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CAS No 314-40-9 , 5-bromo-3-butan-2-yl-6-methyl-1H-pyrimidine-2,4-dione

  • Name: 5-bromo-3-butan-2-yl-6-methyl-1H-pyrimidine-2,4-dione
  • Synonyms: Bromazil; Istemul; Hyvar X; Cynogan;5-bromo-3-butan-2-yl-6-methyl-1H-pyrimidine-2,4-dione; Borocil; Ureabor; Uragan; Hyvarex; 5-Bromo-3-sec-butyl-6-methyluracil;
  • CAS Registry Number:
  • Transport: UN3077 9/PG 3
  • Melting Point: 157-160 ºC
  • Boiling Point: 411
  • Density: 1.55
  • Refractive index: 1.541
  • Water Solubility: Stability Stable.
  • Safety Statements: 26-61
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • EINECS: 206-245-1
  • Molecular Weight: 261.11572
  • InchiKey: CTSLUCNDVMMDHG-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H13BrN2O2/c1-4-5(2)12-8(13)7(10)6(3)11-9(12)14/h5H,4H2,1-3H3,
    (H,11,14)
  • Risk Statements: 22-36/37/38-50-36
  • Molecular Formula: C9H13BrN2O2
  • Molecular Structure:CAS No:314-40-9 5-bromo-3-butan-2-yl-6-methyl-1H-pyrimidine-2,4-dione

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References of 5-bromo-3-butan-2-yl-6-methyl-1H-pyrimidine-2,4-dione
Title: Bromacil
CAS Registry Number: 314-40-9
CAS Name: 5-Bromo-6-methyl-3-(1-methylpropyl)-2,4(1H,3H)-pyrimidinedione
Synonyms: 5-bromo-3-sec-butyl-6-methyluracil; 5-bromo-6-methyl-3-(1-methylpropyl)uracil
Manufacturers' Codes: Du Pont Herbicide 976
Trademarks: Hyvar (DuPont); Uragon (Makhteshim-Agan); Urox B (Hopkins)
Molecular Formula: C9H13BrN2O2
Molecular Weight: 261.12
Percent Composition: C 41.40%, H 5.02%, Br 30.60%, N 10.73%, O 12.25%
Literature References: Prepn: H. M. Loux, US 3235357 (1966 to du Pont). Mode of action: C. E. Hoffman, Pestic. Chem., Proc. 2nd Int. Congr. Pestic. 5, A. S. Tahori, Ed, (Gordon and Breach Science Publishers, New York, 1972) pp 65-85. Toxicology: H. Sherman, A. M. Kaplan, Toxicol. Appl. Pharmacol. 34, 189 (1975). Review: Pease, Deye, Anal. Methods Pestic. Plant Growth Regul. Food Addit. 5, 335 (1967).
Properties: White crystalline solid, mp 157.5-160°. Vapor pressure at 100°: 8 ′ 10-4 mm Hg. Soly in water at 20°: 815 mg/l. Moderately sol in strong aq bases, acetone, acetonitrile, ethanol. LD50 orally in rats: 5200 mg/kg (Sherman, Kaplan).
Melting point: mp 157.5-160°
Toxicity data: LD50 orally in rats: 5200 mg/kg (Sherman, Kaplan)
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin and upper respiratory system. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 32.
Use: Herbicide.