Sodium anthraquinone-2-sulfonate
Synonym(s):9,10-Dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt;Anthraquinone-2-sulfonic acid sodium salt
- CAS NO.：131-08-8
- Empirical Formula: C14H9NaO5S
- Molecular Weight: 312.27
- MDL number: MFCD00001229
- EINECS: 205-009-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is Sodium anthraquinone-2-sulfonate?
Chemical properties
beige powder
What are the applications of Application
Anthraquinone-2-sulfonic acid sodium salt is an substituted anthraquinone compound
Flammability and Explosibility
Not classified
Synthesis
Anthraquinone-2-sulfonic acid , Na salt, also called silver salt, Mr 288.3, is prepared by sulfonation in the absence of mercury (e.g., according to the procedure cited in). The acid also can be obtained from the 1,6- (or 1,7-) disulfonic acid by desulfonation at the α position in dilute sulfuric acid .
Purification Methods
It crystallises from H2O or MeOH (charcoal). [Costa and Bookfield J Chem Soc, Faraday Trans 1 82 991 1986, Beilstein 11 IV 671.]
Properties of Sodium anthraquinone-2-sulfonate
| Melting point: | >300 °C(lit.) |
| Density | 1.66[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Store below +30°C. |
| Water Solubility | Soluble in hot water, cold water and insoluble in alcohol or ether. |
| BRN | 3580452 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 131-08-8(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Anthracenesulfonic acid, 9,10-dihydro-9,10-dioxo-, sodium salt (131-08-8) |
Safety information for Sodium anthraquinone-2-sulfonate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Sodium anthraquinone-2-sulfonate
Sodium anthraquinone-2-sulfonate manufacturer
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