Sulfosalicylic acid
- CAS NO.：97-05-2
- Empirical Formula: C7H6O6S
- Molecular Weight: 218.18
- MDL number: MFCD00007508
- EINECS: 202-555-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:15
What is Sulfosalicylic acid ?
Chemical properties
Colorless crystals, colored pink by traces of iron. Very soluble in water.
The Uses of Sulfosalicylic acid
Sulfosalicylic Acid is a benzoic acid derivative with acetylcholinesterase inhibitory properties.
The Uses of Sulfosalicylic acid
Reagent for albumin, colorimetric reagent for ferric ion, intermediate for dyes, surfactants, catalysts, grease additives.
Definition
ChEBI: An arenesulfonic acid that is benzoic acid substituted by a hydroxy at position C-2 and a sulfo group at C-5.
Production Methods
Sulfosalicylic acid is obtained by heating one part of salicylic acid with 5 parts of concentrated sulfuric acid. It can also be prepared from the sulfochloride.
What are the applications of Application
2-Hydroxy-5-sulfobenzoic acid (Sulfosalicylic acid) forms a dihydrate and is used in analytical chemistry to detect albumins, iron, and mercury. Applications described in patents include the use as a heat stabilizer for polyacrylonitrile, as an additive used in the anodizing of metals, and – as a tributyltin compound – as an agent for the antibacterial protection of organic materials. The acid is also claimed to be suitable for a pregnancy test for horses.
Flammability and Explosibility
Not classified
Properties of Sulfosalicylic acid
| Melting point: | 120°C |
| Boiling point: | 328.86°C (rough estimate) |
| Density | 1.7563 (rough estimate) |
| vapor pressure | 0.005Pa at 20℃ |
| refractive index | 1.5300 (estimate) |
| pka | -0.62±0.50(Predicted) |
| form | Liquid |
| color | Clear |
| Water Solubility | 987g/L at 20℃ |
| InChI | InChI=1S/C7H6O6S/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10/h1-3,8H,(H,9,10)(H,11,12,13) |
| CAS DataBase Reference | 97-05-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 2-hydroxy-5-sulfo-(97-05-2) |
| EPA Substance Registry System | Benzoic acid, 2-hydroxy-5-sulfo- (97-05-2) |
Safety information for Sulfosalicylic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. 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 Sulfosalicylic acid
| InChIKey | YCPXWRQRBFJBPZ-UHFFFAOYSA-N |
| SMILES | C(O)(=O)C1=CC(S(O)(=O)=O)=CC=C1O |
Sulfosalicylic acid manufacturer
Belami Fine Chemicals Private Limited
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