Sodium 2-anthraquinonesulfonate

Not to be confused with soluble anthraquinone.
Sodium 2-anthraquinonesulfonate
Names
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)
ChemSpider
ECHA InfoCard 100.004.555 Edit this at Wikidata
UNII
  • InChI=1S/C14H8O5S.Na/c15-13-9-3-1-2-4-10(9)14(16)12-7-8(20(17,18)19)5-6-11(12)13;/h1-7H,(H,17,18,19);/q;+1/p-1 ☒N
    Key: GGCZERPQGJTIQP-UHFFFAOYSA-M ☒N
  • O=C1C2=C(C=CC(S(=O)([O-])=O)=C2)C(C3=CC=CC=C31)=O.[Na+]
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).
☒N verify (what is checkY☒N ?)

Sodium 2-anthraquinonesulfonate (AMS) is a water-soluble anthraquinone derivative. In the laboratory it can be prepared by sulfonation of anthraquinone.[1]

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.

References

  1. ^ Cumming, W. M. (1937). Systematic organic chemistry. p. 325. Retrieved 2016-01-11 – via PrepChem.com.
  2. ^ "Anthraquinone/ alkali pulping. A literature review" (PDF). July 1978.

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