A1560112
                    2,2'-Benzidinedisulfonic Acid (contains 30% Water at maximum) , >70.0%(T) , 117-61-3
CAS NO.:117-61-3
Empirical Formula: C12H12N2O6S2
Molecular Weight: 344.36
MDL number: MFCD00041885
EINECS: 204-200-0
| Pack Size | Price | Stock | Quantity | 
| 25G | RMB24.00 | In Stock | 
                                                 | 
                                        
| 100G | RMB77.60 | In Stock | 
                                                 | 
                                        
| 500G | RMB216.00 | In Stock | 
                                                 | 
                                        
| 2.5kg | RMB752.80 | In Stock | 
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| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 175°C | 
                                    
| Boiling point: | 638.25℃[at 101 325 Pa] | 
                                    
| Density | 1.5417 (rough estimate) | 
                                    
| vapor pressure | 0Pa at 25℃ | 
                                    
| refractive index | 1.6510 (estimate) | 
                                    
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature | 
                                    
| pka | -1.85±0.50(Predicted) | 
                                    
| form | Powder | 
                                    
| color | Dark purple | 
                                    
| Water Solubility | <0.1 g/100 mL at 20 ºC | 
                                    
| InChI | InChI=1S/C12H12N2O6S2/c13-7-1-3-9(11(5-7)21(15,16)17)10-4-2-8(14)6-12(10)22(18,19)20/h1-6H,13-14H2,(H,15,16,17)(H,18,19,20) | 
                                    
| InChIKey | MBJAPGAZEWPEFB-UHFFFAOYSA-N | 
                                    
| SMILES | C1(C2=CC=C(N)C=C2S(O)(=O)=O)=CC=C(N)C=C1S(O)(=O)=O | 
                                    
| LogP | 1.102 at 24℃ | 
                                    
| CAS DataBase Reference | 117-61-3(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | [1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino- (117-61-3) | 
                                    
Description and Uses
4,4'-Diaminobiphenyl-2,2'-disulfonic acid hydrate is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff. Benzidine-2,2' -disulfonic acid is used in the production of yellow and red azo dyes.
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H302+H312+H332-H315-H319-H335 | 
| Precautionary statements | P280a-P304+P340-P305+P351+P338-P405-P501a-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501 | 
| Hazard Codes | Xi | 
| Risk Statements | 20/21/22-37/38-36-36/37/38 | 
| Safety Statements | 22-26-36-60-37 | 
| RTECS | DV5230000 | 
| TSCA | Yes | 
| HS Code | 29215900 | 
| Toxicity | eye-rbt 500 mg/24H SEV 28ZPAK -,191,72 | 





