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2,5-dichlorophenyl isothiocyanate

2,5-二氯异硫氰酸苯酯

Also known as: 1,4-dichloro-2-isothiocyanatobenzene, 2,5-dichlorophenylisothiocyanate, 2,5-dichlorobenzenisothiocyanate, 2,5-Dichlor-phenylisothiocyanat, MFCD00041054

2,5-dichlorophenyl isothiocyanate (CAS 3386-42-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2NS and a molecular weight of 204.07600 g/mol. It is also known as 1,4-dichloro-2-isothiocyanatobenzene, 2,5-dichlorophenylisothiocyanate and 2,5-dichlorobenzenisothiocyanate. Key properties include a boiling point of 145-147 °C15 mm Hg(lit.), a density of 1.425 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.
3386-42-3
Jingsj CID
J-44759-9
Molecular Formula
C7H3Cl2NS
Chinese Name
2,5-二氯异硫氰酸苯酯
Molecular Weight
204.07600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point145-147 °C15 mm Hg(lit.)
Density1.425 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,5-dichlorophenyl isothiocyanate?

The CAS number of 2,5-dichlorophenyl isothiocyanate is 3386-42-3.

What are the molecular formula and molecular weight of 2,5-dichlorophenyl isothiocyanate?

2,5-dichlorophenyl isothiocyanate has molecular formula C7H3Cl2NS and molecular weight 204.07600 g/mol.

Is 2,5-dichlorophenyl isothiocyanate hazardous?

2,5-dichlorophenyl isothiocyanate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2,5-dichlorophenyl isothiocyanate (CAS 3386-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44759-9 (accessed 2026-10-23).

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