| Appearance and Shape (20°C) | Solid | 
|---|---|
| CAS RN | 1787-61-7 | 
| MDL number | MFCD00003935 | 
| Molecular weight | 461.38 | 
| Molecular Formula | C20H12N3NaO7S | 
| Product code | ICTE0214 | 
| PubChem Substance ID | 87569497 | 
| Reaxys-RN | 7510034 | 
| SDBS (AIST Spectral DB) | 12926 | 
| Appearance | Black powder to crystaline | 
|---|
| Pictograms |   | 
|---|---|
| Hazard statement | H315 : Causes skin irritation H319 : Causes serious eye irritation. | 
| Precautionary Statements | P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ eye protection/ face protection P337 + P313 : If eye irritation persists: Get medical advice/ attention P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P302 + P352 : IF ON SKIN: Wash with plenty of soap and water P332 + P313 : If skin irritation occurs: Get medical advice/ attention P362 : Take off contaminated clothing and wash before reuse. | 
| Signal word | Warning | 
| RTECS# | QK2197000 | 
|---|
Analytical Chemistry Analytical Reagents Spectroscopy Reagents UV/VIS Measuring Reagents Various Chemicals for UV/VIS Titration Reagents Indicators for Titration
Chemicals by Class 6-Membered Carbocyclic Compounds [Chemical Structural Class] Azobenzenes [Chemical Structural Class] Azonaphthalenes [Chemical Structural Class]
Chemistry Stains and Dyes [Chemistry] Mordant Dyes [Chemistry]