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4-Bromo-2,3,5,6-tetrafluoropyridine

Also known as: 4-Bromotetrafluoropyridine, 4-Bromo-2,3,5,6-tetrafluoropyridine 98%, 4-Brom-2,3,5,6-tetrafluorpyridin, 4-Brom-tetrafluor-pyridin, Pyridine, 4-bromo-2,3,5,6-tetrafluoro-

4-Bromo-2,3,5,6-tetrafluoropyridine (CAS 3511-90-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5BrF4N and a molecular weight of 229.95800 g/mol. Key properties include a melting point of 132-134ºC, a boiling point of 134-135ºC(lit.), a density of 1.208g/cm3 and a flash point of 131.2ºC. 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.
3511-90-8
Jingsj CID
J-27788-3
Molecular Formula
C5BrF4N
Molecular Weight
229.95800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point132-134ºC
Boiling Point134-135ºC(lit.)
Density1.208g/cm3
Flash Point131.2ºC
Exact Mass228.91500
PSA12.89000
LogP2.40050
Refractive Indexn20/D 1.464(lit.)

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-Bromo-2,3,5,6-tetrafluoropyridine?

The CAS number of 4-Bromo-2,3,5,6-tetrafluoropyridine is 3511-90-8.

What are the molecular formula and molecular weight of 4-Bromo-2,3,5,6-tetrafluoropyridine?

4-Bromo-2,3,5,6-tetrafluoropyridine has molecular formula C5BrF4N and molecular weight 229.95800 g/mol.

Is 4-Bromo-2,3,5,6-tetrafluoropyridine hazardous?

4-Bromo-2,3,5,6-tetrafluoropyridine 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-Bromo-2,3,5,6-tetrafluoropyridine?

For 4-Bromo-2,3,5,6-tetrafluoropyridine, Upstream Products: Pentafluoropyridine, Calcium bromide, N-Fluoroperfluoropiperidine; Downstream Products: 2,3,5,6-Tetrafluoroisonicotinic acid, 3,5,6-Trifluoropyridin-2-amine.

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-Bromo-2,3,5,6-tetrafluoropyridine (CAS 3511-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27788-3 (accessed 2026-11-09).

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