C6H3Cl2NO2
192 g/mol
AgrochemicalDanger
3,6-Dichloropyridine-2-carboxylic acid
CAS1702-17-6EC216-935-4
Category
Agrochemical
Compound Class
Organic Acid
Primary Use
selective herbicide for broadleaf weeds
3,6-Dichloropyridine-2-carboxylic acid, commonly known as clopyralid, is a selective herbicide used for controlling broadleaf weeds. It is particularly effective against thistles and clovers, including creeping thistle, a noxious perennial weed, and is one of the few effective herbicides available for this purpose.
control of broadleaf weedsmanagement of thistles and clovers
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
H318Causes serious eye damage
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3,6-Dichloropyridine-2-carboxylic acid (CAS 1702-17-6) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 25
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
3,6-dichloropyridine-2-carboxylic acid
InChIKey
HUBANNPOLNYSAD-UHFFFAOYSA-N
SMILES
C1=CC(=NC(=C1Cl)C(=O)O)Cl
Synonyms (37)
- 3,6-DCP
- 3,6-Dichloropicolinic acid
- Acide 3,6-dichloropicolinique
- Benzalox
- Campaign
- Caswell No. 323H
- Cirtoxin
- Cliophar
- Clopiralid
- Clopyralid (Standard)
- Clopyralid, PESTANAL(R)
- Clopyralide
- Crusader S
- Cyronal
- Dowco 290
- Format
- Huiloralid
- Loncid
- Lontrel 100
- Lontrel 3
- Lontrel 300
- Lontrel L
- Lontrel SF 100
- Matrigon
- Picolinic acid, 3,6-dichloro-
- Versatill
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