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Herbicides

Dicamba

Also known as 3,6-Dichloro-2-methoxybenzoic acid, Mdba, Banvel

CAS 1918-00-9Formula C8H6Cl2O3Molar mass 221.04 g/molEC 217-635-6
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment 145 suppliers listed
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Dicamba chemical structure, C8H6Cl2O3, CAS 1918-00-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystals from pentane
Melting point
114.9 °C
Boiling point
>200
Density
1.57 g/cm³ at 25 °C
Flash point
Not Applicable. Not flammable.
HS code
291899
Category
Herbicides
UN number
UN 3082
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Dicamba?

Plain description, key identifiers and synonyms

Dicamba is a methoxybenzoic acid that is O-methylsalicylic acid substituted by chloro groups at positions 3 and 6. It has a role as a herbicide, a synthetic auxin, an agrochemical, a xenobiotic and an environmental contaminant. It is a dichlorobenzene and a methoxybenzoic acid. It is a conjugate acid of a 3,6-dichloro-2-methoxybenzoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,6-dichloro-2-methoxybenzoic acid
CAS number
1918-00-9 CAS number cross-checkedOther or deprecated CAS: 62610-39-3, 89300-29-8
EC number
217-635-6
Molecular formula
C8H6Cl2O3
UNII
SJG3M6RY6H
MDL number
MFCD00055283
InChIKey
IWEDIXLBFLAXBO-UHFFFAOYSA-N
InChI
InChI=1S/C8H6Cl2O3/c1-13-7-5(10)3-2-4(9)6(7)8(11)12/h2-3H,1H3,(H,11,12)
SMILES (canonical and isomeric)
COC1=C(C=CC(=C1C(=O)O)Cl)Cl

Synonyms

  • 3,6-Dichloro-2-methoxybenzoic acid
  • Mdba
  • Banvel
  • Dianat
  • Mediben
  • 3,6-Dichloro-o-anisic acid
  • Banlen
  • Velsicol compound R
  • Brush buster
  • Banvel herbicide
  • Banvel CST
  • Banvel SGF
  • Compound B dicamba
  • Banvel II herbicide
  • Banvel 70WP
  • Banvel 480
  • Velsicol 58-CS-11
  • 2-Methoxy-3,6-dichlorobenzoic acid
  • 2,5-Dichloro-6-methoxybenzoic acid
  • Velsicol 58CS11
  • 3,6-Dichloor-2-methoxy-benzoeizuur
  • 3,6-Dichlor-3-methoxy-benzoesaeure
  • Kyselina 3,6-dichlor-2-methoxybenzoova
  • Acido (3,6-dicloro-2-metossi)-benzoico
  • Velsicol compound "R
Show all 32 synonyms
  • Benzoic acid, 3,6-dichloro-2-methoxy-
  • 3,6-dichloro-2-methoxy-benzoic acid
  • o-Anisic acid, 3,6-dichloro-
  • Aviator
  • Compound B [Velsicol]
  • Celebrity B
  • Mais Banvel WG

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Crystals from pentaneexp.
Odour
Odorless (reference grade)exp.
Melting point
114.9 °Cexp.
Boiling point
>200exp.
Density
1.57 g/cm³ at 25 °Cexp.
Flash point
Not Applicable. Not flammable.exp.
Autoignition temperature
Not Applicable. Not flammable.exp.
Solubility
In water, 8310 mg/L at 25 °Cexp.
Vapour pressure
3.75 × 10⁻³ mm Hg at 100 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
221.04 g/molcalc.
Exact mass
219.9694 Dacalc.
LogP (octanol/water)
2.7calc.
Topological polar surface area
46.53 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H318Causes serious eye damage.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H336May cause drowsiness or dizziness.
  • H400Very toxic to aquatic life.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (17)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3082

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dicamba suppliers

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All 145 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

145 suppliers in 15 countries

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Dicamba price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Growth regulating herbicide.

Control broadleaf weeds in asparagus, corn (field, silage, popcorn), grass seed crops, grain sorghum, noncropland, pastures, rangeland, reduced-tillage, fallow, small grains not underseeded to legumes, sugarcane, turf, between cropping, brush and vines in pastures, industrial areas, noncropland, rangeland, perennial broadleaf weeds with spot treatments and ropewick applications.

Use classes: Herbicides, Pesticides.

Pharmacological actions

  • Herbicides

Roles

  • agonist
  • agrochemical
  • auxin
  • environmental contaminant
  • growth regulator
  • herbicide
  • hormone
  • molecular messenger
  • pesticide
  • plant growth regulator
  • plant hormone
  • synthetic auxin
  • xenobiotic

Functional uses

  • Biocide

How it is made

Dicamba is produced by hydrolysis of 1,2,4-trichlorobenzene with sodium hydroxide, followed by carboxylation, esterification with methanol, methylation of the hydroxyl group, and hydrolysis of the ester to the acid.

Preparation: S. B. Richter, United States of America patent 3013054 (1961 to Velsicol)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-043-00-X

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dicamba is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Dicamba is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dicamba, based on the data on this page

What is Dicamba?

Dicamba is a methoxybenzoic acid that is O-methylsalicylic acid substituted by chloro groups at positions 3 and 6. It has a role as a herbicide, a synthetic auxin, an agrochemical, a xenobiotic and an environmental contaminant. It is a dichlorobenzene and a methoxybenzoic acid.

What is the CAS number of Dicamba?

The CAS registry number of Dicamba is 1918-00-9. Other or deprecated CAS numbers: 62610-39-3, 89300-29-8.

What is the molecular formula and weight of Dicamba?

The molecular formula of Dicamba is C8H6Cl2O3 and its molar mass is 221.04 g/mol.

What is Dicamba used for?

Growth regulating herbicide. Control broadleaf weeds in asparagus, corn (field, silage, popcorn), grass seed crops, grain sorghum, noncropland, pastures, rangeland, reduced-tillage, fallow, small grains not underseeded to legumes, sugarcane, turf, between cropping, brush and vines in pastures, industrial areas, noncro…

Is Dicamba hazardous?

Dicamba carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes serious eye damage, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dicamba?

Dicamba is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dicamba?

CompoundList lists 145 suppliers of Dicamba in Brazil, China, United States, India and 11 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Dicamba in India?

10 suppliers in India list Dicamba on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Dicamba?

Suppliers quote Dicamba on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Dicamba

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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