2,4-Difluoropyrimidine

Also known as: Pyrimidine, 2,4-difluoro-, NSC 331813, MFCD04972830, EOS-61621

2,4-Difluoropyrimidine (CAS 2802-61-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2F2N2 and a molecular weight of 116.069 g/mol. Key properties include a boiling point of 202.7±32.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 76.4±25.1 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2802-61-1
Jingsj CID: J-1422862-7
Molecular Formula: C₄H₂F₂N₂
Molecular Weight: 116.069 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	202.7±32.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	76.4±25.1 °C
Exact Mass	116.018600
PSA	25.78000
LogP	0.28
Vapor Pressure	0.4±0.4 mmHg at 25°C
Refractive Index	1.445

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger

H226 — Flammable liquid and vapour
H302 — Harmful if swallowed
H315 — Causes skin irritation
H318 — Causes serious eye damage
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. 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 2,4-Difluoropyrimidine?

The CAS number of 2,4-Difluoropyrimidine is 2802-61-1.

What are the molecular formula and molecular weight of 2,4-Difluoropyrimidine?

2,4-Difluoropyrimidine has molecular formula C4H2F2N2 and molecular weight 116.069 g/mol.

Is 2,4-Difluoropyrimidine hazardous?

2,4-Difluoropyrimidine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.

What are the upstream and downstream products of 2,4-Difluoropyrimidine?

For 2,4-Difluoropyrimidine, Upstream Products: 2,4-Dichloropyrimidine; Downstream Products: 2,4-Dimethoxypyrimidine, 2-Fluoro-4-methoxypyrimidine, 2-fluoropyrimidin-4-amine.

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. "2,4-Difluoropyrimidine (CAS 2802-61-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422862-7 (accessed 2026-11-09).

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