8-Anilino-1-naphthalenesulfonic acid ammonium salt
Synonym(s):1,8-ANS NH4;Ammonium 8-anilino-1-naphthalenesulfonate;ANSA;N-Phenyl peri acid
- CAS NO.:28836-03-5
- Empirical Formula: C16H16N2O3S
- Molecular Weight: 316.38
- MDL number: MFCD00012560
- EINECS: 249-265-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-22 11:23:49
What is 8-Anilino-1-naphthalenesulfonic acid ammonium salt?
Chemical properties
8-Anilinonaphthalene-1-sulfonic acid ammonium salt is a light yellow to yellow-green solid. It is primarily utilized as a dye intermediate in the production of weak acid dark blue 5R and weak acid black BR.
The Uses of 8-Anilino-1-naphthalenesulfonic acid ammonium salt
8-Anilino-1-naphthalenesulfonic Acid Ammonium Salt is a fluorescent probe for protein studies. It is used as sensitive indicator of protein folding, conformational changes and for protein studies. It can also be used in engineering or chemical process of broad-spectrum tunable photoluminescent nanomaterials constructed from modular light-harvesting platform based on macrocyclic amphiphiles.
What are the applications of Application
ANS forms an inclusion complex with cyclodextrin. Such model systems are useful to mimic biological recognition and can be studied by measuring the change in fluorescence of free-ANS to complexed-ANS. When ANS enters the hydrophobic core of cyclodestrin, it′s fluorescence increases . Utilized in the reagent phase of a sodium-selective fiber-optic sensor. The reagent phase also contains a copper(II) polyelectrolyte, which binds to ANSA in the absence of sodium and quenches the fluorescence. In the presence of sodium, ANSA forms a cationic complex creating ion-pairs, causing it to fluoresce . ANS is often incorporated into di-block polymers and can be released by changes in the local environment (i.e., temperature, pH, etc.) . ANS is commonly used as a fluorescence probe to investigate molecular assemblies of surfactants and amphiphilic polymers because a blue shift of the emission maximum indicates the fluorophore is located in less polar media . Fluorescent probe for protein studies using methodologies such as steady-state and dynamic fluorescence measurements.
Properties of 8-Anilino-1-naphthalenesulfonic acid ammonium salt
Melting point: | 242-244 °C(lit.) |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | NaOH: soluble1 N |
form | crystalline |
color | dark green |
Water Solubility | Soluble in water, 1N NaOH, and methanol. |
Sensitive | Light & Air Sensitive & Hygroscopic |
λmax | 375nm(lit.) |
BRN | 3581235 |
InChI | InChI=1S/C16H13NO3S.H3N/c18-21(19,20)15-11-5-7-12-6-4-10-14(16(12)15)17-13-8-2-1-3-9-13;/h1-11,17H,(H,18,19,20);1H3 |
CAS DataBase Reference | 28836-03-5(CAS DataBase Reference) |
EPA Substance Registry System | 1-Naphthalenesulfonic acid, 8-(phenylamino)-, monoammonium salt (28836-03-5) |
Safety information for 8-Anilino-1-naphthalenesulfonic acid ammonium salt
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 8-Anilino-1-naphthalenesulfonic acid ammonium salt
InChIKey | SYNRZVIFUGIQFF-UHFFFAOYSA-N |
SMILES | S(C1=CC=CC2=CC=CC(NC3C=CC=CC=3)=C12)(O)(=O)=O.N |
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