2,2'-双磺酸联苯胺
Benzidine-2,2'-disulfonic acid
CAS: 117-61-3
Molecular Formula: C12H12N2O6S2
2,2'-双磺酸联苯胺 - Names and Identifiers
| Name | Benzidine-2,2'-disulfonic acid |
| Synonyms | BDSA 2,2'-disulfobenzidine 2,2'-Benzidinedisulfonic Acid 2,2'-BENZIDINEDISULFONIC ACID Benzidine-2,2'-disulfonic acid 2,2'-DISULFONIC ACID BENZIDINE 2,2'-Disulfo-4,4'-diaminobiphenyl 4,4'-diaminobiphenyl-2,2'-disulfonate 4,4'-Diaminobiphenyl-2,2'-disulfonic acid 1'-biphenyl]-2,2'-disulfonicacid,4,4'-diamino-[ 1'-biphenyl)-2,2'-disulfonicacid,4,4'-diamino-( 1'-Biphenyl]-2,2'-disulfonicacid,4,4'-diamino-[1 [1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino- |
| CAS | 117-61-3 |
| EINECS | 204-200-0 |
| InChI | InChI=1/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)/p-2 |
2,2'-双磺酸联苯胺 - Physico-chemical Properties
| Molecular Formula | C12H12N2O6S2 |
| Molar Mass | 344.36 |
| Density | 1.5417 (rough estimate) |
| Melting Point | 175°C |
| Boling Point | 638.25℃[at 101 325 Pa] |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Single sheet or prism or lavender powder |
| Color | Dark purple |
| pKa | -1.85±0.50(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.6510 (estimate) |
| MDL | MFCD00041885 |
| Physical and Chemical Properties | Melting Point: 175 ℃ water-soluble:<0.1g/100 mL at 20 C |
| Use | For Organic synthesis |
2,2'-双磺酸联苯胺 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S60 - This material and its container must be disposed of as hazardous waste. S37 - Wear suitable gloves. |
| RTECS | DV5230000 |
| TSCA | Yes |
| HS Code | 29215900 |
| Toxicity | eye-rbt 500 mg/24H SEV 28ZPAK -,191,72 |
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