4-(Trifluoromethoxy)phenyl isocyanate

4-三氟甲氧基苯基异氰酸酯

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. It is also known as 1-Isocyanato-4-(trifluoromethoxy)benzene, p-(Trifluoromethoxy)phenyl isocyanate and Isocyanic Acid 4-(Trifluoromethoxy)phenyl Ester. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
35037-73-1
Jingsj CID
J-19230-5
Molecular Formula
C8H4F3NO2
Chinese Name
4-三氟甲氧基苯基异氰酸酯
Molecular Weight
203.118 g/mol
Category
Organic Acids
Last updated
8/21/2026

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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

GHS Safety & Compliance

IrritantSignal word: Warning

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.

Data compiled from public chemical databases 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-19230-5 (accessed 2026-10-22).

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