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 |
|
| 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 |
| LogP | 1.102 at 24℃ |
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 |
