Picloram

Synonyms

Tordon; 2-Pyridine carboxylic acid, 4-amino-3,5,6-trichloro-; 2-Pyridinecarboxylic acid, 4-amino-3,5,6-trichloro-; 3,5,6-Trichloro-4-aminopicolinic acid; 4-Amino-3,5,6-trichloro-2-picolinic acid; 4-Amino-3,5,6-trichloro-2-pyridinecarboxylic acid (9CI); 4-Amino-3,5,6-trichloropicolinic acid; 4-Amino-3,5,6-trichlorpicolinsaeure [German]; 4-Aminotrichloropicolinic acid; Amdon; Amdon grazon; Borolin; Grazon; K-Pin; Piclorame [ISO-French]; Tordon; Tordon 101 mixture; Tordon 10K; Tordon 22K; k-Pin; [ChemIDplus]

Category

Herbicides, Other

Description

Colorless to white crystals with a chlorine-like odor. [herbicide]; [NIOSH]

Sources/Uses

Used to control woody plants and broad-leaved weeds in range management programs; [EXTOXNET]

Comments

Classified as "slightly toxic," all formulations except Tordon RTU and Pathway may be used only by a certified applicator. There are no reports of human toxicity other than skin and respiratory irritation. [EXTOXNET] The following herbicides have an oral LD50 of >1 gm/kg and have little or no acute toxicity in humans: Alachlor, Amitrole, Ammonium sulfamate, Atrazine, Dalapon, Dicamba, Glyphosphate, Monuron, Oryzalin, Picloram, Propanil, Simazine, etc. [LaDou, p. 613]

Reference Link #1

Biomedical References

Insufficient data

10 mg/m3

15 mg/m3(total dust), 5 mg/m3(respirable fraction)

6E-16 mm Hg

Explanatory Notes

VP from HSDB;

Reference Link #2

Not classifiable

Not Classifiable

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)