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5-Bromo-2-methoxypyrimidine

Also known as: 2-Methoxy-5-bromopyrimidine, 5-Bromo-2-methoxy-1,3-diazine, Bromomethoxypyrimidine, 2-Methoxy-5-brom-pyrimidin, 5-bromo-2-methoxy-pyrimidine

5-Bromo-2-methoxypyrimidine (CAS 14001-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BrN2O and a molecular weight of 189.010 g/mol. Key properties include a melting point of 55.5-59.5 °C(lit.), a boiling point of 259.8±32.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 110.9±25.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14001-66-2
Jingsj CID
J-43377-2
Molecular Formula
C5H5BrN2O
Molecular Weight
189.010 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55.5-59.5 °C(lit.)
Boiling Point259.8±32.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point110.9±25.1 °C
Exact Mass187.958511
PSA35.01000
LogP1.22
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.547

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 5-Bromo-2-methoxypyrimidine?

The CAS number of 5-Bromo-2-methoxypyrimidine is 14001-66-2.

What are the molecular formula and molecular weight of 5-Bromo-2-methoxypyrimidine?

5-Bromo-2-methoxypyrimidine has molecular formula C5H5BrN2O and molecular weight 189.010 g/mol.

Is 5-Bromo-2-methoxypyrimidine hazardous?

5-Bromo-2-methoxypyrimidine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 5-Bromo-2-methoxypyrimidine?

For 5-Bromo-2-methoxypyrimidine, Upstream Products: Methanol, 5-Bromo-2-hydroxypyrimidine, 2,5-Dibromopyrimidine; Downstream Products: (2-Methoxypyrimidin-5-yl)boronic acid, 2-methoxypyrimidine-5-carbonitrile.

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

Last updated:

How to cite: Jingsj. "5-Bromo-2-methoxypyrimidine (CAS 14001-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43377-2 (accessed 2026-11-09).

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