Overview
Linuron (CAS 330-55-2 ) is a selective phenylurea herbicide used in crop protection to control a broad spectrum of annual grasses and broadleaf weeds. It acts by inhibiting photosynthesis in target plants.
This chemical serves as a post-emergence and pre-emergence treatment option across multiple field crops. It is applied in soybean, corn, potato, carrot, and cereal crop production to suppress weed competition.
During critical early growth stages, it controls problem weeds such as chickweed, pigweed, and lambsquarters. It does so without damaging established crops when applied at label-specified rates for vegetable cultivation.
Formulators incorporate it as the active ingredient in wettable powder and suspension concentrate herbicide products. These are sold through agricultural distribution channels for professional use in the field.
It is also used in non-crop settings such as industrial land management and rights-of-way vegetation control. This versatility makes it a staple in large-scale weed management programs globally.
The product is supplied as a technical-grade active ingredient, typically as a crystalline powder. It features defined purity specifications meeting rigorous agrochemical manufacturing standards for quality and consistency.
Formulated products are available as wettable powders and suspension concentrates for end-use application. Procurement is standard through agrochemical active ingredient suppliers for bulk industrial needs.
Technical grade remains the primary form traded at the bulk level for global distribution. This ensures that manufacturers receive a high-purity material suitable for various agricultural formulations and blends.
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Physical Properties
| Melting Point | 93-94 °C |
| Boiling Point | 180-190°C |
| Density | 1.49 g/cm³ @ Temp: 20 °C |
| Flash Point | 11 °C |
| Appearance | White crystalline solid or powder. Odorless. Commercial product may be available a water soluble or emulsifiable concentrate. |
| Color | White |
| Form | Crystalline Solid |
| Water Solubility | 0.0075 g/100 mL |
| Refractive Index | 1.6100 (estimate) |
Safety & Handling
Danger GHS07 GHS08 GHS09 Hazard Statements H302 H302 H335 H335 H351 H351 H360 H360 H373 H373 H400 H400 H410 H410 Precautionary Statements P203 P203 P260 P260 P261 P261 P264 P264 P270 P270 P271 P271 P273 P273 P280 P280 P318 P318 P319 P319 P330 P330 P391 P391 P405 P405 P501 P501 P301+P317 P301+P317 P304+P340 P304+P340 P403+P233 P403+P233
Trade & Regulatory
| HS Code | 29280000 |
| UN Number | 3077 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 330-55-2
- EC Number
- 206-356-5
- Mol. Weight
- 249.09
- HS Code
- 29280000
- Category
- Agrochemicals