5-Sulfosalicylic acid dihydrate
SIGMA/S7422 - BioXtra, ≥99.0%
Synonym: 2-
CAS Number: 5965-83-3
Empirical Formula (Hill Notation): C7H6O6S · 2H2O
Molecular Weight: 254.21
EC Number: 202-555-6
MDL Number: MFCD00149540
Linear Formula: HO3SC6H3-2-(OH)CO2H·2H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤0.001% |
| sulfate (SO42-): ≤0.1% | |
| assay | ≥99.0% |
| cation traces | Al: ≤0.002% |
| Ca: ≤0.005% | |
| Cu: ≤0.0005% | |
| Fe: ≤0.002% | |
| K: ≤0.005% | |
| Mg: ≤0.0005% | |
| Na: ≤0.005% | |
| NH4+: ≤0.05% | |
| Pb: ≤0.001% | |
| Zn: ≤0.0005% | |
| functional group | carboxylic acid |
| sulfonic acid | |
| grade | BioPerformance Certified |
| ign. residue | ≤0.1% |
| impurities | ≤0.0005% Phosphorus (P) |
| ≤0.02% Insoluble matter | |
| InChI | 1S/C7H6O6S.2H2O/c8-6-2-1- |
| InChI key | BHDKTFQBRFWJKR-UHFFFAOYSA |
| mp | 105-110 °C (lit.) |
| product line | BioXtra |
| Quality Level | 200 ![]() |
| SMILES string | [H]O[H].[H]O[H].OC(=O)c1c |
| solubility | H2O: 1 M, clear, colorless |
| General description: | 5-Sulfosalicylic acid dihydrate is a poly functional metal chelating agent. Within industry, it is used in the manufacture of organic catalysts and grease additives. Additionally, it serves as a colorimetric reagent for the detection of ferric ions, producing a violet color. This characteristic is particularly valuable for quantifying the amount of albumin in urine. |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3261 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | 105-110 °C (lit.) |
| UNSPSC | 12352100 |


