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Substance Name: Isouron [ANSI:BSI:ISO]
RN: 55861-78-4
UNII: EBG244KQOD
InChIKey: JLLJHQLUZAKJFH-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Reproductive Effect

Molecular Formula

  • C10-H17-N3-O2

Molecular Weight

  • 211.263
 
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Names and Synonyms

Name of Substance

  • Isouron [ANSI:BSI:ISO]

Synonyms

  • 3-(5-tert-Butylisoxazol-3-yl)-1,1-dimethylurea
  • BRN 1078336
  • Caswell No. 419E
  • EL-187
  • EPA Pesticide Chemical Code 125801
  • Isouron
  • N'-(5-(1,1-Dimethylethyl)-3-isoxazolyl)-N,N-dimethylurea
  • N,N-Dimethyl-N'-(5-(1,1-dimethylethyl)-3-isoxazolyl)urea
  • SSH 43
  • UNII-EBG244KQOD
  • Urea, N'-(5-(1,1-dimethylethyl)-3-isoxazolyl)-N,N-dimethyl- (9CI)

Systematic Names

  • Urea, N'-(5-(1,1-dimethylethyl)-3-isoxazolyl)-N,N-dimethyl-
  • Urea, N,N-dimethyl-N'-(5-(1,1-dimethylethyl)-3-isoxazolyl)-

Registry Numbers

CAS Registry Number

  • 55861-78-4

FDA UNII

  • EBG244KQOD

System Generated Number

  • 0055861784

Structure Descriptors

InChI

1S/C10H17N3O2/c1-10(2,3)7-6-8(12-15-7)11-9(14)13(4)5/h6H,1-5H3,(H,11,12,14)

InChIKey

JLLJHQLUZAKJFH-UHFFFAOYSA-N

Smiles

C(c1cc(NC(N(C)C)=O)no1)(C)(C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 390mg/kg (390mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.
mouse LD50 oral 456mg/kg (456mg/kg) BEHAVIORAL: COMA

BEHAVIORAL: ATAXIA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
National Technical Information Service. Vol. OTS0545040,
mouse LD50 subcutaneous 550mg/kg (550mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.
quail LDLo oral 2gm/kg (2000mg/kg) BEHAVIORAL: ATAXIA

MUSCULOSKELETAL: OTHER CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
National Technical Information Service. Vol. OTS0545166,
rat LC50 inhalation > 415mg/m3/8H (415mg/m3) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.
rat LD50 intraperitoneal 270mg/kg (270mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.
rat LD50 oral 630mg/kg (630mg/kg)   Pesticide Manual. Vol. 9, Pg. 509, 1991.
rat LD50 skin > 5gm/kg (5000mg/kg) GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.
rat LD50 subcutaneous 510mg/kg (510mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 11, Pg. 131, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 119.5 deg C   EXP
log P (octanol-water) 1.98 (none)   EXP
Water Solubility 790 mg/L 25 EXP
Vapor Pressure 3.83E-07 mm Hg 25 EXP
Henry's Law Constant 1.35E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.03E-10 cm3/molecule-sec 25 EST

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