2-chloro-5-(trifluoromethyl)phenyl isothiocyanate

2-氯-5-(三氟甲基)苯基异硫氰酸酯

Also known as: 1-chloro-2-isothiocyanato-4-(trifluoromethyl)benzene, 2-Chlor-5-trifluormethyl-phenylisothiocyanat, Benzene, 1-chloro-2-isothiocyanato-4-(trifluoromethyl)-, NSC 172980

2-chloro-5-(trifluoromethyl)phenyl isothiocyanate (CAS 23165-49-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H3ClF3NS and a molecular weight of 237.62900 g/mol. It is also known as 1-chloro-2-isothiocyanato-4-(trifluoromethyl)benzene, 2-Chlor-5-trifluormethyl-phenylisothiocyanat and Benzene, 1-chloro-2-isothiocyanato-4-(trifluoromethyl)-. Key properties include a boiling point of 239 °C(lit.), a density of 1.447 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23165-49-3
Jingsj CID: J-6829-5
Molecular Formula: C₈H₃ClF₃NS
Chinese Name: 2-氯-5-(三氟甲基)苯基异硫氰酸酯
Molecular Weight: 237.62900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	239 °C(lit.)
Density	1.447 g/mL at 25 °C(lit.)
Flash Point	>230 °F

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-chloro-5-(trifluoromethyl)phenyl isothiocyanate?

The CAS number of 2-chloro-5-(trifluoromethyl)phenyl isothiocyanate is 23165-49-3.

What are the molecular formula and molecular weight of 2-chloro-5-(trifluoromethyl)phenyl isothiocyanate?

2-chloro-5-(trifluoromethyl)phenyl isothiocyanate has molecular formula C8H3ClF3NS and molecular weight 237.62900 g/mol.

Is 2-chloro-5-(trifluoromethyl)phenyl isothiocyanate hazardous?

2-chloro-5-(trifluoromethyl)phenyl isothiocyanate has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-chloro-5-(trifluoromethyl)phenyl isothiocyanate (CAS 23165-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6829-5 (accessed 2026-10-23).

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