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CAS No 482-89-3 , Indigo

  • Name: Indigo
  • Synonyms: 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; Vat Blue 1; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); C.I. 73000; Indigo blue;Indigo;
  • CAS Registry Number:
  • Transport: 50kgs
  • Melting Point: 390-392 ºC (DEC.)
  • Flash Point: 158.2°C
  • Boiling Point: 400.4°Cat760mmHg
  • Density: 1.417g/cm3
  • Refractive index: 1.709
  • Water Solubility: <0.1 G/100 ML
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 158.2°C
  • EINECS: 207-586-9
  • Molecular Weight: 262.27
  • InChI: InChI=1/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17-18H/b14-13+
  • Risk Statements: S26;S36
  • Molecular Formula: C16H10N2O2
  • Molecular Structure:CAS No:482-89-3 Indigo
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482-89-3 INDIGO C.I. 73000 BIOLOGICAL STAIN

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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482-89-3 INDIGO, SYNTHETIC; 98%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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482-89-3 Indigo

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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482-89-3 INDIGO

  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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482-89-3 INDIGO BLUE

  • United States Aceto Corp. [Manufacturer]
  • Tel: 516-627-6000
  • Fax: 516-627-6093
  • Address: One Hollow Lane
    Lake Success, NY 11042-1215 ,United States
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482-89-3 Indigo Blue

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 ,China
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482-89-3 Indigo

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482-89-3 Vat Blue 1

  • China Dynasty Colourants Co., Ltd. [Manufacturers]
  • Tel: 0086-574-27897999 +86 574 27862090
  • Fax: 0086-574-27862092
  • Address: 18fl., King International , No. 345 South Huancheng West Road Ningbo China, Ningbo,HangzhouChina
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482-89-3 INDIGO

  • Canada Ring Specialty Chemicals Inc. [Manufacturer]
  • Tel: 416-493-6870
  • Fax: 416-499-9759
  • Address: Ring Specialty Chemicals, Inc.
    100 Echo Point,Unit 908
    Toronto, Ontario,M1W 2V2, Canada ,Canada
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482-89-3 Indigo

  • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
  • Tel: 86-23902293
  • Fax: 86-27898314
  • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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References of Indigo
Title: Indigo
CAS Registry Number: 482-89-3
CAS Name: 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
Synonyms: [D2,2¢-biindoline]-3,3¢-dione; D2,2¢-bipseudoindoxyl; indigotin; indigo blue; D & C Blue No. 6; C.I. Pigment Blue 66; C.I. Vat Blue 1; C.I. 73000
Molecular Formula: C16H10N2O2
Molecular Weight: 262.26
Percent Composition: C 73.28%, H 3.84%, N 10.68%, O 12.20%
Literature References: Probably the oldest known coloring matter. Originally obtained from various species of Indigofera, Leguminosae, indigenous to Bengal, Java, Guatemala, in which it occurs as a glucoside. First synthesis: Baeyer, Ber. 11, 1296 (1878); 12, 456 (1879). First commercial process: Heumann, Ber. 23, 3043, 3431 (1890). Newer prepns: Harley-Mason, J. Chem. Soc. 1950, 2907; Ziegler, Kappe, Monatsh. Chem. 96, 889 (1965); J. Gosteli, Helv. Chim. Acta 60, 1980 (1977). Indigo occurs in cis and trans forms, in solid state it is in the trans form: Posner, Ber. 56, 31 (1923); 57, 1313 (1924); 59, 1799 (1926). Reviews on indigo and indigoid dyes: Lubs, The Chemistry of Synthetic Dyes, ACS Monograph Series no. 127 (Reinhold, New York, 1955) pp 551-576; Schweizer, Künstliche Organische Farbstoffe und ihre Zwischenprodukte (Springer Verlag, 1964) pp 320-334; Colour Index vol. 4 (3rd ed., 1971) p 4595.
Properties: Dark-blue powder with coppery luster. Sublimes at about 300°; dec 390°. Practically insol in water, alcohol, ether, and dil acids. Dissolves in nonpolar solvents with red and in polar solvents with blue color. With fuming H2SO4 it forms a sol sulfonic acid.
Use: As textile dye. In sutures.