| Specifications | |
|---|---|
| Assay (acidimetric) | 99.0 - 102.0 % |
| Identity (IR-spectrum) | passes test |
| Matter insoluble in sodium carbonate solution | ≤ 0.01 % |
| Chloride (Cl) | ≤ 0.002 % |
| Nitrite (NO₂) | ≤ 0.5 ppm |
| Sulphate (SO₄) | ≤ 0.01 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| TLC-Test | passes test |
| Sulfated ash | ≤ 0.01 % |
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Key Spec Table
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass | Grade Value |
|---|---|---|---|---|---|
| 121-57-3 | 204-482-5 | C₆H₇NO₃S | NH₂C₆H₄SO₃H | 173.18 g/mol | ACS,Reag. Ph Eur |
| Description | |
|---|---|
| Catalogue Number | 100686 |
| Synonyms | 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid |
| Description | Sulfanilic acid |
| Product Information | |
|---|---|
| CAS number | 121-57-3 |
| EC index number | 612-014-00-X |
| EC number | 204-482-5 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C₆H₇NO₃S |
| Chemical formula | NH₂C₆H₄SO₃H |
| Molar Mass | 173.18 g/mol |
| HS Code | 2921 42 00 |
| Structure formula Image | |
| Applications | |
|---|---|
| Application | Sulfanilic acid GR for analysis ACS,Reag. Ph Eur. CAS 121-57-3, EC Number 204-482-5, chemical formula NH₂C₆H₄SO₃H. Sulfanilic acid MSDS (material safety data sheet) or SDS, storage and handling info here. Synonyms: 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid |
| Physicochemical Information | |
|---|---|
| Density | 1.485 g/cm3 (25 °C) |
| Ignition temperature | >400 °C |
| Melting Point | 288 °C decomposes |
| pH value | 2.5 (10 g/l, H₂O, 20 °C) |
| Bulk density | 620 kg/m3 |
| Solubility | 10 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 12300 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |  |
| Hazard Statement(s) | H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. |
| Precautionary Statement(s) | P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Safety Information | |
|---|---|
| Hazard Symbols |  Irritant |
| Categories of danger | irritant, sensitizing |
| R Phrase | R 36/38-43 Irritating to eyes and skin.May cause sensitisation by skin contact. |
| S Phrase | S 24-37 Avoid contact with skin.Wear suitable gloves. |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +15°C to +25°C. |
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