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CAS NO.121-57-3
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| Sulfanilic acid Basic information |
| Product Name: | Sulfanilic acid |
| Synonyms: | ANILINE-4-SULFONIC ACID;ANILINE P-SULFONIC ACID;4-SULFOANILINE;4-AMINOBENZENESULPHONIC ACID;4-AMINOBENZENESULFONIC ACID;4-ANILINESULFONIC ACID;SUFANILIC ACID;SULFANILIC ACID |
| CAS: | 121-57-3 |
| MF: | C6H7NO3S |
| MW: | 173.19 |
| EINECS: | 204-482-5 |
| Product Categories: | Intermediates of Dyes and Pigments;INORGANIC & ORGANIC CHEMICALS;Organics;Amines;Aromatics;Sulfur & Selenium Compounds |
| Mol File: | 121-57-3.mol |
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| Sulfanilic acid Chemical Properties |
| mp | >300 °C(lit.) |
| density | 1.485 |
| storage temp. | Store in dark! |
| Water Solubility | 0.1 g/100 mL (20 ºC) |
| Merck | 14,8926 |
| BRN | 908765 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 121-57-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenesulfonic acid, 4-amino-(121-57-3) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-amino-(121-57-3) |
| Safety Information |
| Hazard Codes | C,Xi |
| Risk Statements | 36/38-43-34 |
| Safety Statements | 26-36/37/39-45-37-24-36/37 |
| RIDADR | UN 2790 8/PG 3 |
| WGK Germany | 1 |
| RTECS | WP3895500 |
| HS Code | 29214210 |
| Hazardous Substances Data | 121-57-3(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| 4-Anilinesulfonic acid | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Sulfanilic acid Usage And Synthesis |
| Chemical Properties | greyish-white crystals or powder |
| Usage | A toxic metabolite of Tartrazine (T007700). Used as Ehrlich’s reagent, for detecting of nitrites. Antibacterial. |
| General Description | White powder with faint purple tinge. Grayish-white flat crystals. Becomes anhydrous at around 212°F. Low toxicity (used medicinally). |
| Air & Water Reactions | Insoluble in water. |
| Reactivity Profile | Sulfanilic acid is an amino acid. Reacts weakly with both acids and bases. |
| Fire Hazard | Flash point data for Sulfanilic acid are not available, however Sulfanilic acid is probably combustible. |