Skip to main content

4-(Trifluoromethoxy)phenyl isocyanate

Also known as: 4-(Trifluoromethoxy)phenyl isocyanate, 1-Isocyanato-4-(trifluoromethoxy)benzene, p-(Trifluoromethoxy)phenyl isocyanate, Isocyanic Acid 4-(Trifluoromethoxy)phenyl Ester, Benzene, 1-isocyanato-4-(trifluoromethoxy)-, 4-Isocyanatophenyl trifluoromethyl ether, 4-Trifluoromethoxyphenyl Isocyanate, 1-ISOCYANATO-4-TRIFLUOROMETHOXY-BENZENE

4-(Trifluoromethoxy)phenyl isocyanate (CAS 35037-73-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4F3NO2 and a molecular weight of 203.118 g/mol. Key properties include a melting point of -29°C, a boiling point of 181.8±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 70.0±0.0 °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.
35037-73-1
Jingsj CID
J-19230-3
Molecular Formula
C8H4F3NO2
Molecular Weight
203.118 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-29°C
Boiling Point181.8±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point70.0±0.0 °C
Exact Mass203.019409
PSA38.66000
LogP3.44
Vapor Pressure0.8±0.3 mmHg at 25°C
Refractive Index1.457

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 4-(Trifluoromethoxy)phenyl isocyanate?

The CAS number of 4-(Trifluoromethoxy)phenyl isocyanate is 35037-73-1.

What are the molecular formula and molecular weight of 4-(Trifluoromethoxy)phenyl isocyanate?

4-(Trifluoromethoxy)phenyl isocyanate has molecular formula C8H4F3NO2 and molecular weight 203.118 g/mol.

Is 4-(Trifluoromethoxy)phenyl isocyanate hazardous?

4-(Trifluoromethoxy)phenyl 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 4-(Trifluoromethoxy)phenyl isocyanate?

For 4-(Trifluoromethoxy)phenyl isocyanate, Upstream Products: 4-(Trifluoromethoxy)aniline, Diphosgene, Bis(trichloromethyl) carbonate; Downstream Products: tert-Butyl (4-(trifluoromethoxy)phenyl)carbamate.

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-(Trifluoromethoxy)phenyl isocyanate (CAS 35037-73-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19230-3 (accessed 2026-11-09).

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