Barium Diphenylamine Sulfonate is the barium salt of diphenylamine-4-sulfonic acid. It is a widely used colorimetric indicator and analytical reagent in laboratory chemistry. It is usually supplied as a white to light yellow powder with good stability and solubility in aqueous solutions. The compound contains a diphenylamine functional group that undergoes distinct color changes during oxidation-reduction reactions and is beneficial in analytical measurements. Because of its stable chemical properties and reliable indicator performance and is widely used in chemical research, pharmaceutical intermediate production and analytical laboratories.
CAS No.: 6211-24-1Â
Synonyms: Barium Diphenylamine Sulfonate, N-Phenylsulfanilic Acid Barium Salt.
| Physical Properties | |
| Chemical formula | C₂₄H₂₀BaN₂O₆S₂ |
| IUPAC Name | barium(2+) bis(4-(phenylamino)benzene-1-sulfonate) |
| Molecular weight | 633.88 g/mol |
| Solubility | Slightly Soluble in water |
| Appearance | White to grey powder |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | White |
| Physical State | Solid |
| Melting Point | 300 °C |
| Odor | Odorless |
| Pictograms : |  |
| Hazard Statements : | H302+H332: Harmful if swallowed or if inhaled. |
| Precautionary statements : | P330: Rinse mouth. P301+P312: IF SWALLOWED: Call a POISON CENTRE or doctor if you feel unwell. P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing. P312: Call a POISON CENTRE or doctor if you feel unwell |
Barium Diphenylamine Sulfonate is the barium salt of diphenylamine-4-sulfonic acid. It is a widely used colorimetric indicator and analytical reagent in laboratory chemistry. It is usually supplied as a white to light yellow powder with good stability and solubility in aqueous solutions. The compound contains a diphenylamine functional group that undergoes distinct color changes during oxidation-reduction reactions and is beneficial in analytical measurements. Because of its stable chemical properties and reliable indicator performance and is widely used in chemical research, pharmaceutical intermediate production and analytical laboratories.
CAS No.: 6211-24-1Â
Synonyms: Barium Diphenylamine Sulfonate, N-Phenylsulfanilic Acid Barium Salt.
| Physical Properties | |
| Chemical formula | C₂₄H₂₀BaN₂O₆S₂ |
| IUPAC Name | barium(2+) bis(4-(phenylamino)benzene-1-sulfonate) |
| Molecular weight | 633.88 g/mol |
| Solubility | Slightly Soluble in water |
| Appearance | White to grey powder |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | White |
| Physical State | Solid |
| Melting Point | 300 °C |
| Odor | Odorless |
| Pictograms : | |
| Hazard Statements : | H302+H332: Harmful if swallowed or if inhaled. |
| Precautionary statements : | P330: Rinse mouth. P301+P312: IF SWALLOWED: Call a POISON CENTRE or doctor if you feel unwell. P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing. P312: Call a POISON CENTRE or doctor if you feel unwell |
Barium diphenylamine sulfonate is used predominantly as a redox indicator in analytical chemistry. It is also employed in chemical research, manufacture of pharmaceutical intermediates and laboratory testing.
Barium diphenylamine sulfonate is a well-known redox (oxidation-reduction) indicator. It shows a characteristic color change with the change in the oxidation state of a solution. It is used in volumetric and redox titrations for the accurate determination of the endpoint.
Barium diphenylamine sulfonate indicator solution is prepared by dissolving a measured quantity of barium diphenylamine sulfonate in a suitable solvent according to the analytical method or laboratory standard being followed.
