5-Sulfosalicylic acid dihydrate
Synonym(s):2-Hydroxy-5-sulfobenzoic acid;5-Sulfosalicylic acid dihydrate;Salicylsulfonic acid
- CAS NO.:5965-83-3
- Empirical Formula: C7H10O8S
- Molecular Weight: 254.21
- MDL number: MFCD00149540
- EINECS: 641-618-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-31 13:32:20
What is 5-Sulfosalicylic acid dihydrate?
Chemical properties
white crystalline powder
The Uses of 5-Sulfosalicylic acid dihydrate
5-Sulfosalicylic Acid Dihydrate is for reducing and fixation of proteins in agarose and polyacrylamide gels.
The Uses of 5-Sulfosalicylic acid dihydrate
5-Sulfosalicylic acid dihydrate may be used in the preparation of 1:1 proton-transfer organic adduct, 3-aminopyridin-ium 3-carb-oxy-4-hydroxy-benzene-sulfonate monohydrate and the anhydrous adduct.
What are the applications of Application
5-Sulfosalicylic acid dihydrate is for reducing and fixation of proteins in agarose and polyacrylamide gels
General Description
5-Sulfosalicylic acid is a strong acid capable of protonating water. It forms a new theophylline complex, which was investigated by X-ray photoelectron spectroscopy (XPS). It forms 1:1 proton-transfer compounds with the ortho-substituted monocyclic heteroaromatic Lewis bases. Their crystal structures have been studied.
Purification Methods
Crystallise the acid from H2O. Alternatively, it is converted to the monosodium salt which is crystallised from H2O and washed with a little H2O, EtOH and then Et2O. The acid is recovered by acidifying. The S-4-chlorobenzylisothiuronium salt has m 181o (from dioxane). [Beilstein 11 H 411, 11 II 232, 11 III 704.]
Properties of 5-Sulfosalicylic acid dihydrate
Melting point: | 105-110 °C(lit.) |
Boiling point: | 100 °C |
Density | 0,8 g/cm3 |
vapor density | 0.62 (vs air) |
vapor pressure | <1 hPa (20 °C) |
Flash point: | 150°C |
storage temp. | Store below +30°C. |
solubility | H2O: 1 M at 20 °C, clear, colorless |
form | Powder |
color | White |
PH | <0.5 (200g/l, H2O, 20℃) |
Odor | Odorless |
Water Solubility | SOLUBLE |
Sensitive | Light Sensitive |
Merck | 14,8964 |
BRN | 650741 |
Stability: | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
CAS DataBase Reference | 5965-83-3(CAS DataBase Reference) |
NIST Chemistry Reference | Benzoic acid, 2-hydroxy-5-sulfo-, dihydrate(5965-83-3) |
EPA Substance Registry System | Benzoic acid, 2-hydroxy-5-sulfo-, dihydrate (5965-83-3) |
Safety information for 5-Sulfosalicylic acid dihydrate
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 |
GHS Hazard Statements |
H314:Skin corrosion/irritation |
Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 5-Sulfosalicylic acid dihydrate
InChIKey | BHDKTFQBRFWJKR-UHFFFAOYSA-N |
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