麦草畏

Description

DICAMBA · CAS 89300-29-8 · C8H6Cl2O3. UNII SJG3M6RY6H. Boiling Point: > 200 °C; Melting Point: 114.9 °C; Melting Point: MP: 114-116 °C.

Identification

CAS Registry Number	89300-29-8
PubChem CID	3030
Molecular formula	C8H6Cl2O3
IUPAC name	3,6-dichloro-2-methoxybenzoic acid
UNII (FDA)	SJG3M6RY6H

Computed Descriptors

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
Formal Charge	0

Physical & Chemical Properties

Boiling Point	> 200 °C
Melting Point	114.9 °C
Melting Point	MP: 114-116 °C
Melting Point	114-116 °C
Solubility	In water, 8310 mg/L at 25 °C
Density	1.57 g/cu cm at 25 °C
Vapor Pressure	0.0000338 [mmHg]
Vapor Pressure	VP: 4.5 mPa at 25 °C
Vapor Pressure	1.25X10-5 mm Hg at 25 °C
LogP	log Kow = 2.21

Physical description & handling notes

• Crystalline solid; [EXTOXNET]
• COLOURLESS CRYSTALS.
• Crystals from pentane
• White granular solid; technical is a tight cream to tan solid
• Crystalline solid, white (reference grade) or brown (technical grade)
• Odorless (reference grade)

GHS Hazard Classification

Reported hazard statements	H302, H318, H332, H335, H336, H400, H411, H410 (24.8%)

Documented Uses

• Used as a herbicide applied to leaves or soil to control broadleaf weeds; [EXTOXNET]
• 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.
• Dicamba is an herbicide. Dicamba controls annual and perennial rose weeds in grain crops and highlands, and it is used to control brush and bracken in pastures, as well as legumes and cacti. (L371)
• Information on 21 consumer products that contain 3,6-Dichloro-o-anisic acid (Dicambra) in the following categories is provided:
• 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)

Synonyms

dicamba; 3,6-Dichloro-2-methoxybenzoic acid; 1918-00-9; 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

Frequently Asked Questions

What are the CAS number and molecular formula of DICAMBA?

CAS 89300-29-8; molecular formula C8H6Cl2O3; molecular weight — g/mol.

What other names is DICAMBA known by?

dicamba, 3,6-Dichloro-2-methoxybenzoic acid, 1918-00-9, Mdba, Banvel, Dianat.

Is DICAMBA classified as hazardous?

Hazard statements reported: H302, H318, H332, H335, H336.

What are the key physical properties of DICAMBA?

Boiling Point: > 200 °C; Melting Point: 114.9 °C; Melting Point: MP: 114-116 °C; Melting Point: 114-116 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.