Substance profile
Hexazinone
Hexazinone is crystals and is odorless.
01 · Identification
What Hexazinone is
Hexazinone is crystals and is odorless. Its molecular formula is C12H20N4O2 and its molecular weight is 252.31 g/mol. It melts at 117 °C.
Under the GHS it carries the signal word Warning.
Other names for Hexazinone
- hexazinone (ISO)
- 3-cyclohexyl-6-dimethylamino-1-methyl-1,2,3,4-tetrahydro-1,3,5-triazine-2,4-dione
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 |
|---|---|
| H302 | Harmful if swallowed. |
| H319 | Causes serious eye irritation. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P264, P270, P273, P280, P301, P305, P312, P313, P330, P337, P338, P391, P501
03 · Physical and chemical properties
Hexazinone 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 |
|---|---|---|---|
| Boiling point | Decomposes | decomposes | HSDB |
| Melting point | 117.2 °C (243 °F) | HSDB | |
| Density | 1.25 g/cm³ | HSDB | |
| Solubility | In water, 3.3X10+4 mg/L at 25 °C | at 25 °C | HSDB |
| At 25 °C (g/kg): chloroform 3880, methanol 2650, benzene 940, dimethylformamide 836, acetone 792, toluene 386, hexane 3 | at 25 °C | HSDB | |
| Vapor pressure | 2.25e-7 mmHg | HSDB | |
| 0.000225 mmHg | Haz-Map | ||
| Corrosivity | Noncorrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Hexazinone
Storage conditions
Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
A triazine.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Hexazinone in the storage compatibility matrix →