4,4′-Diamino-2,2′-stilbenedisulfonic acid CAS#: 81-11-8; ChemWhat Code: 27936
Names & Identifiers |
| Product Name | 4,4′-Diamino-2,2′-stilbenedisulfonic acid |
| Synonyms | Diaminostilbene-2,2′-disulfonic acid;4,4′-Diaminostilbene-2,2′-disulphonicacid(Amsonicacid);4,4′-Diamino-2,2′-st;Benzenesulfonic acid,2,2′-(1,2-ethenediyl)bis[5-aMino-;2,2’-(1,2-ethenediyl)bis[5-amino-benzenesulfonicaci;2,2’-(1,2-ethenediyl)bis[5-amino-Benzenesulfonicacid;2,2’-(1,2-ethenediyl)bis[5-amino-benzenesulfonicacid];2,2’-(1,2-ethylenediyl)bis(5-amino-benzenesulfonicaci |
| CAS Registry Number | 81-11-8 |
| Molecular Formula | C14H14N2O6S2 |
| Molecular Weight | 370.4 |
| EINECS | 201-325-2 |
| Other Registry Numbers | |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | 300 °C |
| Storage | -20°C Freezer |
| form | Crystalline Powder |
| Color | Cream to yellow-brown |
| Water Solubility | <0.1 g/100 mL at 23 ºC |
| Merck | 14,595 |
| BRN | 629516 |
| Stability: | Stable. Combustible. Incompatible with iron, strong oxidizing agents. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| EPA Substance Registry System | Benzenesulfonic acid, 2,2'-(1,2-ethenediyl) bis[5-amino-(81-11-8) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | C,Xn |
| R Phrase | 34-22-36/37/38-20/21/22 |
| S Phrase | 24/25-45-36/37/39-26-22 |
| RIDADR | UN 2583 |
| RTECS | WJ6603000 |
| TSCA | Yes |
| HS Code | 29215900 |
| Hazardous Substances Data | 81-11-8(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


