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    • NAPHTHOL BLUE BLACK

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    Documents SDS COO/COA Specification Sheet
    195243
    Sigma-Aldrich

    NAPHTHOL BLUE BLACK

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    Empform:

    C22H14N6Na2O9S2

    Synonyms English:

    Acid Black 1

    Nacres: NA.47
    Mdl No: MFCD00004017
    Fw: 616.49
    Pubchem Substance Id: 24851681
    CAS Number: 1064-48-8
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    Documents SDS COO/COA Specification Sheet

    Properties

    Properties
    Lambda max 618 nm
    applications diagnostic assay manufacturing
    hematology
    histology
    composition Dye content 80%
    Description NAPHTHOL BLUE BLACK
    form powder
    inchi 1S/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(3536)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(3233)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31
    indiff. to chromic acid /h1-1129H23H2(H323334)(H353637)
    inlet and outlet diam. /q
    inlet and outlet nptm × nptm 2*+1/p-2/b26-25+27-24+
    inlet connection diam. AOMZHDJXSYHPKS-DROYEMJCSA-L
    Import License Not required
    Check Obsolete No
    Temperature Control 1554
    Shipping Mode DAS
    Business Unit Diagnostics & Regulated Materials

    Description

    Application

    Naphthol blue black (NBB) has been used to stain soluble proteins.

    General description

    Naphthol blue black (NBB) is an textile diazo dye, with high photo- and thermal-stability. Photoelectrochemical degradation of this dye yields colorless quinone as end product. Pure grade of NBB is generally used for dyeing foodstuffs, drugs and cosmetics. It is also used as a protein stain in chromatography and electrophoresis and as a biological stain. Commercial grade of NBB is a widely used textile dye. It is used in dyeing wool, nylon, silk and in textile printing. In addition, it is also employed for coloring of soaps, anodized aluminum and casein, wood stains and writing ink preparation.

    SAFETY INFORMATION

    Signal Word

    RIDADRRIDADR

    WGK Germany

    WGK 3

    Flash Point (F)

    Not applicable

    Flash Point (C)

    Not applicable

    Target Organs

    Risk Statement

    Supplemental Hazard Statements

    DOCUMENTATION

    Certificate of Analysis View Sample COA
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