2-hydroxy-5-sulfonatobenzoate
5-Sulfosalicylic acid dihydrate
CAS: 5965-83-3
Molecular Formula: C7H10O8S
2-hydroxy-5-sulfonatobenzoate - Names and Identifiers
| Name | 5-Sulfosalicylic acid dihydrate |
| Synonyms | 5-Sulfosalicyic acid 2-hydroxy-5-sulfonatobenzoate Sulfosalicylic acid, dihydrate 5-Sulfosalicylic acid dihydrate Sodium Sulfosalicylate Dihydrate Salicylic acid, 5-sulfo-, dihydrate 5-SULFOSALICYLIC ACID DIHYDRATE*ELEC 2-Hydroxy-5-sulfobenzoic acid dihydrate Benzoicacid,2-hydroxy-5-sulfo-,dihydrate 5-SULFOSALICYLIC ACID DIHYDRATE*ACS REAGENT 3-Carboxy-4-hydroxybenzenesulfonic acid dihydrate 5-SULFOSALICYLIC ACID DIHYDRATE, FOR ELE CTROPHORESIS 5-SULFOSALICYLIC ACID-2-HYDRATE R. G. AN D FOR METAL TITRATION, REAG. ACS |
| CAS | 5965-83-3 |
| EINECS | 641-618-6 |
| InChI | InChI=1/C7H6O6S.2H2O/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);2*1H2 |
| InChIKey | BHDKTFQBRFWJKR-UHFFFAOYSA-N |
2-hydroxy-5-sulfonatobenzoate - Physico-chemical Properties
| Molecular Formula | C7H10O8S |
| Molar Mass | 254.21 |
| Density | 0,8 g/cm3 |
| Melting Point | 105-110°C(lit.) |
| Boling Point | 100 °C |
| Flash Point | 150°C |
| Water Solubility | SOLUBLE |
| Solubility | H2O: 1M at20°C, clear, colorless |
| Vapor Density | 0.62 (vs air) |
| Appearance | Powder |
| Color | White |
| Odor | Odorless |
| Merck | 14,8964 |
| BRN | 650741 |
| Storage Condition | Store below +30°C. |
| Stability | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
| Sensitive | Light Sensitive |
2-hydroxy-5-sulfonatobenzoate - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. |
| UN IDs | UN 3261 8 / PGII |
| WGK Germany | 3 |
| RTECS | VO6500000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 2918 29 00 |
| Hazard Class | 8 |
| Toxicity | LD50 orally in Rabbit: 1850 mg/kg |
2-hydroxy-5-sulfonatobenzoate - Nature
Open Data Verified Data
White Crystal or crystalline powder. Easy to absorb moisture. It turned red in case of iron. It is decomposed into phenol and salicylic acid at high temperature. Soluble in water, ethanol, soluble in ether. mp was about 120 °c (as anhydrous).
Last Update：2024-01-02 23:10:35
2-hydroxy-5-sulfonatobenzoate - Preparation Method
Open Data Verified Data
obtained by sulfonation of salicylic acid and concentrated sulfuric acid.
Last Update：2022-01-01 09:26:45
2-hydroxy-5-sulfonatobenzoate - Use
Open Data Verified Data
for cerebrospinal fluid test, urine protein and iron test. A reagent for measuring aluminum, beryllium, calcium, chromium, copper, iron, lead, magnesium, sodium, titanium, thallium, nitrate, etc.
Last Update：2022-01-01 09:26:45
2-hydroxy-5-sulfonatobenzoate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as biochemical reagent, analytical reagent and complexation indicator |
Last Update：2024-04-09 21:04:16
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