Sodium diphenylamine-4-sulfonate
Synonym(s):4-(Phenylamino)benzenesulfonic acid sodium salt;Diphenylamine-4-sulfonic acid sodium salt
- CAS NO.：6152-67-6
- Empirical Formula: C12H12NNaO3S
- Molecular Weight: 273.28
- MDL number: MFCD00036468
- EINECS: 228-165-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-19 17:35:41
What is Sodium diphenylamine-4-sulfonate?
Chemical properties
off-white powder
The Uses of Sodium diphenylamine-4-sulfonate
Redox indicatorSodium diphenylamine-4-sulfonate is used as a pH independent redox indicator used in the determination of redox potential. It is used in the preparation of poly-(aninile-co-N-(4-sulfophenyl)aniline) by polymerization with aniline. It acts as a ligand and form complexes with metal halides like lanthanum(III) chloride. It is also involved in the synthesis of gold nano crystals by reaction with chloroauric acid in the presence of polyethylene glycol.
General Description
Sodium diphenylamine-4-sulfonate has the ability to form colored complexes with metal ions. Hence it is commonly used as an indicator to estimate the concentration of metal ions. It is also an efficient quencher of electrochemiluminescence of tris (2, 2′-bipyridine)-ruthenium (II).
Properties of Sodium diphenylamine-4-sulfonate
| Melting point: | >300 C |
| storage temp. | Store at +15°C to +25°C. |
| solubility | 820g/l |
| form | Crystalline Powder |
| color | Off-white to beige or light gray |
| Odor | Characteristic odour |
| PH | 5.7 (10g/l, H2O, 20℃) |
| Water Solubility | soluble |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. |
| CAS DataBase Reference | 6152-67-6(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-(phenylamino)-, monosodium salt (6152-67-6) |
Safety information for Sodium diphenylamine-4-sulfonate
| 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Sodium diphenylamine-4-sulfonate
| InChIKey | DGXTZMPQSMIFEC-UHFFFAOYSA-M |
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