Home > Name List By 1 > 1H-indole-2,3-dione

CAS No 91-56-5 , 1H-indole-2,3-dione

  • Name: 1H-indole-2,3-dione
  • Synonyms: 2,3-Indolinedione; 2,3-Dioxoindoline; Isatine; INDOLE-2,3-DIONE; Pseudoisatin;1H-indole-2,3-dione;1H-Indole-2,3-dione; 2,3-Diketoindoline; 91-56-5;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 193-195 ºC
  • Flash Point: 220 ºC
  • Density: 1.367 g/cm3
  • Refractive index: 1.661
  • Safety Statements: Poison by ingestion. Moderately toxic by intraperitoneal route. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx. See also ANHYDRIDES.
  • Hazard Symbols: not regulated UN NO.
  • HS Code: 29337900
  • Flash Point: 220 ºC
  • EINECS: 202-077-8
  • Molecular Weight: 147.1308
  • InchiKey: JXDYKVIHCLTXOP-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H5NO2/c10-7-5-3-1-2-4-6(5)9-8(7)11/h1-4H,(H,9,10,11)
  • Risk Statements: S24/25
  • Molecular Formula: C8H5NO2
  • Molecular Structure:CAS No:91-56-5 1H-indole-2,3-dione

Related products

Search by region :

Select to

91-56-5 Isatin

  • China Tianjin Crest Pharmaceutical R&D Co., Ltd. [Manufacturers]
  • Tel: +86-22-66211386 13820015214
  • Fax: +86-22-66211386
  • Address: Building B5-405, No, 80 4th Avenue, TEDA, Tianjin, China P.R. 300457 tianjin,tianjinChina
Contact Supplier

91-56-5 Isatin

  • China Shanghai Linchem Co., Ltd [Manufacturers]
  • Tel: +86-13817443083
  • Fax: +86-21-59370096
  • Address: Xinlong village, Xinhe town,Chongming County, Shanghai, China Shanghai,ShanghaiChina
Contact Supplier

91-56-5 I-7800 ISATIN

  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
    Rietlistrasse 4
    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
Contact Supplier

91-56-5 Isatin

  • China INNO PHARMCHEM [Manufacturers]
  • Tel: +86-574-27787870
  • Fax: +86-574-27912196
  • Address: 298 west Zhongshan RD. Ningbo,ZhejiangChina
Contact Supplier

91-56-5 Isatin

  • United Kingdom Lansdowne Chemicals Plc [Manufacturers]
  • Tel: +44 (0) 1993 843081
  • Fax: +44 (0) 1993 841261
  • Address: UNITED KINGDOM null,nullUnited Kingdom
Contact Supplier

91-56-5 Indole-2,3-dione

Contact Supplier

91-56-5 Isatin

  • China Tianjin Kermel Chemical Reagent Co., Ltd [Manufacturers]
  • Tel: 0086-22-28545255,28545251,28545252, 28545253
  • Fax: 0086-22-28545261,28545262
  • Address: No.11 Xingyuan Road, Xianshuigu Industry, Tianjin City, 300350 Tianjin,TianjinChina
Contact Supplier

91-56-5 ISATIN 1H-INDOLE-2,3-DIONE; 2,3-INDOLINEDIONE; INDOLE-2,3-DIONE

  • China JIANGXI KINGNORD INDUSTRIAL LIMITED [Manufacturer]
  • Tel: ++86-791-6493591
  • Fax: ++86-791-6493642
  • Address: JIANGXI KINGNORD INDUSTRIAL LIMITED
    1502, Evergreen Intl. Trade Bldg.,
    8 Hongcheng Road,
    Nanchang, P.R.China null,nullChina
Contact Supplier

91-56-5 Isatin

  • China Shanghai Tianqing Chemical Co., Ltd. [Manufacturers]
  • Tel: 86-21-58951849
  • Fax: 86-21-58951849
  • Address: 602#, 34nd Building, 39 guanglan Road,Zhangjiang Hi-tech Park, Pudong, Shanghai,P.R.China Shanghai,ShanghaiChina
Contact Supplier

91-56-5 ISATIN

  • United States FabriChem, Inc. [Manufacturer]
  • Tel: 203-372-8811
  • Fax: 203-372-8816
  • Address: FabriChem, Inc.
    2450 Reservoir Avenue
    Trumbull, CT 06611
    USA null,nullUnited States
Contact Supplier

Select to

4/5
Previous 1 2 3 4 5 Next
References of 1H-indole-2,3-dione
Title: Isatin
CAS Registry Number: 91-56-5
CAS Name: Indole-2,3-dione
Synonyms: 2,3-indolinedione; 2,3-diketoindoline
Molecular Formula: C8H5NO2
Molecular Weight: 147.13
Percent Composition: C 65.31%, H 3.43%, N 9.52%, O 21.75%
Literature References: May be obtained by oxidation of indigo or of oxygenated indoles such as indoxyl, oxindole, or dioxindole: Erdmann, J. Prakt. Chem. [1] 24, 1 (1841); Laurent, ibid. 25, 430 (1842); DE 229815 in Frdl. 10, 353 (1910); JP 152932 (1942 to ICI); C.A. 44, 1544d (1950). Synthesis: Sandmeyer, Helv. Chim. Acta 2, 234 (1919); GB 128122 in C.A. 13, 2375 (1919); Marvel, Hiers, Org. Synth. coll. vol. I (2nd ed., 1941) p 327; Wibaut, Gerling, Rec. Trav. Chim. 50, 41 (1931); Neunhoeffer, Lehmann, Ber. 94, 2960 (1961); Ziegler et al., Monatsh. Chem. 94, 453 (1963). May be isolated from the urine of rabbits that are fed o-nitrophenylglyoxylic acid: Bohm, Z. Physiol. Chem. 265, 210 (1940). Pharmacology: Singh, Indian Vet. J. 48, 672 (1971). Reviews: Heller, Ueber Isatin, Isatyd, Dioxindol und Indophenin (F. Enke, Stuttgart, 1931); Sumpter, Chem. Rev. 34, 393 (1944). Discussion of chemistry of isatin: Morton, Chemistry of Heterocyclic Compounds (New York, 1946) pp 126-132.
Properties: Orange-colored monoclinic prisms. mp 203.5° (partial sublimation). Absorption spectrum: Hartley, Dobbie, J. Chem. Soc. 75, 647, 656. Freely sol in boiling alcohol; sol in ether and in boiling water with reddish-brown color; sol in alkali hydroxide solns with a violet color becoming yellow on standing. The alc soln imparts a persistent, disagreeable odor to the human skin. Extremely weak base, forms a crystalline perchlorate, C8H5NO2.HClO4.2H2O.
Melting point: mp 203.5° (partial sublimation)
Use: Manuf vat dyes. In analytical chemistry as a reagent for cuprous ions, mercaptans, thiophene, and indican.