3,4-Dichlorophenyl isothiocyanate
3,4-二氯异硫氰酸苯酯
Also known as: 1,2-dichloro-4-isothiocyanatobenzene, Benzene, 1,2-dichloro-4-isothiocyanato-, Isothiocyanic acid, 3,4-dichlorophenyl ester, 1,2-Dichloro-4-isothiocyanatobenzene, 3,4-Dichlorophenylisothiocyanate
3,4-Dichlorophenyl isothiocyanate (CAS 6590-94-9) 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 1,2-dichloro-4-isothiocyanatobenzene, Benzene, 1,2-dichloro-4-isothiocyanato- and Isothiocyanic acid, 3,4-dichlorophenyl ester. Key properties include a boiling point of 134-136 °C7 mm Hg(lit.), a density of 1.422 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.
- 6590-94-9
- Jingsj CID
- J-44612-7
- Molecular Formula
- C7H3Cl2NS
- Chinese Name
- 3,4-二氯异硫氰酸苯酯
- Molecular Weight
- 204.07600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 134-136 °C7 mm Hg(lit.) |
|---|---|
| Density | 1.422 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3,4-Dichlorophenyl isothiocyanate?
The CAS number of 3,4-Dichlorophenyl isothiocyanate is 6590-94-9.
What are the molecular formula and molecular weight of 3,4-Dichlorophenyl isothiocyanate?
3,4-Dichlorophenyl isothiocyanate has molecular formula C7H3Cl2NS and molecular weight 204.07600 g/mol.
Is 3,4-Dichlorophenyl isothiocyanate hazardous?
3,4-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. "3,4-Dichlorophenyl isothiocyanate (CAS 6590-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44612-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.