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O-(tert-Butyldimethylsilyl)hydroxylamine

O-(叔丁基二甲基硅烷)羟胺

Also known as: (Aminooxy)(tert-butyl)dimethylsilane, O-(t-Butyldimethylsilyl)hydroxylamine, tert-Butyldimethylsilyloxyamine, O-[tert-butyl(dimethyl)silyl]hydroxylamine, Silane, (aminooxy)(1,1-dimethylethyl)dimethyl-

O-(tert-Butyldimethylsilyl)hydroxylamine (CAS 41879-39-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H17NOSi and a molecular weight of 147.291 g/mol. It is also known as (Aminooxy)(tert-butyl)dimethylsilane, O-(t-Butyldimethylsilyl)hydroxylamine and tert-Butyldimethylsilyloxyamine. Key properties include a melting point of 62-65 °C(lit.), a boiling point of 174.6±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 40.7±22.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41879-39-4
Jingsj CID
J-14195-0
Molecular Formula
C6H17NOSi
Chinese Name
O-(叔丁基二甲基硅烷)羟胺
Molecular Weight
147.291 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point62-65 °C(lit.)
Boiling Point174.6±0.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point40.7±22.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of O-(tert-Butyldimethylsilyl)hydroxylamine?

The CAS number of O-(tert-Butyldimethylsilyl)hydroxylamine is 41879-39-4.

What are the molecular formula and molecular weight of O-(tert-Butyldimethylsilyl)hydroxylamine?

O-(tert-Butyldimethylsilyl)hydroxylamine has molecular formula C6H17NOSi and molecular weight 147.291 g/mol.

Is O-(tert-Butyldimethylsilyl)hydroxylamine hazardous?

O-(tert-Butyldimethylsilyl)hydroxylamine has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "O-(tert-Butyldimethylsilyl)hydroxylamine (CAS 41879-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14195-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.