Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Atrazine [ANSI:BSI:ISO]
RN: 1912-24-9
UNII: QJA9M5H4IM
InChIKey: MXWJVTOOROXGIU-UHFFFAOYSA-N

Note

  • A selective triazine herbicide. Inhalation hazard is low and there are no apparent skin manifestations or other toxicity in humans. Acutely poisoned sheep and cattle may show muscular spasms, fasciculations, stiff gait, increased respiratory rates, adrenal degeneration, and congestion of the lungs, liver, and kidneys. (From The Merck Index, 11th ed)

Molecular Formula

  • C8-H14-Cl-N5

Molecular Weight

  • 215.6866
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Herbicides
  • Mutation Data
  • Pesticides
  • Reproductive Effect
  • Skin / Eye Irritant
  • Tumor Data

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 3
  • TWA 5 mg/m3; Not classifiable as a human carcinogen

Names and Synonyms

Results Name

  • Atrazine [ANSI:BSI:ISO]

Name of Substance

  • Atrazine
  • Atrazine [ANSI:BSI:ISO]

MeSH Heading

  • Atrazine

Synonyms

  • 1,3,5-Triazine-2,4-diamine, 6-chloro-N-ethyl-N'-(1-methylethyl)- (9CI)
  • 1-Chloro-3-ethylamino-5-isopropylamino-2,4,6-triazine
  • 1-Chloro-3-ethylamino-5-isopropylamino-s-triazine
  • 2-Aethylamino-4-chlor-6-isopropylamino-1,3,5-triazin
  • 2-Aethylamino-4-chlor-6-isopropylamino-1,3,5-triazin [German]
  • 2-Aethylamino-4-isopropylamino-6-chlor-1,3,5-triazin
  • 2-Aethylamino-4-isopropylamino-6-chlor-1,3,5-triazin [German]
  • 2-Chloro-4-(2-propylamino)-6-ethylamino-s-triazine
  • 2-Chloro-4-ethylamineisopropylamine-s-triazine
  • 2-Chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine
  • 2-Chloro-4-ethylamino-6-isopropylamino-s-triazine
  • 2-Ethylamino-4-isopropylamino-6-chloro-s-triazine
  • 6-Chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine
  • 6-Chloro-N2-ethyl-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • A 361
  • Aatram
  • Aatram 20G
  • Aatrex
  • Aatrex 4L
  • Aatrex 80W
  • Aatrex nine-O
  • Actinite PK
  • AI3-28244
  • Akticon
  • Aktikon
  • Aktikon PK
  • Aktinit A
  • Aktinit PK
  • Aneldazin
  • Argezin
  • Atazinax
  • Atranex
  • Atrasine
  • Atrataf
  • Atratol
  • Atratol A
  • Atrazin
  • Atrazine
  • Atred
  • Atrex
  • Azoprim
  • BRN 0612020
  • Candex
  • Caswell No. 063
  • CCRIS 1025
  • Ceasin 50
  • Cekuzina-T
  • Chromozin
  • Crisatrina
  • Crisazine
  • Cyazin
  • EC 217-617-8
  • EINECS 217-617-8
  • EPA Pesticide Chemical Code 080803
  • Farmco atrazine
  • Fenamin
  • Fenamine
  • Fenatrol
  • G 30027
  • Geigy 30,027
  • Gesaprim
  • Gesaprim 50
  • Gesaprin
  • Gesoprim
  • Griffex
  • Herbatoxol
  • HSDB 413
  • Hungazin
  • Hungazin (VAN)
  • Hungazin PK
  • Inakor
  • NSC 163046
  • Oleogesaprim
  • Pitezin
  • Primatol
  • Primatol A
  • Primaze
  • Radazin
  • Radizin
  • s-Triazine, 2-chloro-4-ethylamino-6-isopropylamino-
  • Shell atrazine herbicide
  • Strazine
  • Triazine A 1294
  • UNII-QJA9M5H4IM
  • Vectal
  • Vectal SC
  • Weedex A
  • Wonuk
  • Zeapos
  • Zeazin
  • Zeazine
  • Zeopos

Systematic Names

  • 1,3,5-Triazine-2,4-diamine, 6-chloro-N-ethyl-N'-(1-methylethyl)-
  • 1,3,5-Triazine-2,4-diamine, 6-chloro-N2-ethyl-N4-(1-methylethyl)-
  • Atrazine
  • s-Triazine, 2-chloro-4-ethylamino-6-isopropylamino-

Superlist Names

  • 1,3,5-Triazine-2,4-diamine, 6-chloro-N-ethyl-N'-(1-methylethyl)-
  • 6-Chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine
  • Atrazine
  • s-Triazine, 2-chloro-4-(ethylamino)-6-(isopropylamino)-

Registry Numbers

CAS Registry Number

  • 1912-24-9

FDA UNII

  • QJA9M5H4IM

Other Registry Numbers

  • 11121-31-6
  • 12040-45-8
  • 12797-72-7
  • 39400-72-1
  • 69771-31-9
  • 93616-39-8

System Generated Number

  • 0001912249

Structure Descriptors

InChI

1S/C8H14ClN5/c1-4-10-7-12-6(9)13-8(14-7)11-5(2)3/h5H,4H2,1-3H3,(H2,10,11,12,13,14)

InChIKey

MXWJVTOOROXGIU-UHFFFAOYSA-N

Smiles

CCNc1nc(nc(n1)Cl)NC(C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
hamster LD50 oral 1gm/kg (1000mg/kg)   Toxicology and Applied Pharmacology. Vol. 48, Pg. A192, 1979.
mammal (species unspecified) LD50 unreported 1400mg/kg (1400mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 44(6), Pg. 81, 1979.
mouse LD50 intraperitoneal 626mg/kg (626mg/kg)   Proceedings of the European Society of Toxicology. Vol. 17, Pg. 351, 1976.
mouse LD50 oral 850mg/kg (850mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 36, 1982.
rabbit LD50 oral 750mg/kg (750mg/kg)   "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
rabbit LD50 skin 7500mg/kg (7500mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 15, 1976.
rat LC50 inhalation 5200mg/m3/4H (5200mg/m3)   Farm Chemicals Handbook. Vol. -, Pg. C29, 1991.
rat LD50 intraperitoneal 235mg/kg (235mg/kg)   Proceedings of the European Society of Toxicology. Vol. 17, Pg. 351, 1976.
rat LD50 oral 672mg/kg (672mg/kg)   Fundamental and Applied Toxicology. Vol. 7, Pg. 299, 1986.
rat LD50 skin > 12500mg/kg (12500mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 55(7), Pg. 87, 1990.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 173 deg C   EXP
pKa Dissociation Constant 1.7 (none)   EXP
log P (octanol-water) 2.61 (none)   EXP
Water Solubility 34.7 mg/L 26 EXP
Vapor Pressure 2.89E-07 mm Hg 25 EXP
Henry's Law Constant 2.36E-09 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.73E-11 cm3/molecule-sec 25 EST

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