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CAS No 101-42-8 , 1,1-dimethyl-3-phenylurea Search by region : Norway

  • Name: 1,1-dimethyl-3-phenylurea
  • Synonyms: Fenidin; N,N-Dimethyl-N'-phenylurea; Quintex; Dibar; N,N-dimethyl-N'-phenyl-; Dybar;1,1-dimethyl-3-phenylurea; Electrum;1,1-Dimethyl-3-phenylurea; Urea; Falisilvan;
  • CAS Registry Number:
  • Transport: UN 1648 3/PG 2
  • Flash Point: 153.3°C
  • Boiling Point: 329.8°Cat760mmHg
  • Density: 1.122g/cm3
  • Safety Statements: Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
  • Hazard Symbols: Xi,Xn,F
  • Flash Point: 153.3°C
  • EINECS: 202-941-4
  • Molecular Weight: 164.20438
  • InchiKey: XXOYNJXVWVNOOJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H12N2O/c1-11(2)9(12)10-8-6-4-3-5-7-8/h3-7H,1-2H3,(H,10,12)
  • Risk Statements: 36/37-36-20/21/22-11
  • Molecular Formula: C9H12N2O
  • Molecular Structure:CAS No:101-42-8 1,1-dimethyl-3-phenylurea

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101-42-8 FENURON

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References of 1,1-dimethyl-3-phenylurea
Title: Fenuron
CAS Registry Number: 101-42-8
CAS Name: N,N-Dimethyl-N-phenylurea
Synonyms: N-phenyl-N￠,N￠-dimethylurea
Trademarks: Dybar (DuPont)
Molecular Formula: C9H12N2O
Molecular Weight: 164.20
Percent Composition: C 65.83%, H 7.37%, N 17.06%, O 9.74%
Line Formula: C6H5NHCON(CH3)2
Literature References: Prepn: Crosby, Niemann, J. Am. Chem. Soc. 76, 4458 (1954); Gilbert, Sorma, US 2729677 (1956 to Allied Chem.); Jones, US 2768971 (1956 to ICI); Applegath et al., US 2857430 (1958 to Monsanto). Prepn of trichloroacetate: Gilbert et al., US 2782112 (1957 to Allied Chem.). Toxicity data: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals, mp 131-133°. Sparingly sol in water (0.29% at 24°); in hydrocarbons. LD50 orally in rats: 7500 mg/kg (Bailey, White).
Melting point: mp 131-133°
Toxicity data: LD50 orally in rats: 7500 mg/kg (Bailey, White)
 
Derivative Type: Trichloroacetate
Synonyms: Fenuron TCA
Trademarks: Urab (Hopkins)
Molecular Formula: C10H14Cl3N2O3
Molecular Weight: 316.59
Percent Composition: C 37.94%, H 4.46%, Cl 33.60%, N 8.85%, O 15.16%
Properties: mp 65-68°. Esp effective in woody plant control.
Melting point: mp 65-68°
 
CAUTION: If hydrolyzed to aniline can cause methemoglobinemia: Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section II, p 331.
Use: Herbicide.