Substance profile
Bromoxynil
Bromoxynil is a white crystalline solid and is odorless.
01 · Identification
What Bromoxynil is
Bromoxynil is a white crystalline solid and is odorless. Its molecular formula is C7H3Br2NO and its molecular weight is 276.91 g/mol. It melts at 190 °C.
Under the GHS it carries the signal word Danger.
Other names for Bromoxynil
- bromoxynil (ISO)
- 3,5-dibromo-4-hydroxybenzonitrile
- bromoxynil phenol
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H361d | Suspected of damaging the unborn child. |
| H330 | Fatal if inhaled. |
| H301 | Toxic if swallowed. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P260, P261, P270, P271, P272, P273, P280, P301, P304, P310, P313, P330, P333, P391, P501
03 · Physical and chemical properties
Bromoxynil properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 190 °C (374 °F) | range, midpoint shown | HSDB |
| 194.5 °C (382.1 °F) | range, midpoint shown, at 0.15 mmHg (reduced pressure) | HSDB | |
| Solubility | IN WATER 130 PPM (0.013%) WT/VOL @ 20-25 °C; IN ETHANOL 7% WT/VOL @ 20-25 °C; IN LIGHT PETROLEUM & XYLENE 1-2% WT/VOL @ 20-25 °C | HSDB | |
| IN DIMETHYLFORMAMIDE 61% WT/VOL @ 20-25 °C; IN BENZENE 1% WT/VOL @ 20-25 °C; IN METHANOL 9% WT/VOL @ 20-25 °C; IN ACETONE 17% WT/VOL AT 20-25 °C | HSDB | ||
| Solubility in (g/L) at 25 °C: acetone 170; tetrahydrofuran 410 | at 25 °C | HSDB | |
| Vapor pressure | 1275 mmHg | at 25 °C | HSDB |
| 5e-8 mmHg | Haz-Map | ||
| Corrosivity | Non-corrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Bromoxynil
Storage conditions
Store at temperatures above 3 °F. If allowed to freeze, remix before using. Do not contaminate water, food, or feed by storage ... of this chemical.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
BROMOXYNIL is a weak acid.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Bromoxynil in the storage compatibility matrix →