3,5-Dibromopyridine-4-carboxaldehyde

Also known as: 3,5-Dibromo-4-pyridinecarboxaldehyde, 3,5-Dibromoisonicotinaldehyde, 3,5-Dibromopyridine-4-carbaldehyde, 3,5-Dibromo-4-formylpyridine, 4-Pyridinecarboxaldehyde, 3,5-dibromo-

3,5-Dibromopyridine-4-carboxaldehyde (CAS 70201-42-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3Br2NO and a molecular weight of 264.902 g/mol. Key properties include a melting point of 118-122ºC(lit.), a boiling point of 278.1±35.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 122.0±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation 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.: 70201-42-2
Jingsj CID: J-31324-6
Molecular Formula: C₆H₃Br₂NO
Molecular Weight: 264.902 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	118-122ºC(lit.)
Boiling Point	278.1±35.0 °C at 760 mmHg
Density	2.1±0.1 g/cm3
Flash Point	122.0±25.9 °C
Exact Mass	262.858124
PSA	29.96000
LogP	2.51
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.655

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed
H315 — Causes skin irritation
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. 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 3,5-Dibromopyridine-4-carboxaldehyde?

The CAS number of 3,5-Dibromopyridine-4-carboxaldehyde is 70201-42-2.

What are the molecular formula and molecular weight of 3,5-Dibromopyridine-4-carboxaldehyde?

3,5-Dibromopyridine-4-carboxaldehyde has molecular formula C6H3Br2NO and molecular weight 264.902 g/mol.

Is 3,5-Dibromopyridine-4-carboxaldehyde hazardous?

3,5-Dibromopyridine-4-carboxaldehyde has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 3,5-Dibromopyridine-4-carboxaldehyde?

For 3,5-Dibromopyridine-4-carboxaldehyde, Upstream Products: 3,5-Dibromopyridine, Ethyl formate, methyl formate; Downstream Products: 3,5-Dibromo-4-cyanopyridine, 3,5-Difluoropyridine-4-carboxaldehyde, Methyl 4-bromothieno[2,3-c]pyridine-2-carboxylate.

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. "3,5-Dibromopyridine-4-carboxaldehyde (CAS 70201-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31324-6 (accessed 2026-11-09).

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