Overview

  • Product name

    Sudan red 7 B, Diazo dye
  • Description

    Lipid soluble, diazo dye for staining fats in plant and animal tissues
  • Alternative names

    • Fat Red 7B
    • Fat Red bluish
    • N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
    • Oil Violet
    • Solvent Red 19
    • Sudanrot 7B
    • Typogen Carmine
    see all
  • Biological description

    Lipid soluble, diazo dye for staining fats in plant and animal tissues. Member of the Sudan family of hydrophobic lipid-staining dyes. Sudan dyes are a group of lipid soluble dyes often called lysochromes. With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections. Has also been used to stain suberin lamellae in plant tissues.

  • CAS Number

    6368-72-5
  • Chemical structure

    Chemical Structure

Properties

  • Chemical name

    N-Ethyl-1-[[4-(phenylazo)phenyl]azo]-2-naphthalenamine
  • Molecular weight

    379.47
  • Molecular formula

    C24H21N5
  • Storage instructions

    Store at Room Temperature. The product can be stored for up to 12 months.
  • Handling

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

  • Source

    Synthetic

References

This product has been referenced in:

  • Mollet JA & Robinson WH Dispersal of American house dust mites (Acari:Pyroglyphidae) in a residence. J Med Entomol 33:844-7 (1996). Read more (PubMed: 8840694) »
  • Brundrett MC  et al. Efficient lipid staining in plant material with sudan red 7B or fluorol [correction of fluoral] yellow 088 in polyethylene glycol-glycerol. Biotech Histochem 66:111-6 (1991). Read more (PubMed: 1716161) »

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