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CAS No 51707-55-2 , 1-phenyl-3-(thiadiazol-5-yl)urea

  • Name: 1-phenyl-3-(thiadiazol-5-yl)urea
  • Synonyms: Dropp;Defolit; Caswell No. 659A; N-Phenyl-N'-1,2,3-thiadiazol-5-ylurea; 1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea; SN 49537; 51707-55-2;1-phenyl-3-(thiadiazol-5-yl)urea;
  • CAS Registry Number:
  • Melting Point: 213 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.51 g/cm3
  • Refractive index: 1.754
  • Safety Statements: Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and NOx.
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: °C
  • EINECS: 257-356-7
  • Molecular Weight: 220.25102
  • InchiKey: HFCYZXMHUIHAQI-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H8N4OS/c14-9(12-8-6-10-13-15-8)11-7-4-2-1-3-5-7/h1-6H,(H2,11,
    12,14)
  • Risk Statements: 36/37/38
  • Molecular Formula: C9H8N4OS
  • Molecular Structure:CAS No:51707-55-2 1-phenyl-3-(thiadiazol-5-yl)urea

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References of 1-phenyl-3-(thiadiazol-5-yl)urea
Title: Thidiazuron
CAS Registry Number: 51707-55-2
CAS Name: N-Phenyl-N￠-1,2,3-thiadiazol-5-ylurea
Synonyms: 5-(N-phenylcarbamoylamino)-1,2,3-thiadiazole; thiadiazuron; TDZ
Manufacturers' Codes: SN-49537
Trademarks: Dropp (Bayer CropSci.); Ginstar (Bayer CropSci.)
Molecular Formula: C9H8N4OS
Molecular Weight: 220.25
Percent Composition: C 49.08%, H 3.66%, N 25.44%, O 7.26%, S 14.56%
Literature References: Non-purine containing urea derivative with cytokinin activity. Prepn: H. Schulz, F. Arndt, DE 2214632; eidem, US 3883547 (1973, 1975 both to Schering AG). Field trial in cotton: A. R. Hopkins, R. F. Moore, J. Econ. Entomol. 73, 768 (1980). Effect of temperature and adjuvants on activity in cotton: C. E. Snipes, G. D. Wills, Weed Sci. 42, 13 (1994). Review of effect on shoot formation and axillary shoot proliferation: C.-Y. Lu, In Vitro Cell. Dev. Biol. 29P, 92-96 (1993); on woody plant tissue culture: C. A. Huetteman, J. E. Preece, Plant Cell Tissue Organ Cult. 33, 105-119 (1993).
Properties: Crystals from isopropanol, mp 217° (dec). Very sol in DMSO, DMF, acetone, cyclohexanone, isophorone. Slightly sol in aliphatic and aromatic hydrocarbons and water.
Melting point: mp 217° (dec)
Use: Cotton defoliant; plant growth regulator in tissue culture.