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CAS No 23947-60-6 , 5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one

  • Name: 5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one
  • Synonyms: Caswell No. 128H; Milgo E; Ethyrimol; New milstem; Milstem seed dressing; MILSTEM; Ethrimiol;5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one;Ethirimal; Milgo;
  • CAS Registry Number:
  • Density: 1.1
  • Refractive index: 1.545
  • Safety Statements: R21
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 245-949-3
  • Molecular Weight: 209.28806
  • InchiKey: BBXXLROWFHWFQY-UHFFFAOYSA-N
  • InChI: InChI=1S/C11H19N3O/c1-4-6-7-9-8(3)13-11(12-5-2)14-10(9)15/h4-7H2,1-3H3,
    (H2,12,13,14,15)
  • Risk Statements: S36/37
  • Molecular Formula: C11H19N3O
  • Molecular Structure:CAS No:23947-60-6 5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one

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References of 5-butyl-2-(ethylamino)-6-methyl-1H-pyrimidin-4-one
Title: Ethirimol
CAS Registry Number: 23947-60-6
CAS Name: 5-Butyl-2-(ethylamino)-6-methyl-4(1H)-pyrimidinone
Synonyms: 2-ethylamino-4-methyl-5-n-butyl-6-hydroxypyrimidine
Manufacturers' Codes: PP-149
Trademarks: Milstem (Zeneca); Milgo (Zeneca); Milcurb Super (Zeneca)
Molecular Formula: C11H19N3O
Molecular Weight: 209.29
Percent Composition: C 63.13%, H 9.15%, N 20.08%, O 7.64%
Literature References: Prepn: B. K. Snell et al., ZA 6701373; eidem, US 3980781 (1968, 1976 both to ICI). Systemic fungicidal activity: R. M. Bebbington, Chem. Ind. (London) 1969, 1512; K. J. Bent, Ann. Appl. Biol. 66, 103 (1970). Metabolism and mode of action: A. Calderbank, Acta Phytopathol. 6, 355 (1971).
Properties: Crystalline solid, mp 159-160°. Vapor pressure at 25°: 2 ′ 10-6 mm Hg. Soly in water at 25°: 200 mg/l. Sol in chloroform, trichloroethylene, aq solns of strong acids and bases. Slightly sol in ethanol; sparingly sol in acetone. LD50 orally in rats: 4000 mg/kg (Bebbington).
Melting point: mp 159-160°
Toxicity data: LD50 orally in rats: 4000 mg/kg (Bebbington)
Use: Fungicide.