A1185812
                    Bromocresol purple , 98% , 115-40-2
                            Synonym(s):
5′,5′′-Dibromo-o-cresolsulfonephthalein sodium salt;5′,5′′-Dibromo-o-cresolsulfonphthalein;5,5′-Dibromo-o-cresolsulfonphthalein;Bromcresol purple sultone form;Bromocresol purple
                            
                        
                CAS NO.:115-40-2
Empirical Formula: C21H16Br2O5S
Molecular Weight: 540.22
MDL number: MFCD00011681
EINECS: 204-087-8
| Pack Size | Price | Stock | Quantity | 
| 5G | RMB65.60 | In Stock | 
                                                 | 
                                        
| 25G | RMB216.00 | In Stock | 
                                                 | 
                                        
| 100g | RMB660.00 | In Stock | 
                                                 | 
                                        
| 500g | RMB2020.00 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 240 °C (dec.) (lit.) | 
                                    
| bulk density | 515kg/m3 | 
                                    
| Density | 1.6509 (estimate) | 
                                    
| Flash point: | 36 °C | 
                                    
| storage temp. | Store at +5°C to +30°C. | 
                                    
| solubility | ethanol: soluble1mg/mL | 
                                    
| form | Solid | 
                                    
| pka | 6.21, 6.3, 6.4(at 25℃) | 
                                    
| Boiling point: | 590.2±50.0 °C(Predicted) | 
                                    
| color | Purplish-brown | 
                                    
| PH Range | 5.2(yellow)-6.8(purple) | 
                                    
| PH | pH : 5.2~6.8 | 
                                    
| Water Solubility | practically insoluble | 
                                    
| λmax | 419nm, 433nm, 591nm | 
                                    
| ε(extinction coefficient) | ≥22000  at 418-424nm in methanol | 
                                    
| Merck | 14,1387 | 
                                    
| BRN | 359618 | 
                                    
| Stability: | Stable. Incompatible with strong oxidizing agents. | 
                                    
| Major Application | Waveguides, fuel cells, sensors, sol-gel technology, display device, falsification-proof security paper, paints, detergents, identifying fresh and stale rice, detecting lactic acid bacteria, dental materials, vaginal infection test method | 
                                    
| InChIKey | ABIUHPWEYMSGSR-UHFFFAOYSA-N | 
                                    
| CAS DataBase Reference | 115-40-2(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | Bromcresol Purple (115-40-2) | 
                                    
Description and Uses
Bromocresol purple has been used as a pH indicator in the yeast culture media. It has been used as a pH indicator in the culture media of Geobacillus stearothermophilus subsp. Calidolactis.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H315-H319-H335 | 
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | 
| Hazard Codes | Xi,Xn | 
| Risk Statements | 36/37/38-10-20/21/22 | 
| Safety Statements | 26-36-37/39-16 | 
| RIDADR | UN 1993 3/PG 3 | 
| WGK Germany | 3 | 
| TSCA | Yes | 
| HS Code | 29349990 | 
| Hazardous Substances Data | 115-40-2(Hazardous Substances Data) | 



