C12H12N22
184.24 g/mol
AgrochemicalDanger
DIQUAT
CAS2764-72-9EC220-433-0
Category
Agrochemical
Compound Class
Heterocycle
Primary Use
Contact herbicide and defoliant
Diquat is an organic dication used as a contact herbicide and desiccant, typically formulated as a salt with bromide or chloride counterions. It acts by disrupting plant cell membranes, leading to rapid desiccation and defoliation of treated foliage.
Contact herbicide for desiccation and defoliationPre-harvest defoliant in crops such as potatoes and cotton
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Reading
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H330Fatal if inhaled
H335May cause respiratory irritation
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for DIQUAT (CAS 2764-72-9) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
7,10-diazoniatricyclo[8.4.0.02,7]tetradeca-1(14),2,4,6,10,12-hexaene
InChIKey
SYJFEGQWDCRVNX-UHFFFAOYSA-N
SMILES
C1C[N+]2=CC=CC=C2C3=CC=CC=[N+]31
Synonyms (12)
- DIQUAT
- Diquat dication
- Diquat ion
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