4-fluorobenzenesulfonyl isocyanate
Also known as: p-fluorophenylsulfonyl isocyanate, (4-fluorophenyl)sulfonyl isocyanate, 4-fluoro-N-(oxomethylidene)benzenesulfonamide, benzenesulfonyl isocyanate, 4-fluoro-, benzenesulfonylisocyanate, 4-fluoro
4-fluorobenzenesulfonyl isocyanate (CAS 3895-25-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4FNO3S and a molecular weight of 201.17500 g/mol. Key properties include a melting point of 33-38ºC(lit.), a boiling point of 63ºC0.1 mm Hg(lit.), a density of 1.41g/cm3 and a flash point of 115.2ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3895-25-8
- Jingsj CID
- J-31257-2
- Molecular Formula
- C7H4FNO3S
- Molecular Weight
- 201.17500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33-38ºC(lit.) |
|---|---|
| Boiling Point | 63ºC0.1 mm Hg(lit.) |
| Density | 1.41g/cm3 |
| Flash Point | 115.2ºC |
| Exact Mass | 200.99000 |
| PSA | 71.95000 |
| LogP | 1.93100 |
| Refractive Index | 1.558 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H314 — Causes severe skin burns and eye damage
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2929109000 |
|---|---|
| Summary | 2929109000. other isocyanates. 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-fluorobenzenesulfonyl isocyanate?
The CAS number of 4-fluorobenzenesulfonyl isocyanate is 3895-25-8.
What are the molecular formula and molecular weight of 4-fluorobenzenesulfonyl isocyanate?
4-fluorobenzenesulfonyl isocyanate has molecular formula C7H4FNO3S and molecular weight 201.17500 g/mol.
Is 4-fluorobenzenesulfonyl isocyanate hazardous?
4-fluorobenzenesulfonyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 4-fluorobenzenesulfonyl isocyanate?
For 4-fluorobenzenesulfonyl isocyanate, Upstream Products: 1,2-Dichlorobenzene, 4-Fluorobenzenesulfonamide.
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-fluorobenzenesulfonyl isocyanate (CAS 3895-25-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31257-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.