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CAS No 18691-97-9 , 1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea

  • Name: 1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea
  • Synonyms: Metabenzthiazuron;1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea; Caswell No. 081B;TRIBUNIL; 18691-97-9; Methbenzthiazuron; Bayer 5633; Methabenzthiazuron [BSI:ISO]; Preparation 5633;
  • CAS Registry Number:
  • Transport: UN 3077 9/PG 3
  • Boiling Point: °Cat760mmHg
  • Density: 1.327 g/cm3
  • Refractive index: 1.682
  • Safety Statements: R50/53-39/23/24/25-23/24/25-11,
  • Hazard Symbols: N,T,F:;
  • EINECS: 242-505-0
  • Molecular Weight: 221.27884
  • InchiKey: RRVIAQKBTUQODI-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H11N3OS/c1-11-9(14)13(2)10-12-7-5-3-4-6-8(7)15-10/h3-6H,
    1-2H3,(H,11,14)
  • Risk Statements: S60-61-45-16-7,
  • Molecular Formula: C10H11N3OS
  • Molecular Structure:CAS No:18691-97-9 1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea

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References of 1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea
Title: Methabenzthiazuron
CAS Registry Number: 18691-97-9
CAS Name: N-2-Benzothiazolyl-N,N￠-dimethylurea
Synonyms: 1-(2-benzothiazolyl)-1,3-dimethylurea; metabenzthiazuron; MBU
Manufacturers' Codes: Bayer 5633; Bayer 74283
Trademarks: Tribunil (Bayer)
Molecular Formula: C10H11N3OS
Molecular Weight: 221.28
Percent Composition: C 54.28%, H 5.01%, N 18.99%, O 7.23%, S 14.49%
Literature References: Derivative of urea. Prepn and use as pre-emergence herbicide: N. E. Searle, US 2756135 (1956 to du Pont). Use as pre- and post-emergence herbicide in wheat and barley: H. Hack et al., GB 1085430 (1967 to Bayer). Herbicidal properties: H. Hack, Pflanzenschutz-Nachr. 22, 331 (1969). Toxicity studies: G. Kimmerle, E. L?ser, ibid. 351. Use in winter cereals: D. C. Clark et al., Proc. 12th Brit. Weed Control Conf. 163 (1974). Mode of action: G. F. Collet, Weed Res. 9, 340 (1969). Long-term effect on soil: P. L. Huge, Pflanzenschutz-Nachr. 34, 97 (1981). Brief review: P. Lours, Def. Veg. 24, 91 (1970).
Properties: White crystals from benzene, mp 119-120.5°. Soly in water at 20°: 59 ppm. Sol in organic solvents. Vapor pressure at 20°: <10-6 mm Hg. LD50 in mice (mg/kg): >1000 orally; in male, female rats (mg/kg): >2500, >2500 orally; 540, 315 i.p. (Kimmerle, L?ser).
Melting point: mp 119-120.5°
Toxicity data: LD50 in mice (mg/kg): >1000 orally; in male, female rats (mg/kg): >2500, >2500 orally; 540, 315 i.p. (Kimmerle, L?ser)
Use: Selective herbicide.