2-hydroxy-5-sulfobenzoic acid
5-sulphosalicylic acid
CAS: 97-05-2
Molecular Formula: C7H6O6S
2-hydroxy-5-sulfobenzoic acid - Names and Identifiers
| Name | 5-sulphosalicylic acid |
| Synonyms | cp18121 5-Sulfosalicylic 5-Sulfosalicylate Sulfosalicylic acid 5-sulfo-salicylicaci 5-Sulfosalicylic Acid kalcoloranodizingacid 5-sulphosalicylic acid 5-Sulfo Salicylic Acid Salicylicacid5-sulfonicacid 2-hydroxy-5-sulfobenzoic acid Benzoic acid, 2-hydroxy-5-sulfo- o-Hydroxybenzoicacid5-sulfonicacid (2-hydroxyphenyl)methanesulfonic acid |
| CAS | 97-05-2 |
| EINECS | 202-555-6 |
| InChI | InChI=1/C7H8O4S/c8-7-4-2-1-3-6(7)5-12(9,10)11/h1-4,8H,5H2,(H,9,10,11) |
2-hydroxy-5-sulfobenzoic acid - Physico-chemical Properties
| Molecular Formula | C7H6O6S |
| Molar Mass | 218.18 |
| Density | 1.7563 (rough estimate) |
| Melting Point | 120°C |
| Boling Point | 328.86°C (rough estimate) |
| Water Solubility | 987g/L at 20℃ |
| Vapor Presure | 0.005Pa at 20℃ |
| Appearance | Liquid |
| Color | Clear |
| pKa | -0.62±0.50(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.5300 (estimate) |
| Physical and Chemical Properties | White crystal or crystalline powder, hygroscopic. Melting point 120 ℃, soluble in water and ethanol, soluble in ether. When iron becomes pink, it decomposes into sulfuric acid and salicylic acid at high temperature. 2-Hydroxy-5-sulfobenzoic acid dihydrate [5965-83-3] is a white crystal or crystalline powder. |
| Use | Used as pharmaceutical intermediates for the production of pharmaceutical doxycycline and a rare earth |
2-hydroxy-5-sulfobenzoic acid - Risk and Safety
| UN IDs | UN 1760 |
| Hazard Class | 8 |
| Packing Group | III |
2-hydroxy-5-sulfobenzoic acid - Reference Information
| LogP | -2.13 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | an intermediate of methacycline hydrochloride. It can also be used as an intermediate of dyes and surfactants for the determination of total protein in urine and metal ion chelating agents. Its 0.2M aqueous solution is used as a reagent for the Photometric Determination of uranium, ferric ions (λmax 425nm, λ5800) and fluoride ions (indirect). Organic catalysts, lubricating oil additives. used as a pharmaceutical intermediate, used in the production of doxycycline and lanthanomycin |
| production method | is prepared by sulfonation of salicylic acid. |
Last Update：2024-04-09 20:52:54
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