ACID RED 13
- CAS NO.：2302-96-7
- Empirical Formula: C20H12N2Na2O7S2
- Molecular Weight: 502.43
- MDL number: MFCD00191366
- EINECS: 218-958-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:57:00
What is ACID RED 13?
The Uses of ACID RED 13
Disodium 4-[(2-hydroxy-6-sulfonato-1-naphthyl)diazenyl]-1-naphthalenesulfonate is a monoazo dye with fluorescent properties. It is a ground water pollutant, removed via photodegradation.
What are the applications of Application
An azo organosulfur compound for proteomics research
Preparation
4-Aminonaphthalene-1-sulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Definition
ChEBI: C.I. Acid Red 13 is a monoazo compound and a member of naphthalenes.
Properties and Applications
red. Soluble in water is cherry red, slightly soluble in ethanol (the pale of the red light purple), almost insoluble in acetone. Strong sulfuric acid in purple, will have its dilution cherry red (produced orange precipitation); Meet nitric acid for yellow light red. Its water solution with hydrochloric acid for yellow orange; Add thick sodium hydroxide solution for orange light brown. Used for wool, silk dyeing, can also be used for the feathers, paper, soap, leather, wood, cosmetics and pharmaceutical color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 2 | 1-2 | 2-3 | ||
Properties of ACID RED 13
| Water Solubility | Soluble in water |
| form | powder to crystal |
| Colour Index | 16045 |
| color | Orange to Brown to Dark purple |
| CAS DataBase Reference | 2302-96-7 |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-, disodium salt (2302-96-7) |
Safety information for ACID RED 13
Computed Descriptors for ACID RED 13
ACID RED 13 manufacturer
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