Introduction：Basic information about CAS 7474-78-4|3,4-Diaminobenzenesulfonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3,4-Diaminobenzenesulfonic acid |
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| CAS Number | 7474-78-4 | Molecular Weight | 188.20400 |
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| Density | 1.611g/cm3 | Boiling Point | 178-179 °C3 mm Hg(lit.) |
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| Molecular Formula | C6H8N2O3S | Melting Point | -12ºC |
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| MSDS | / | Flash Point | >230 °F |
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Names
| Name | 3,4-Diaminobenzenesulfonic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.611g/cm3 |
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| Boiling Point | 178-179 °C3 mm Hg(lit.) |
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| Melting Point | -12ºC |
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| Molecular Formula | C6H8N2O3S |
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| Molecular Weight | 188.20400 |
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| Flash Point | >230 °F |
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| Exact Mass | 188.02600 |
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| PSA | 114.79000 |
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| LogP | 2.34090 |
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| Index of Refraction | n20/D 1.441(lit.) |
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| InChIKey | FKSRSWQTEJTBMI-UHFFFAOYSA-N |
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| SMILES | Nc1ccc(S(=O)(=O)O)cc1N |
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| Storage condition | -20°C |
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| Water Solubility | hexane, toluene, ethanol and acetone: soluble |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | 26-36 |
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| WGK Germany | 1 |
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| RTECS | VS1150000 |
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| HS Code | 2921420090 |
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Customs
| HS Code | 2921420090 |
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| Summary | HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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Synonyms
| 3,4-diaminophenylsulfonic acid |
| m-sulfophenylenediamine |
| Phenylendiamin-(1.2)-sulfonsaeure-(4) |
| 3,4-Diamino-benzolsulfonsaeure |
| EINECS 203-672-5 |
| MFCD00270799 |
| 3,4-diamino-benzenesulfonic acid |
| o-phenylenediamine sulfonate |
| Benzenesulfonic acid,3,4-diamino |
| 3,4-Diaminobenzenesulphonic acid |
