L (1.3 gallons) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
2
2 1

Trimethyl(phenoxy)silane price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 380415 Trimethyl(phenoxy)silane 97% 1529-17-5 10ml $73.5 2023-06-20 Buy
TCI Chemical T3222 Trimethyl(phenoxy)silane >97.0%(GC) 1529-17-5 5mL $42 2026-04-30 Buy
TCI Chemical T3222 Trimethyl(phenoxy)silane >97.0%(GC) 1529-17-5 25mL $119 2026-04-30 Buy
aablocks AA0035OI Trimethyl(phenoxy)silane 97% 1529-17-5 1g $8 2026-05-28 Buy
aablocks AA0035OI Trimethyl(phenoxy)silane 97% 1529-17-5 5g $24 2026-05-28 Buy
Product number Packaging Price Buy
380415 10ml $73.5 Buy
T3222 5mL $42 Buy
T3222 25mL $119 Buy
AA0035OI 1g $8 Buy
AA0035OI 5g $24 Buy

Trimethyl(phenoxy)silane Chemical Properties, Uses, Production

Chemical Properties

Clear colorless liquid

Uses

Trimethyl(phenoxy)silane can be used as a catalyst for the Friedel-Crafts reaction, which is an organic reaction that converts alkenes into alcohols or epoxides. It can also reacts with hydrochloric acid to give phenol and chloroform. Trimethyl(phenoxy)silane has been shown to have chemical properties similar to those of phenol, such as viscosity, chemical species and resonance spectroscopy properties. It can react with oxygen in the air to form peroxides, so it should be stored in a cool, dry place away from light.

General Description

Trimethyl(phenoxy)silane is a trimethylsilyl protected alcohol. Direct lateral zincation (DlZn) of trimethyl(phenoxy)silane has been reported. Dielectric studies of phenoxysilane-phenol binary systems has been reported.

Synthesis

General procedure for trimethylsilylation of alcohols with HMDS catalyzed by P2O5/Al2O3. P2O5/Al2O3 (0.1 g) was added to a stirred solution of the alcohol (10 mmol) and HMDS (7.5 mmol) and the mixture was stirred at room temperature for the time specified in Table 2. The reaction was followed by TLC (n-hexane-EtOAc, 9:1). After completion of the reaction, ethyl acetate was added to the reaction mixture and the catalyst was isolated by filtration. It was washed well with ethyl acetate (2 9 5 ml) and then dried at 100°C for 2 h before being used again. The filtered solution was evaporated and purified by passage through a short column of silica gel with n-hexane as eluent (2 x 20 ml). Evaporation of the solvent under reduced pressure gave the pure product Trimethyl(phenoxy)silane, Yield; 89%.
syn.jpg

4648-54-8
108-95-2
1529-17-5
Synthesis of Trimethyl(phenoxy)silane from Azidotrimethylsilane and Phenol
Global Suppliers ( 186)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Jia Xing Isenchem Co.,Ltd 0573-85285100 18627885956 isenchem@163.com China 9389 66
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
XiaoGan ShenYuan ChemPharm co,ltd 15527621225; 15527621225 1791901229@qq.com China 6744 52
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57

View Latest Price from Trimethyl(phenoxy)silane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Trimethylphenoxysilane pictures 2022-09-20 Trimethylphenoxysilane
1529-17-5
1kg 99% 1000kg henan kanbei chemical co.,ltd
PHENOXYTRIMETHYLSILANE pictures 2019-07-06 PHENOXYTRIMETHYLSILANE
1529-17-5
$2.00 1KG 99% Career Henan Chemical Co
Phenoxy(trimethyl)silane, Phenyl trimethylsilyl ether trimethylphenoxy-silan Trimethylphenoxysilane trimethyl-phenoxy-silane trimethylphenoxy-Silane Trimethylsilyl phenyl ether PHENOXYTRIMETHYLSILANE, 97+% (Trimethylsilyl)oxybenzene PHENYL TRIMETHYLSILYL ETHER TRIMETHYLSILYLPHENOXIDE O-(Trimethylsilyl)phenol Phenol trimethylsilyl ether Phenol, TMS ether Silane, trimethylphenoxy- Trimethyl(Phenoxy)Silane,>94% Benzene, [(trimethylsilyl)oxy]- DK553 DKSI224 trimethylphenoxysiliconalkane (Trimethylsiloxy)benzene PHENOXYTRIMETHYLSILANE 1529-17-5 C6H5OSiCH33 Building Blocks Protected Alcohols/Phenols Oxygen Compounds Organic Building Blocks Building Blocks Chemical Synthesis Organic Building Blocks Oxygen Compounds Protected Alcohols/Phenols