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CAS No 25057-89-0 , 2,2-dioxo-3-propan-2-yl-1H-2λ

  • Name: 2,2-dioxo-3-propan-2-yl-1H-2λ
  • Synonyms: bentazon; Pentazone; Leader; Laddok;2,2-dioxo-3-propan-2-yl-1H-2λ Bendioxide; Pledge; Basagran; Basagran 480;6,1,3-benzothiadiazin-4-one; 25057-89-0;
  • CAS Registry Number:
  • Transport: UN 1648
  • Melting Point: 137-139 ºC
  • Density: 1.345 g/cm3
  • Refractive index: 1.582
  • Safety Statements: R22;R36;R43;R52/53
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 246-585-8
  • Molecular Weight: 240.27888
  • InchiKey: ZOMSMJKLGFBRBS-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H12N2O3S/c1-7(2)12-10(13)8-5-3-4-6-9(8)11-16(12,14)15/h3-7,
    11H,1-2H3
  • Risk Statements: S2;S24;S37;S61
  • Molecular Formula: C10H12N2O3S
  • Molecular Structure:CAS No:25057-89-0 2,2-dioxo-3-propan-2-yl-1H-2λ

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25057-89-0 3-Isopropyl-1H-2,1,3-Benzothiadiazine-4(3H)-One-2,...

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References of 2,2-dioxo-3-propan-2-yl-1H-2λ
Title: Bentazon
CAS Registry Number: 25057-89-0
CAS Name: 3-(1-Methylethyl)-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
Synonyms: 3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide; bentazone; bendioxide
Trademarks: Basagran (BASF)
Molecular Formula: C10H12N2O3S
Molecular Weight: 240.28
Percent Composition: C 49.99%, H 5.03%, N 11.66%, O 19.98%, S 13.34%
Literature References: Selective post-emergence herbicide. Prepn: A. Zeidler et al., ZA 6705164; eidem, US 3708277 (1968, 1973 both to BASF). Weed control: C. E. G. Mulder, G. B. Wortmann, Proc. 3rd Natl. Weeds Conf. S. Afr. 1980, 159. HPLC determn in sugar maize and surface water: E. A. Hogendoorn, C. E. Goewie, J. Chromatogr. 475, 432 (1989); in soil: F. S. Rasero et al., Sci. Total Environ. 123/124, 57 (1992). Stability in ground, surface, soil waters: C. Mouvet et al., Chemosphere 35, 1083 (1997). Toxicity data: G. Ugazio et al., Res. Commun. Chem. Pathol. Pharmacol. 74, 349 (1991). Review of synthesis: G. Hamprecht et al., Kem. - Kemi 1, 590-592 (1974); of environmental behavior: R. Huber, S. Otto, Rev. Environ. Contam. Toxicol. 137, 111-134 (1994).
Properties: White crystalline powder, mp 137-139°. Soly (w/w) at 20°: water 0.05%; acetone 150.7%; benzene 3.3%; chloroform 18%; ethanol 86.1%. pKa (24°): 3.3. Vapor pressure at 20°: 1.7 ′ 10-6 hPa. Log P (octanol/water) at 22°: -0.456 (pH 7). LD50 in male, female rats (mg/kg): 383.2, 433.6 orally (Ugazio).
Melting point: mp 137-139°
pKa: pKa (24°): 3.3
Log P: Log P (octanol/water) at 22°: -0.456 (pH 7)
Toxicity data: LD50 in male, female rats (mg/kg): 383.2, 433.6 orally (Ugazio)
Use: Herbicide.