A7640158
                    OrangeⅡ , 10mMinDMSO , 633-96-5
                            Synonym(s):
4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Acid Orange 7;Acid Orange A;Orange II;Tropaeolin 000 No. 2
                            
                        
                CAS NO.:633-96-5
Empirical Formula: C16H13N2NaO4S
Molecular Weight: 352.34
MDL number: MFCD00021510
EINECS: 211-199-0
| Pack Size | Price | Stock | Quantity | 
| 1ml | RMB559.20 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 164°C | 
                                    
| Density | 1.525[at 20℃] | 
                                    
| vapor pressure | 0Pa at 25℃ | 
                                    
| storage temp. | Amber Vial, -20°C Freezer, Under inert atmosphere | 
                                    
| solubility | Very soluble in water; very slightly soluble in ethanol | 
                                    
| form | Crystalline Powder | 
                                    
| Colour Index | 15510 | 
                                    
| pka | 8.26, 11.4(at 25℃) | 
                                    
| color | Green to blue | 
                                    
| Odor | Odorless | 
                                    
| PH Range | Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8) | 
                                    
| Water Solubility | 116 g/L (30 ºC) | 
                                    
| λmax | 483nm | 
                                    
| ε(extinction coefficient) | ≥17000  at 480-486nm in water  at 0.01g/L ≥26500 at 225-231nm in water at 0.01g/L ≥7500 at 307-313nm in water at 0.01g/L  | 
                                    
| Merck | 14,6858 | 
                                    
| BRN | 3898201 | 
                                    
| Stability: | Light Sensitive | 
                                    
| Biological Applications | Cosmetics; wound dressing materials | 
                                    
| Major Application | Organic light emitting diodes (OLEDs), nanoparticles, inks, wood preservatives, textiles, hair dyes, cosmetics, wound dressing materials, biofuel cells | 
                                    
| LogP | -0.95 at 20℃ | 
                                    
| CAS DataBase Reference | 633-96-5(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | C.I. Acid Orange 7, monosodium salt (633-96-5) | 
                                    
Description and Uses
Acid Orange 7 (CAS# 633-96-5) is an environmental pollutant.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319 | 
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | 
| Hazard Codes | Xi | 
| Risk Statements | 36/37/38 | 
| Safety Statements | 26-36-37/39 | 
| WGK Germany | 3 | 
| RTECS | DB7084000 | 
| HS Code | 32041200 | 




