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4-Nitrophenyl isocyanate

Also known as: 1-Isocyanato-4-nitrobenzene, Benzene, 1-isocyanato-4-nitro-, Isocyanic acid, p-nitrophenyl ester, p-Nitrophenyl isocyanate, 1-isocyanato-4-nitro-benzen, ai3-28253

4-Nitrophenyl isocyanate (CAS 100-28-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4N2O3 and a molecular weight of 164.118 g/mol. Key properties include a melting point of 56-59 °C(lit.), a boiling point of 270.4±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 121.2±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
100-28-7
Jingsj CID
J-1496711-4
Molecular Formula
C7H4N2O3
Molecular Weight
164.118 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-59 °C(lit.)
Boiling Point270.4±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point121.2±22.6 °C
Exact Mass164.022186
PSA75.25000
LogP2.96
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.589

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • 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-Nitrophenyl isocyanate?

The CAS number of 4-Nitrophenyl isocyanate is 100-28-7.

What are the molecular formula and molecular weight of 4-Nitrophenyl isocyanate?

4-Nitrophenyl isocyanate has molecular formula C7H4N2O3 and molecular weight 164.118 g/mol.

Is 4-Nitrophenyl isocyanate hazardous?

4-Nitrophenyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H315 — Causes skin irritation.

What are the upstream and downstream products of 4-Nitrophenyl isocyanate?

For 4-Nitrophenyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, Carbon dioxide; Downstream Products: N-(4-nitrophenyl)benzamide, 1,3-Bis(4-nitrophenyl)urea.

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-Nitrophenyl isocyanate (CAS 100-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496711-4 (accessed 2026-11-09).

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