O-(4-Methoxybenzyl)hydroxylamine

4-甲氧基苄氧胺

Also known as: O-[(4-methoxyphenyl)methyl]hydroxylamine, p-methoxybenzyloxyamine, 1-[(Aminooxy)methyl]-4-methoxybenzene, Hydroxylamine, O-[(4-methoxyphenyl)methyl]-, Hydroxylamine, O-(p-methoxybenzyl)-, O-(4-methoxybenzyl)-hydroxylamine

O-(4-Methoxybenzyl)hydroxylamine (CAS 21038-22-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H11NO2 and a molecular weight of 153.178 g/mol. It is also known as O-[(4-methoxyphenyl)methyl]hydroxylamine, p-methoxybenzyloxyamine and 1-[(Aminooxy)methyl]-4-methoxybenzene. Key properties include a boiling point of 286.5±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 144.2±16.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21038-22-2
Jingsj CID
J-1495599-2
Molecular Formula
C8H11NO2
Chinese Name
4-甲氧基苄氧胺
Molecular Weight
153.178 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point286.5±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point144.2±16.3 °C
Exact Mass153.078979
PSA44.48000
LogP1.46
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.529
Storage Conditions2-8°C

Customs & Trade Information

HS Code2922299090
Summary2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of O-(4-Methoxybenzyl)hydroxylamine?

The CAS number of O-(4-Methoxybenzyl)hydroxylamine is 21038-22-2.

What are the molecular formula and molecular weight of O-(4-Methoxybenzyl)hydroxylamine?

O-(4-Methoxybenzyl)hydroxylamine has molecular formula C8H11NO2 and molecular weight 153.178 g/mol.

What are the upstream and downstream products of O-(4-Methoxybenzyl)hydroxylamine?

For O-(4-Methoxybenzyl)hydroxylamine, Upstream Products: tert-Butyl N-hydroxycarbamate, 4-Methoxybenzyl chloride, 4-Methoxybenzyl alcohol.

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

Last updated:

How to cite: Jingsj. "O-(4-Methoxybenzyl)hydroxylamine (CAS 21038-22-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495599-2 (accessed 2026-10-28).

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