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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 62-65 °C(lit.) |
|---|---|
| Boiling Point | 174.6±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 40.7±22.6 °C |
| Exact Mass | 147.107941 |
| PSA | 35.25000 |
| LogP | 2.33 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.419 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.