CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Hexazinone is a white crystalline solid. Corrosive eye irritant. Used as an herbicide. |
|---|---|
| Color/Form | Crystals |
| Odor | Odorless |
| Boiling Point | Decomposes |
| Melting Point | 117.2 °C |
| Solubility | In water, 3.3X10+4 mg/L at 25 °C |
| Density | Specific gravity = 1.25 |
| Vapor Pressure | 0.000225 [mmHg] |
| LogP | log Kow = 1.85 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitrogen oxides/. |
| Corrosivity | Noncorrosive |
| Dissociation Constants | pKa = 2.2 at 25 °C (amine) |
| Collision Cross Section | 163.17 Ų [M+H]+ [CCS Type: DT, Method: stepped-field] |
| Kovats Retention Index | 2328.7 |
| Other Experimental Properties | Stable in aqueous media between pH 5 and 9 and below 37 °C. Decomposed by strong acids and strong bases. Stable to light. Decomposes on distillation |
| Chemical Classes | Pesticides -> Herbicides, Triazine |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 ![]() Environment GHS09 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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
| Molecular Weight | 252.31 g/mol |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 252.15862589 g/mol |
| Monoisotopic Mass | 252.15862589 g/mol |
| Topological Polar Surface Area | 56.2 Ų |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| Complexity | 386 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Hexazinone is a white crystalline solid. Corrosive eye irritant. Used as an herbicide.


