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4-(Benzyloxy)pyridine N-oxide

Also known as: 4-(Benzyloxy)pyridine 1-oxide, 4-Benzyloxypyridine N-oxide, 4-Benzyloxypyridine 1-oxide, 4-Benzyloxypyridine N-oxide, 4-(Benzyloxy)pyridine N-oxide,98%, 4-(Benzyloxy)pyridine N-oxide,97%, Pyridine, 4-(phenylmethoxy)-, 1-oxide, 1-oxido-4-phenylmethoxypyridin-1-ium, MFCD00047427

4-(Benzyloxy)pyridine N-oxide (CAS 2683-66-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO2 and a molecular weight of 201.221 g/mol. Key properties include a melting point of 178-179 °C (dec.)(lit.), a boiling point of 415.3±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 205.0±21.8 °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.
2683-66-1
Jingsj CID
J-11557-1
Molecular Formula
C12H11NO2
Molecular Weight
201.221 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178-179 °C (dec.)(lit.)
Boiling Point415.3±20.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point205.0±21.8 °C
Exact Mass201.078979
PSA34.69000
LogP0.59
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.556

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-(Benzyloxy)pyridine N-oxide?

The CAS number of 4-(Benzyloxy)pyridine N-oxide is 2683-66-1.

What are the molecular formula and molecular weight of 4-(Benzyloxy)pyridine N-oxide?

4-(Benzyloxy)pyridine N-oxide has molecular formula C12H11NO2 and molecular weight 201.221 g/mol.

Is 4-(Benzyloxy)pyridine N-oxide hazardous?

4-(Benzyloxy)pyridine N-oxide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-(Benzyloxy)pyridine N-oxide?

For 4-(Benzyloxy)pyridine N-oxide, Upstream Products: 4-Nitropyridine N-oxide, Benzyl alcohol, 4-Chloropyridine N-oxide; Downstream Products: 4-(Benzyloxy)pyridine, 4-(Benzyloxy)pyridin-2-amine, 4-Benzyloxy-2(1H)-pyridone.

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

Last updated:

How to cite: Jingsj. "4-(Benzyloxy)pyridine N-oxide (CAS 2683-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11557-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.