PRODUCT Properties
| Melting point: | >300°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Solubility Soluble in water, ethanol |
| pka | 2.0(at 25℃) |
| form | Powder |
| Colour Index | 13080 |
| color | S. No.: 179 |
| PH Range | 1.3(red)-3.2(yellow) |
| λmax | 527nm, 443nm |
| Merck | 14,9776 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Major Application | Sensors, lithographic plates, optical recording media, photoreceptor, inks, indication system for product exceeding threshold temperature, lubricants, textiles, food storage, determination of amiodarone, astemizole, bromhexine, clomipramine, deutiforin, domperidone, fluoroquinolone, roxithromycin, terfenadine, thiabendazole, antihistamines |
| CAS DataBase Reference | 554-73-4(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-[[4-(phenylamino)phenyl]azo]-, monosodium salt (554-73-4) |
Description and Uses
As indicator. pH: red 1.4 to yellow 2.6.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Warning |
| Hazard statements | H228 |
| Precautionary statements | P240-P210-P241-P280-P370+P378 |
| Hazard Codes | Xn,Xi |
| Risk Statements | 20/21/22-36/37/38-41-37/38-22 |
| Safety Statements | 36/37-26-36/37/39-36-24/25 |
| HazardClass | IRRITANT |
| HS Code | 29270000 |
