4-Bromo-2-methoxy-1-nitrobenzene

Also known as: 5-Bromo-2-nitroanisole, 5-Bromo-2-nitrophenyl methyl ether, 5-Bromo-1-methoxy-2-nitrobenzene, 3-Methoxy-4-nitrobromobenzene, 4-Bromo-2-methoxynitrobenzene, Benzene, 4-bromo-2-methoxy-1-nitro-, 2-Nitro-5-bromoanisole, Methyl-(5-brom-2-nitro-phenyl)-ether

4-Bromo-2-methoxy-1-nitrobenzene (CAS 103966-66-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C7H6BrNO3 and a molecular weight of 232.031 g/mol. Key properties include a boiling point of 298.7±20.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 134.5±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103966-66-1
Jingsj CID: J-1505320-6
Molecular Formula: C₇H₆BrNO₃
Molecular Weight: 232.031 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	298.7±20.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	134.5±21.8 °C
Exact Mass	230.953094
PSA	55.05000
LogP	2.45
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.581

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H312 — Harmful in contact with skin
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H332 — Harmful if inhaled
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Bromo-2-methoxy-1-nitrobenzene?

The CAS number of 4-Bromo-2-methoxy-1-nitrobenzene is 103966-66-1.

What are the molecular formula and molecular weight of 4-Bromo-2-methoxy-1-nitrobenzene?

4-Bromo-2-methoxy-1-nitrobenzene has molecular formula C7H6BrNO3 and molecular weight 232.031 g/mol.

Is 4-Bromo-2-methoxy-1-nitrobenzene hazardous?

4-Bromo-2-methoxy-1-nitrobenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 4-Bromo-2-methoxy-1-nitrobenzene?

For 4-Bromo-2-methoxy-1-nitrobenzene, Upstream Products: 4-Bromo-2-fluoro-1-nitrobenzene, Sodium methoxide, Methanol; Downstream Products: 2,4-Dimethoxy-1-nitrobenzene, 4-Bromo-2-methoxyaniline, 1,5-Dimethoxy-2,4-dinitrobenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Bromo-2-methoxy-1-nitrobenzene (CAS 103966-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505320-6 (accessed 2026-11-06).

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