C6H3Cl3N2O2
241.5 g/mol
AgrochemicalWarning
4-Amino-3,5,6-trichloropyridine-2-carboxylic acid
CAS1918-02-1EC217-636-1
Category
Agrochemical
Compound Class
Heterocycle
Primary Use
Herbicide for broadleaf weeds and woody plants
Picloram is a herbicide used to control broadleaf weeds and woody plants. It appears as beige crystals or white powder with a chlorine odor.
Control of woody plants and broad-leaved weeds in range managementBrush control along utility rights-of-way and forest sitesWeed control in pastures, rangeland, and small grains
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 Compounds
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analytical reference standard
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selective herbicide for broadleaf weeds
ReferenceSame Category
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Herbicide
ReferenceSame Category
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nitrification inhibitor and bactericide
Related Reading
Safety Reference
Warning
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H303May be harmful if swallowed
H316Causes mild skin irritation
Customs Tariff Classification
The international HS code for 4-Amino-3,5,6-trichloropyridine-2-carboxylic acid (CAS 1918-02-1) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
4-amino-3,5,6-trichloropyridine-2-carboxylic acid
InChIKey
NQQVFXUMIDALNH-UHFFFAOYSA-N
SMILES
C1(=C(C(=NC(=C1Cl)Cl)C(=O)O)Cl)N
Synonyms (42)
- ATCP
- WOM
- Access
- Amdon
- Amdon grazon
- Borolin
- Chloramp
- Chloramp (Salt/Mix)
- Grazon
- K-Pin
- Pathway
- Picloram
- Picloram (Standard)
- Picloram, PESTANAL(R)
- Piclorame
- Piclorame [ISO-French]
- Picolinic acid,5,6-trichloro-
- Tordon
- Tordon 10K
- Tordon 22K
- picloram acid
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