242969
Sodium diphenylamine-4-sulfonate
ACS reagent
Synonym(s):
4-(Phenylamino)benzenesulfonic acid sodium salt, Diphenylamine-4-sulfonic acid sodium salt
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About This Item
Empirical Formula (Hill Notation):
C12H10NNaO3S
CAS Number:
Molecular Weight:
271.27
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
228-165-6
MDL number:
grade
ACS reagent
Quality Segment
technique(s)
titration: suitable
SMILES string
[Na+].[O-]S(=O)(=O)c1ccc(Nc2ccccc2)cc1
InChI
1S/C12H11NO3S.Na/c14-17(15,16)12-8-6-11(7-9-12)13-10-4-2-1-3-5-10;/h1-9,13H,(H,14,15,16);/q;+1/p-1
InChI key
DGXTZMPQSMIFEC-UHFFFAOYSA-M
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).
Application
Sodium diphenylamine-4-sulfonate may be used in the synthesis of poly-(aniline-co-N-(4-sulfophenyl)aniline via polymerization with aniline. It may also be used as a reductant in the synthesis of branched gold nanocrystals from gold(III) chloride trihydrate in the presence of polyethylene glycol. These nanocrystals have potential application as electrocatalysts.
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Hazard Codes
Signal Word
Warning
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
dust mask type N95 (US), Eyeshields, Gloves
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