Diuron
CAS 330-54-1
EC 206-354-4
Formula C9H10Cl2N2O
MW 233.09 g/mol
Agrochemicals Agriculture & FeedPlastics & PolymersTextile, Leather & Paper Flame RetardancyPreservation & BiocideCatalysis
Description
Diuron (CAS 330-54-1) is a substituted urea compound registered under EC 206-354-4 and traded under names including Dynex, DIREX, Urox, and DCMU. It functions as a photosynthesis inhibitor, blocking electron transfer in plant chloroplasts, and is classified within HS code 29242990.
In agriculture, diuron controls broadleaf and grassy weeds by disrupting the photosystem II pathway in target plants. Beyond crop protection, it is applied as a biocide in antifouling coatings and industrial preservation systems, where it inhibits algal and microbial growth on surfaces including textiles and paper substrates.
Diuron is supplied as a technical-grade solid and is subject to REACH regulation within the EU, requiring registration and compliance with applicable substance evaluation outcomes. Procurement teams should confirm current authorisation status under Biocidal Products Regulation (BPR) for non-agricultural applications. Standard packaging formats include 25 kg bags and bulk quantities on request.
In agriculture, diuron controls broadleaf and grassy weeds by disrupting the photosystem II pathway in target plants. Beyond crop protection, it is applied as a biocide in antifouling coatings and industrial preservation systems, where it inhibits algal and microbial growth on surfaces including textiles and paper substrates.
Diuron is supplied as a technical-grade solid and is subject to REACH regulation within the EU, requiring registration and compliance with applicable substance evaluation outcomes. Procurement teams should confirm current authorisation status under Biocidal Products Regulation (BPR) for non-agricultural applications. Standard packaging formats include 25 kg bags and bulk quantities on request.
Physical Properties
| Melting Point | 158-159 °C |
| Boiling Point | 180-190°C |
| Density | 1.1786 g/cm³ |
| Flash Point | 180-190°C |
| Appearance | solid |
| Color | White, odorless crystalline solid |
| Form | neat |
| Water Solubility | Slightly soluble. 0.0042 g/100 mL |
| Vapor Pressure | 2(x 10 -7 mmHg) at 30 °C (Hawley, 1981) |
| Refractive Index | 1.5500 (estimate) |
| Log P | 2.84-2.89 at 20℃ and pH4.03-9 |
Safety & Handling (Learn More)
Warning GHS08 GHS09 GHS07
H
H302H303H316H320H335H350H351H372H373H400H410
P
P203P260P261P264P270P271P273P280P318P319P330P391P405P501P264+P265P301+P317P304+P340P332+P317P337+P317P403+P233P305+P351+P338
Trade & Regulatory
| HS Code | 29242990 |
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
3-(3,4-dichlorophenyl)-1,1-dimethylureaDirexDMUDCMUDCMCVIDIUdynexaf101Duran
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Raw Materials
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