Skip to main content

3,4-Difluorophenyl isocyanate

Also known as: 1,2-Difluoro-4-isocyanatobenzene, 3,4-Difluoro-1-isocyanatobenzene, Benzene, 1,2-difluoro-4-isocyanato-, Isocyanic Acid 3,4-Difluorophenyl Ester, MFCD00065711

3,4-Difluorophenyl isocyanate (CAS 42601-04-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3F2NO and a molecular weight of 155.102 g/mol. Key properties include a boiling point of 186.4±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 58.9±14.2 °C. It is classified under GHS with signal word Warning 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.
42601-04-7
Jingsj CID
J-35755-1
Molecular Formula
C7H3F2NO
Molecular Weight
155.102 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point186.4±30.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point58.9±14.2 °C
Exact Mass155.018265
PSA29.43000
LogP2.96
Vapor Pressure0.7±0.4 mmHg at 25°C
Refractive Index1.489

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful 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 3,4-Difluorophenyl isocyanate?

The CAS number of 3,4-Difluorophenyl isocyanate is 42601-04-7.

What are the molecular formula and molecular weight of 3,4-Difluorophenyl isocyanate?

3,4-Difluorophenyl isocyanate has molecular formula C7H3F2NO and molecular weight 155.102 g/mol.

Is 3,4-Difluorophenyl isocyanate hazardous?

3,4-Difluorophenyl isocyanate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 3,4-Difluorophenyl isocyanate?

For 3,4-Difluorophenyl isocyanate, Upstream Products: 3,4-Difluoroaniline.

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

Last updated:

How to cite: Jingsj. "3,4-Difluorophenyl isocyanate (CAS 42601-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35755-1 (accessed 2026-11-09).

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