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Substance Name: Picloram [ANSI:BSI:ISO]
RN: 1918-02-1
UNII: O7437X49DW
InChIKey: NQQVFXUMIDALNH-UHFFFAOYSA-N

Note

  • A picolinic acid derivative that is used as a herbicide.

Molecular Formula

  • C6-H3-Cl3-N2-O2

Molecular Weight

  • 241.4607
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Herbicides
  • Mutation Data
  • Pesticides
  • Reproductive Effect
  • Tumor Data

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 3
  • TWA (15 mg/m3 total dust; 5 mg/m3 respirable fraction)
  • TWA 10 mg/m3; Not classifiable as a human carcinogen

Names and Synonyms

Results Name

  • Picloram [ANSI:BSI:ISO]

Name of Substance

  • Picloram
  • Picloram [ANSI:BSI:ISO]

MeSH Heading

  • Picloram

Synonyms

  • 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
  • 4-Amino-3,5,6-trichlorpicolinsaeure [German]
  • 4-Aminotrichloropicolinic acid
  • 5-22-13-00585 (Beilstein Handbook Reference)
  • Amdon
  • Amdon grazon
  • Borolin
  • BRN 0479075
  • Caswell No. 039
  • CCRIS 520
  • EINECS 217-636-1
  • EPA Pesticide Chemical Code 005101
  • Grazon
  • HSDB 1151
  • K-PIN
  • NCI-C00237
  • NSC 233899
  • Picloram
  • Piclorame
  • Piclorame [ISO-French]
  • Tordon
  • Tordon 101 mixture
  • Tordon 10K
  • Tordon 22K
  • UNII-O7437X49DW

Systematic Names

  • 2-Pyridinecarboxylic acid, 4-amino-3,5,6-trichloro-
  • 4-Amino-3,5,6-trichloropyridine-2-carboxylic acid
  • Picloram
  • Picolinic acid, 4-amino-3,5,6-trichloro-

Superlist Names

  • 2-Pyridinecarboxylic acid, 4-amino-3,5,6-trichloro-
  • Picloram
  • Picolinic acid, 4-amino-3,5,6-trichloro-

Registry Numbers

CAS Registry Number

  • 1918-02-1

FDA UNII

  • O7437X49DW

System Generated Number

  • 0001918021

Structure Descriptors

InChI

1S/C6H3Cl3N2O2/c7-1-3(10)2(8)5(9)11-4(1)6(12)13/h(H2,10,11)(H,12,13)

InChIKey

NQQVFXUMIDALNH-UHFFFAOYSA-N

Smiles

c1(c(c(c(Cl)c(n1)Cl)N)Cl)C(O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
duck LD50 oral > 2gm/kg (2000mg/kg)   Down to Earth. Vol. 35, Pg. 25, 1979.
rabbit LD50 oral 2gm/kg (2000mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 414, 1973.
rabbit LD50 skin > 4gm/kg (4000mg/kg)   World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat LD50 oral 8200mg/kg (8200mg/kg)   Down to Earth. Vol. 35, Pg. 25, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 218.5 deg C   EXP
pKa Dissociation Constant 2.3 (none) 22 EXP
log P (octanol-water) 0.3 (none)   EXP
Water Solubility 430 mg/L 25 EXP
Vapor Pressure 7.21E-11 mm Hg 20 EXP
Henry's Law Constant 5.33E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.54E-13 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.