Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Diuron
CAS Number: 330-54-1
Alias: DCMU, N'-(3,4-dichlorophenyl)-N,N-dimethylurea
Molecular Formula: C9H10Cl2N2O
Molecular Weight: 233.09 g/mol
IUPAC Name: 3-(3,4-dichlorophenyl)-1,1-dimethylurea
Structural Information
- Structure Type: Substituted urea compound, herbicide
- Structural Features: Consists of dimethylurea group and 3,4-dichlorophenyl group. The special molecular structure enables it to inhibit photosynthesis of weeds and present stable chemical properties.
Physical & Chemical Properties
- Appearance: White crystalline solid; technical grade is off-white powder
- Odor: Odorless
- Melting Point: 158–159 °C (pure product)
- Density: 1.48 g/cm3 (20 °C)
- Vapor Pressure: 4.13×10?? Pa (50 °C)
- Solubility: Slightly soluble in water; soluble in acetone, hot ethanol and ethyl acetate; slightly soluble in benzene and common alcohols
- Stability: Stable under normal temperature, light and neutral conditions. Gradually decomposes under strong acid, strong alkali and high temperature. Resistant to hydrolysis.
Synthesis & Applications
Synthesis Method
Synthesized by the reaction of 3,4-dichlorophenyl isocyanate with dimethylamine. The crude product is filtered, washed and recrystallized to obtain high-purity finished product.
Main Applications
- Agricultural Herbicide: Broad-spectrum herbicide, inhibits plant photosynthesis. Used for pre-emergence and post-emergence weed control in farmland, orchards, tea gardens and non-cultivated land.
- Industrial Use: Applied as algicide and antifouling agent in water systems.
- Biochemical Research: Common photosynthesis inhibitor for laboratory plant physiology research.
Safety & Storage Instructions
- Hazard Classification: Moderately toxic substance; irritates skin, eyes and respiratory tract. Harmful if swallowed or inhaled.
- Personal Protection: Wear dust mask, safety goggles and chemical resistant gloves. Avoid dust inhalation and direct skin contact.
- Storage Condition: Keep containers tightly sealed. Store in cool, dry and dark well-ventilated area. Keep away from food, feed, acids, alkalis and oxidants.
- Transportation: Classified as pesticide hazardous goods. Follow relevant regulations; prevent package damage, leakage and dampness during transit.
Quality & Spectral Data
- Purity (HPLC): ≥98.0% / ≥95.0% (technical grade)
- Loss on Drying: ≤0.5%
- Residue on Ignition: ≤0.2%
- Melting Range: 158–159 °C
- IR Spectrum: Characteristic absorption peaks conform to standard reference spectrum
Information Summary Table
| Item | Specification |
| CAS Number | 330-54-1 |
| Product Name | Diuron |
| Synonym | DCMU, N'-(3,4-dichlorophenyl)-N,N-dimethylurea |
| Molecular Formula | C9H10Cl2N2O |
| Molecular Weight | 233.09 g/mol |
| Appearance | White crystalline solid / off-white powder |
| Melting Point | 158–159 °C |
| Solubility | Slightly soluble in water; soluble in acetone, ethyl acetate |
| Purity | ≥98.0% (HPLC) |
| Storage Condition | Sealed, cool dry dark place, away from food and corrosives |
| Hazard Property | Moderately toxic, mild irritant |
| Main Usage | Broad-spectrum herbicide, algicide, biochemical reagent |
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