Sulfanilic acid
Synonym(s):4-Aminobenzenesulfonic acid;4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid;Aniline-4-sulfonic acid;Sulfanilic acid;Sulfanilic acid solution
- CAS NO.：121-57-3
- Empirical Formula: C6H7NO3S
- Molecular Weight: 173.19
- MDL number: MFCD00007886
- EINECS: 204-482-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-09-08 21:17:32
What is Sulfanilic acid?
Description
Sulfanilic acid (4-amino benzene sulfonic acid ) is an off-white crystalline solid which finds application in quantitative analysis of nitrate and nitrite ions. The solid acid exists as a zwitterion, and has an unusually high melting point.
The Uses of Sulfanilic acid
Sulfanilic Acid (Sulfadimethoxine EP Impurity D) is a toxic metabolite of Tartrazine (T007700). Used as Ehrlich’s reagent, for detecting of nitrites. Antibacterial.
What are the applications of Application
Sulfanilic acid is a Tartrazine metabolite used for detection of nitrites
Properties of Sulfanilic acid
| Melting point: | >300 °C(lit.) |
| Boiling point: | 288 ℃ |
| Density | 1.485 |
| storage temp. | Store below +30°C. |
| solubility | 10g/l |
| form | solid |
| color | White to Off-White |
| Water Solubility | 0.1 g/100 mL (20 ºC) |
Safety information for Sulfanilic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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. Continuerinsing. |
Computed Descriptors for Sulfanilic acid
| InChIKey | HVBSAKJJOYLTQU-UHFFFAOYSA-N |
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