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Trimethyl(phenylseleno)silane

CAS No.
33861-17-5
Chemical Name:
Trimethyl(phenylseleno)silane
Synonyms
PHENYLTRIMETHYLSILYLSELENIDE;(PHENYLSELENO)TRIMETHYLSILANE;(TRIMETHYLSILYLSELENO)BENZENE;rimethyl(phenylselanyl)silane;Trimethyl(phenylseleno)silane;triMethyl(phenylselanyl)silane;TRIMETHYLSILYL PHENYL SELENIDE;Benzene, [(trimethylsilyl)seleno]-;Trimethyl(phenylseleno)silane, tech.;Trimethyl(phenylseleno)silanetech.ca90%
CBNumber:
CB6147002
Molecular Formula:
C9H14SeSi
Molecular Weight:
229.25
MDL Number:
MFCD00061470
MOL File:
33861-17-5.mol
Last updated:2026-09-12 18:53:50

Trimethyl(phenylseleno)silane Properties

Melting point -14--9°
Boiling point 51-53 °C (0.3 mmHg)
Density d2020 1.1960
refractive index 1.5515-1.5555
solubility sol benzene, Et2O, THF, MeCN.
Specific Gravity 1.196
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
FDA UNII PH8Y926H8I

SAFETY

Risk and Safety Statements

Hazard Codes  N-T
Risk Statements  50/53-33-23/25
Safety Statements  61-60-45-28A-20/21
TSCA  No

Trimethyl(phenylseleno)silane price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
American Custom Chemicals Corporation ORS0000035 (PHENYLSELENO)TRIMETHYLSILANE 95.00% 33861-17-5 250MG $948.37 2021-12-16 Buy
Product number Packaging Price Buy
ORS0000035 250MG $948.37 Buy

Trimethyl(phenylseleno)silane Chemical Properties, Uses, Production

Chemical Properties

clear yellow liquid

Physical properties

bp 92–93 °C/5 mmHg.

Uses

Selenating reagent.

Uses

Phenyl Trimethylsilyl Selenide is widely used in synthesis of benzeneselenol; introduction of the phenylseleno function into a variety of oxygen-containing compounds.

Preparation

Phenyl Trimethylsilyl Selenide is conveniently prepared by the reduction of diphenyl diselenide with sodium in THF, followed by silylation of thus formed PhSeNa with chlorotrimethylsilane. In a small scale reaction, silylation of PhSeLi, which can be prepared in situ from metallic selenium and phenyllithium in THF, is alternatively utilized.

Trimethyl(phenylseleno)silane Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 27)
Supplier Tel Email Country ProdList Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
INTATRADE GmbH +49 3493/605464 sales@intatrade.de Germany 3563 66
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Suzhou Siso new material Co.,Ltd. 0512-65402974 18550909935 siso03@126.com China 1925 58
Dayang Chem (Hangzhou) Co.,Ltd. +86-0571-88938639 17705817739 info@dycnchem.com China 52445 58
Career Henan Chemica Co +86-0371-86658258 +86-13203830695 laboratory@coreychem.com China 30202 58
Chemwill Asia Co.,Ltd. 86-21-51086038 chemwill_asia@126.com CHINA 23861 58
Shaanxi Dideu Medichem Co. Ltd 029-81154043 17391733319 1086@dideu.com China 9966 58
Alchem Pharmtech,Inc. 8485655694 sales@alchempharmtech.com United States 63645 58
(PHENYLSELENO)TRIMETHYLSILANE PHENYLTRIMETHYLSILYLSELENIDE (TRIMETHYLSILYLSELENO)BENZENE TRIMETHYLSILYL PHENYL SELENIDE Trimethyl(phenylseleno)silane,tech.ca90% Trimethyl(phenylseleno)silanetech.ca90% Trimethyl(phenylseleno)silane, tech., ca. 90% TRIMETHYL(PHENYLSELENO)SILANE, TECH., CA 90% Trimethyl(phenylseleno)silane, tech. Trimethyl(phenylseleno)silane,ca. 90%,tech. triMethyl(phenylselanyl)silane Benzene, [(trimethylsilyl)seleno]- rimethyl(phenylselanyl)silane Trimethyl(phenylseleno)silane 33861-17-5 C9H14SeSi