Ioxynil
Also known as: 4-hydroxy-3,5-diiodobenzonitrile, 3,5-diiodo-4-hydroxybenzonitrile, 4-cyano-2,6-diiodophenol, 2,6-diiodo-4-cyanophenol, Actril, Certrol, Bentrol
Ioxynil (CAS 1689-83-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3I2NO and a molecular weight of 370.914 g/mol. Key properties include a melting point of 200 °C, a boiling point of 282.6±40.0 °C at 760 mmHg, a density of 2.7±0.1 g/cm3 and a flash point of 124.7±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1689-83-4
- Jingsj CID
- J-24686-6
- Molecular Formula
- C7H3I2NO
- Molecular Weight
- 370.914 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200 °C |
|---|---|
| Boiling Point | 282.6±40.0 °C at 760 mmHg |
| Density | 2.7±0.1 g/cm3 |
| Flash Point | 124.7±27.3 °C |
| Exact Mass | 370.830383 |
| PSA | 44.02000 |
| LogP | 3.60 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.805 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H312 — Harmful in contact with skin
- H319 — Causes serious eye irritation
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2926909032 |
|---|---|
| Summary | 2926909032 o-(4-cyanophenyl) o,o-dimethyl phosphorothioate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ioxynil?
The CAS number of Ioxynil is 1689-83-4.
What are the molecular formula and molecular weight of Ioxynil?
Ioxynil has molecular formula C7H3I2NO and molecular weight 370.914 g/mol.
Is Ioxynil hazardous?
Ioxynil has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Ioxynil?
For Ioxynil, Upstream Products: 4-Hydroxybenzonitrile; Downstream Products: (4-Cyano-2,6-diiodophenyl) benzoate, ioxynil octanoate, Ioxynil-methyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ioxynil (CAS 1689-83-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24686-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.