Ioxynil
Synonym(s):4-Hydroxy-3,5-diiodobenzonitrile
- CAS NO.：1689-83-4
- Empirical Formula: C7H3I2NO
- Molecular Weight: 370.91
- MDL number: MFCD00016422
- EINECS: 216-881-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:33
What is Ioxynil?
Chemical properties
beige amorphous powder
The Uses of Ioxynil
3,5-Diiodo-4-hydroxybenzonitrile is used in the preparation of herbicides Bromoxynil and Ioxynil.
Definition
ChEBI: A nitrile that is benzonitrile substituted by a hydroxy group at position 4 and iodo groups at positions 3 and 5.
Properties of Ioxynil
| Melting point: | 200 °C |
| Boiling point: | 282.6±40.0 °C(Predicted) |
| Density | 2.4947 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | neat |
| pka | 4.95±0.23(Predicted) |
| Water Solubility | Insoluble |
| Sensitive | Light Sensitive |
| BRN | 2364041 |
| CAS DataBase Reference | 1689-83-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzonitrile, 4-hydroxy-3,5-diiodo-(1689-83-4) |
| EPA Substance Registry System | Ioxynil (1689-83-4) |
Safety information for Ioxynil
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H312:Acute toxicity,dermal H319:Serious eye damage/eye irritation H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ioxynil
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