3,4-Dichlorophenyl isothiocyanate
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. 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 >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 6590-94-9
- Jingsj CID
- J-44612-8
- Molecular Formula
- C7H3Cl2NS
- Molecular Weight
- 204.07600 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
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 | >110.0 °C |
| Exact Mass | 202.93600 |
| PSA | 44.45000 |
| LogP | 3.72770 |
| Refractive Index | n20/D 1.68(lit.) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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 and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 3,4-Dichlorophenyl isothiocyanate?
For 3,4-Dichlorophenyl isothiocyanate, Upstream Products: Thiophosgene, 3,4-Dichloroaniline, Carbon disulphide; Downstream Products: 1-(3,4-Dichlorophenyl)-2-thiourea, 2-Thiazolamine, N-(3,4-dichlorophenyl)-4,5-dihydro-, 1-(3,4-Dichlorophenyl)-1,2-dihydro-5H-tetrazole-5-thione.
Data compiled from public chemical databases such as PubChem 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-44612-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.