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Diuron

Diuron structure

CAS No:
330-54-1
Formula:
C9H10Cl2N2O
Chemical Name:
Diuron
Synonyms:
Urea,N′-(3,4-dichlorophenyl)-N,N-dimethyl-;Urea,3-(3,4-dichlorophenyl)-1,1-dimethyl-;N′-(3,4-Dichlorophenyl)-N,N-dimethylurea;DCMU;N-(3,4-Dichlorophenyl)-N′,N′-dimethylurea;3-(3,4-Dichlorophenyl)-1,1-dimethylurea;1,1-Dimethyl-3-(3,4-dichlorophenyl)urea;Diuron;Duran;Karmex;Karmex Diuron Herbicide;Karmex DW;Marmer;Telvar Diuron Weed Killer;1-(3,4-Dichlorophenyl)-3,3-dimethylurea;DMU;Herbatox;HW 920;Karmex D;DP Hardener 95;Lucenit;DCMC;DCMU 99;Dyhard UR 200;N,N-Dimethyl-N′-(3,4-dichlorophenyl)urea;Preventol A 6;HRT Dinron;Diuron Nortox;Karmax;NSC 8950;Dairon;DCMU 9;Dironzol;Dironet;Direx;SM 400;SM 400 (curing agent);Cardi;101S;Dyhard 200;Diurex;UR 200;Biocut DC 100;Epiclon B 605IM;DCMUH;B 605IM;Dichlorfenidim;56449-18-4;102962-29-8;127641-75-2;150825-44-8;201749-62-4;2097333-87-2
Categories:
Agrochemicals > Herbicides

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Description

White, odorless crystalline solid

Diuron Basic Attributes

Molecular Weight：

233.09400

Exact Mass：

233.09

EC Number：

206-354-4

HScode：

2924299032

Characteristics

PSA：

32.34000

XLogP3：

3.15990

Appearance：

Diuron is a white crystalline solid. It is a wettable powder. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It can cause illness by inhalation, skin absorption and/or ingestion. It is used as a herbicide.

Density：

1.369 g/cm3

Melting Point：

158-159 °C

Boiling Point：

385.2ºC at 760 mmHg

Flash Point：

186.7ºC

Refractive Index：

1.605

Water Solubility：

Slightly soluble. 0.0042 g/100 mL

Storage Conditions：

APPROX 4ºC

Vapor Pressure：

2(x 10 -7 mmHg) at 30 °C (Hawley, 1981)

Toxicity：

LD50 orally in rats: 1690 mg/kg (Boyd, Krupa)

Flammability characteristics：

Noncombustible Solid

Odor：

Odorless

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 2767

wgk germany：

hazard class code：

R22; R40; R48/22; R50/53

safety instructions：

S13; S22; S23; S37; S46; S60; S61; S2; S36/37; S26

RTECS Number：

YS8925000

Marks：

O; C

Stability/Shelf Life：

Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.

Precautionary statement(s)：

P260-P280-P301 + P312 + P330

Hazard Statements：

H302-H351-H373-H410

Diuron Use and Manufacturing

A phenyl urea herbicide. Pre-emergent herbicide. Diuron is a urea compound used as a preemergence herbicide in soils to control germinating broad-leaved grasses and weeds in crops such as apples, cotton, grapes, pears, pineapple and alfalfa; sugar cane ?owering depressant.

Computed Properties

Molecular Weight:233.09
XLogP3:2.7
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:1
Exact Mass:232.0170183
Monoisotopic Mass:232.0170183
Topological Polar Surface Area:32.3
Heavy Atom Count:14
Complexity:211
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

1-Chloro-4-nitrobenzene

Ammonium chloride

Downstream Products

Carbon dioxide

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