4-Nitrophenyl isothiocyanate
Also known as: 1-Isothiocyanato-4-nitrobenzene, 1-isothiocyanato-4-nitrobenzene, p-Nitrophenyl isothiocyanate, Benzene, 1-isothiocyanato-4-nitro-, Isothiocyanic Acid 4-Nitrophenyl Ester, 4-NITROPHENYL ISOTHIOCYANATE, 4-nitro-phenyl isothiocyanate, para-nitrophenylisothiocyanate
4-Nitrophenyl isothiocyanate (CAS 2131-61-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4N2O2S and a molecular weight of 180.184 g/mol. Key properties include a melting point of 110-112 °C(lit.), a boiling point of 331.1±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 154.1±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2131-61-5
- Jingsj CID
- J-6680-8
- Molecular Formula
- C7H4N2O2S
- Molecular Weight
- 180.184 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 110-112 °C(lit.) |
|---|---|
| Boiling Point | 331.1±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 154.1±23.2 °C |
| Exact Mass | 179.999344 |
| PSA | 90.27000 |
| LogP | 3.62 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.632 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
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 4-Nitrophenyl isothiocyanate?
The CAS number of 4-Nitrophenyl isothiocyanate is 2131-61-5.
What are the molecular formula and molecular weight of 4-Nitrophenyl isothiocyanate?
4-Nitrophenyl isothiocyanate has molecular formula C7H4N2O2S and molecular weight 180.184 g/mol.
Is 4-Nitrophenyl isothiocyanate hazardous?
4-Nitrophenyl isothiocyanate has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Nitrophenyl isothiocyanate?
For 4-Nitrophenyl isothiocyanate, Upstream Products: N-Hydroxy-4-nitrobenzimidoyl chloride, Carbon disulphide, Thiophosgene; Downstream Products: (4-Nitrophenyl)thiourea, 4-(4-Nitrophenyl)-3-thiosemicarbazide, p-Thiocyanatoaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Nitrophenyl isothiocyanate (CAS 2131-61-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6680-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.