CAS: 206659-00-9
MF: C16H13NO3S.H3N
MW: 316.38
Appearance: Light yellow-green powder or crystalline powder
Other Name: naphthalene-1-sulfonate xhydrate; ANS (ammonium hydrate); 8-anilino-1-naphthalenesulfonic acid ammonium salt hydrate, 97; 8-(Phenylamino)-1-naphthalenesulfonic acid ammonium salt hydrate
8-Anilinonaphthalene-1-sulfonicacid,azane,hydrate CAS 206659-00-9
206659‑90‑9 is 8‑amino‑1‑naphthalene sulfonic acid ammonium salt hydrate. It is a classic hydrophobic fluorescent probe and is mainly used in biological and materials research. CAS number: 206659‑00‑9 (hydrated form); the anhydrous form commonly used has CAS: 28836‑03‑5. It is hygroscopic and sensitive to light; it needs to be sealed, protected from light, and stored in a dry place.
Specifications :
| Item | Specifications |
| Appearance | Light yellow-green powder or crystalline powder |
| content% | ≥97.0 |
| melting point℃ | 238-245 |
| pH | 4.0-5.5 |
| Turbidity NTU(0.2% in H2O) | ≤2.0 |
| Solubility g/100ml | ≥4.0 |
| Solubility(0.2% in H2O) | Yellow-green transparent solution |
| Pb ppm | ≤10 |
| Cu ppm | ≤10 |
| Mn ppm | ≤10 |
| Cd ppm | ≤10 |
| Ni ppm | ≤10 |
| Co ppm | ≤10 |
| Cr ppm | ≤10 |
| Zn ppm | ≤10 |
Application
Biochemistry: Protein Conformation and Interactions
Detection of protein hydrophobic sites, monitoring protein folding / denaturation, and denaturation process
Research on protein-ligand, protein-protein, and membrane protein interactions
Measurement of protein surface hydrophobicity, enzyme active site environment
Materials Science: Polymers and Colloids
Detection of hydrophobic sites in polymers such as polyacrylamide and poly N-isopropylacrylamide (PNIPAM)
Research on the formation and structure of thermosensitive hydrogels, micelles, and vesicles
As guest molecules, studying cyclodextrin inclusion, supramolecular assembly
Medicine and Testing
Five-category blood cell reagents for white blood cell fixation
Fluorescence labeling and detection of hydrophobic structures in biological samples
Dye intermediates
Used for the synthesis of weakly acidic dyes (such as weakly acidic dark blue 5R, acidic black BR)
Package
25kg/drum. keep low-temperature and keep drying











