Sodium 2-anthraquinonesulfonate
Chemical compound
From Wikipedia, the free encyclopedia
Sodium 2-anthraquinonesulfonate (AMS) is a water-soluble anthraquinone derivative. In the laboratory it can be prepared by sulfonation of anthraquinone.[1]
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| Names | |
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| Preferred IUPAC name
Sodium 9,10-dioxo-9,10-dihydroanthracene-2-sulfonate | |
| Other names
Sodium 2-anthrachinonesulphonate; 2-Anthraquinone sodium sulfonate; Silver salt | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.004.555 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C14H7NaO5S | |
| Molar mass | 310.25 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Digester additive in papermaking
AMS is used as a catalyst in the production of alkaline pulping in the soda process. It goes through a redox cycle similar to that of anthraquinone to give a catalytic effect. AMS was discovered as an efficient pulping catalyst before anthraquinone,[2] but has a higher cost.