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Home > All categories> Dyes and Pigments> Dyes> Vat Dyes> (2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
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(2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one

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Origin: China

Cas No: 84-40-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 84-40-2 Formula: C16H8Br2N2O2 Molecular Weight: 420.05500

    Basic Info

    Chemical Name (2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
    Synonyms

    5,5'-dibromoindigo;
    Bromoindigo;

    CAS No. 84-40-2
    Molecular Formula C16H8Br2N2O2
    Molecular Weight 420.05500
    PSA 58.20000
    LogP 4.61580

    Properties

    Density 1.932g/cm3
    Boiling Point 492ºC at 760 mmHg
    Flash Point 251.3ºC
    Refractive Index 1.739

    Safety Info

    HS Code 2933990090

    Synthesis Route

    hydrogen bromide+Indigo→5,7-Dibromoisatin+2,4,6-Tribromoaniline

    Downstream Product

    2-Amino-5-bromobenzoic acid

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