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Dicamba

Dicamba structure

CAS No:
1918-00-9
Formula:
C8H6Cl2O3
Chemical Name:
Dicamba
Synonyms:
Benzoic acid,3,6-dichloro-2-methoxy-;o-Anisic acid,3,6-dichloro-;3,6-Dichloro-2-methoxybenzoic acid;Dicamba;3,6-Dichloro-o-anisic acid;2,5-Dichloro-6-methoxybenzoic acid;Mediben;2-Methoxy-3,6-dichlorobenzoic acid;Velsicol Compound R;Velsicol 58CS11;Dianat;MDBA;Banvel;Banvel SGF;Vanquish;Banvel 70WP;DC;Aviator;Celebrity B;Mais Banvel WG;62610-39-3;856565-78-1
Categories:
Agrochemicals > Herbicides

Description

ChEBI: A methoxybenzoic acid that is O-methylsalicylic acid substituted by chloro groups at positions 3 and 6.Dicamba is a benzoic acid derivative used as a broad-spectrum herbicide. Dicamba can be used to control the annual and perennial rose weeds in grain crops and highlands, to control brush and bracken in pastures as well as legumes and cacti. It kills broadleaf weeds both before and after they sprout. Dicamba takes effect through stimulating the outgrowth of plant, which causes the exhaus

Dicamba Basic Attributes

Molecular Weight：

221.04

Exact Mass：

221.04

EC Number：

217-635-6

HScode：

29189900

Characteristics

PSA：

46.5

XLogP3：

2.21

Appearance：

White Crystals

Density：

1.57 g/cm³ @ Temp: 25 °C

Melting Point：

114-116 °C

Boiling Point：

> 200 deg C

Flash Point：

2 °C

Refractive Index：

1.5000 (estimate)

Water Solubility：

H2O: 50 g/100 mL

Storage Conditions：

2-8°C

Vapor Pressure：

Vapour pressure, Pa at 25°C: 0.0045

Vapor Density：

7.62 (USCG, 1999) (Relative to Air)

Toxicity：

Oral-rat LD50: 1039 mg/kg; Oral-Mouse LD50: 1190 mg/kg

Flammability characteristics：

Open flame is flammable; heat decomposes toxic chloride gas

Odor：

Odorless (reference grade)

Safety Information

Transport codes：

UN 3077 9/PG 3

wgk germany：

hazard class code：

22-41-52/53-36-20/21/22-11

safety instructions：

26-61-36-16

RTECS Number：

DG7525000

Marks：

Xn,N,F

Storage features：

The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

Stability/Shelf Life：

Resistant to acid and strong alkali.

Precautionary statement(s)：

P273-P280-P305 + P351 + P338

Hazard Statements：

H302-H318-H412

Toxicity

Toxicity class：

moderately toxic

Dicamba Use and Manufacturing

Methods of Manufacturing

2, 5-Dichlorophenol is prepared by the reaction of 1, 2, 4-trichlorobenzene and CH3OH/NaOH. Then it reacts with CO2 under a certain pressure to produce 2-hydroxy-3, 6-dichlorobenzoic acid, and then reacts with (CH3)2SO4 to synthesize dicamba.

Uses

Selective, systemic preemergence and postemergence herbicide used to control both annual and perennial broad-leaved weeds, chickweed, mayweed and bindweed in cereals and other related crops.

Computed Properties

Molecular Weight:221.03
XLogP3:2.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:219.9693994
Monoisotopic Mass:219.9693994
Topological Polar Surface Area:46.5
Heavy Atom Count:13
Complexity:198
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Carbon dioxide

Potassium hydroxide

Sodium hydroxide

Cobalt chloride (CoCl2)

Hydrochloric acid

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CAS No.: 1918-00-9

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