Name | Hexazinoe |
Synonyms | Velpar Velpar L DPX 3674 Velpar RP DPX-A3674 Velpar 2L Hexazinoe Velpar 90W Hexazinone Kexazinone 3-Cyclohexyl-6-dimethylamino-1-methyl-1,3,5-triazine-2,4-dione Cyclohexyl-6-(dimethylamino)-1-methyl-s-triazine-2,4(1H,3H)-dione 3-Cyclohexyl-1-methyl-6-(dimethylamino)-s-triazine-2,4(1H,3H)-dione 3-cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-Triazine-2,4(1H,3H)-dione |
CAS | 51235-04-2 |
EINECS | 257-074-4 |
InChI | InChI=1/C12H20N4O2/c1-14(2)10-13-11(17)16(12(18)15(10)3)9-7-5-4-6-8-9/h9H,4-8H2,1-3H3 |
Molecular Formula | C12H20N4O2 |
Molar Mass | 252.31 |
Density | 1.27g/cm3 |
Melting Point | 97-100.5° |
Boling Point | 332.8°C at 760 mmHg |
Flash Point | 155.1°C |
Water Solubility | 33g/L(25 ºC) |
Vapor Presure | 0.000142mmHg at 25°C |
pKa | 2.05±0.70(Predicted) |
Storage Condition | APPROX 4°C |
Refractive Index | 1.612 |
Physical and Chemical Properties | Water-soluble: 3.3g/100 |
Use | For the control of a variety of annual and biennial weeds |
Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
Safety Description | S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
UN IDs | UN3077 9/PG 3 |
WGK Germany | 3 |
RTECS | XY7850000 |
HS Code | 29336990 |
Toxicity | LD50 orally in rats: 1690 mg/kg (Neary) |
Hexazinone is a widely used organic phosphorus compound for weed control, typically used to control a wide range of broadleaf weeds and grassy weeds. It is a herbicide that disrupts the synthesis of the amino acid tyrosine in plants, making it particularly effective against grassy plants. Hexazinone is commonly used in agricultural, forestry, and public landscape weed control operations. It is considered a potential environmental pollutant and may pose a certain level of risk to water resources. Proper precautions should be taken when using hexazinone to ensure the safety of humans and the environment.
Hexazinone is a white crystalline solid that is stable at room temperature. It is an organic nitrogen heterocyclic compound with a chemical formula of C12H20N4O2. Hexazinone is a herbicide primarily used for controlling broadleaf weeds and grassy weeds, commonly employed in agriculture, forestry, and landscaping.
The synthesis of hexazinone involves multiple steps in a chemical synthesis process. Typically, the synthesis route involves N-alkylation reactions of AlH2ClO4, and through a series of reactions, aluminum hydroxide eliminates the nitro nitrogen atoms from N-alkylated nitroanilines to produce hexazinone.
Safety considerations should be taken into account when using hexazinone. Due to its potential for water contamination, it is important to follow relevant regulations and guidelines during its application. Operators should wear appropriate protective gear to prevent skin and respiratory exposure when handling hexazinone. Furthermore, using the correct dosage and application method is crucial, and adhering to environmental regulations is essential to minimize adverse impacts on the environment.