Sudan red IV, Red beta-naphthol diazo dye. (ab146307)
Key features and details
- Red β-naphthol diazo dye used for staining triglycerides, lipids and lipoproteins in cells and tissues.
- CAS Number: 85-83-6
- Form / State: Solid
- Source: Synthetic
Overview
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Product name
Sudan red IV, Red beta-naphthol diazo dye. -
Description
Red β-naphthol diazo dye used for staining triglycerides, lipids and lipoproteins in cells and tissues. -
Alternative names
- Biebrich scarlet R fat soluble
- Fat Ponceau R or 4
- Lipid Crimson
see all -
Biological description
Fat-soluble dye often used for staining triglycerides, lipids and lipoproteins present in cells and tissues. This red β-naphthol diazo dye has the same basic structure as Sudan III with two added methyl groups increasing the deepness and intensity of the stain. Sudan dyes are a group of lipid soluble solvent dyes often called lysochromes. With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections.
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CAS Number
85-83-6 -
Chemical structure
Properties
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Chemical name
1-[[2-Methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthalenol -
Molecular weight
380.45 -
Molecular formula
C24H20N4O -
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.
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Source
Synthetic
