4-Fluoro-2-nitrophenyl isocyanate

异氰酸4-氟-2-硝基苯酯

Also known as: 4-fluoro-1-isocyanato-2-nitrobenzene, Benzene, 4-fluoro-1-isocyanato-2-nitro-

4-Fluoro-2-nitrophenyl isocyanate (CAS 190774-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3FN2O3 and a molecular weight of 182.10900 g/mol. It is also known as 4-fluoro-1-isocyanato-2-nitrobenzene and Benzene, 4-fluoro-1-isocyanato-2-nitro-. Key properties include a melting point of 50-55ºC, a boiling point of 78ºC (0.3 mmHg), a density of 1.43g/cm3 and a flash point of 123.1ºC. It is classified under GHS with signal word Danger 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.
190774-51-7
Jingsj CID
J-39110-4
Molecular Formula
C7H3FN2O3
Chinese Name
异氰酸4-氟-2-硝基苯酯
Molecular Weight
182.10900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point50-55ºC
Boiling Point78ºC (0.3 mmHg)
Density1.43g/cm3
Flash Point123.1ºC
Exact Mass182.01300
PSA75.25000
LogP2.22440
Vapor Pressure0.00392mmHg at 25°C
Refractive Index1.57

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2929109000
Summary2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Fluoro-2-nitrophenyl isocyanate?

The CAS number of 4-Fluoro-2-nitrophenyl isocyanate is 190774-51-7.

What are the molecular formula and molecular weight of 4-Fluoro-2-nitrophenyl isocyanate?

4-Fluoro-2-nitrophenyl isocyanate has molecular formula C7H3FN2O3 and molecular weight 182.10900 g/mol.

Is 4-Fluoro-2-nitrophenyl isocyanate hazardous?

4-Fluoro-2-nitrophenyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-2-nitrophenyl isocyanate (CAS 190774-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39110-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.