4-chloro-3-nitrophenyl isothiocyanate

4-氯-3-硝基苯基异硫氰酸酯

Also known as: 1-chloro-4-isothiocyanato-2-nitrobenzene, 4-chloro-3-nitrobenzeneisothiocyanate, 4-chloro-3-nitrobenzenisothiocyanate, Benzene, 1-chloro-4-isothiocyanato-2-nitro- (9CI)

4-chloro-3-nitrophenyl isothiocyanate (CAS 127142-66-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3ClN2O2S and a molecular weight of 214.62900 g/mol. It is also known as 1-chloro-4-isothiocyanato-2-nitrobenzene, 4-chloro-3-nitrobenzeneisothiocyanate and 4-chloro-3-nitrobenzenisothiocyanate. Key properties include a melting point of 64 °C, a boiling point of 340.2ºC at 760mmHg, a density of 1.48g/cm3 and a flash point of 159.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
127142-66-9
Jingsj CID
J-1440042-5
Molecular Formula
C7H3ClN2O2S
Chinese Name
4-氯-3-硝基苯基异硫氰酸酯
Molecular Weight
214.62900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point64 °C
Boiling Point340.2ºC at 760mmHg
Density1.48g/cm3
Flash Point159.6ºC

Frequently Asked Questions

What is the CAS number of 4-chloro-3-nitrophenyl isothiocyanate?

The CAS number of 4-chloro-3-nitrophenyl isothiocyanate is 127142-66-9.

What are the molecular formula and molecular weight of 4-chloro-3-nitrophenyl isothiocyanate?

4-chloro-3-nitrophenyl isothiocyanate has molecular formula C7H3ClN2O2S and molecular weight 214.62900 g/mol.

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

Last updated:

How to cite: Jingsj. "4-chloro-3-nitrophenyl isothiocyanate (CAS 127142-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440042-5 (accessed 2026-10-26).

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