Anthraquinone-2,6-disulfonic Acid Disodium Salt AQDS CAS 853-68-9
853-68-9 Anthraquinone-2,6-disulfonic Acid Disodium Salt (AQDS), a water-soluble intermediate of the anthraquinone series, is mainly used in dye synthesis and sulfur removal from gas. It is low in toxicity and stable, and is commonly used in the dye and fertilizer industries.
Stability: Stable at room temperature, resistant to acids and alkalis; prone to decomposition upon exposure to strong oxidants.
Purity: Industrial grade ≥ 95%, analytical grade ≥ 98%
| CAS | 853-68-9 |
| Form | Powder |
| Melting point | 325 °C |
| Solubility | Soluble in water, slightly soluble in organic solvents. |
1. Intermediate dyes (mainly)
Anthraquinone-2,6-disulfonic Acid Disodium Salt AQDS is used for synthesizing anthraquinone-based disperse dyes, reactive dyes, and acid dyes (such as disperse blue, reactive brilliant blue)
Key intermediate for preparing reducing dyes and organic pigments
2. Desulfurization catalyst (synthesis ammonia industry)
Anthraquinone-2,6-disulfonic Acid Disodium Salt AQDS is used for desulfurization of water gas / semi-water gas, removing hydrogen sulfide (H₂S) to improve the purity of gas
Function: Oxidative desulfurization + regeneration cycle, reducing energy consumption and reducing pollution
3. Others
Pharmaceutical intermediates, water treatment chelating agents, electronic chemical additives.
• Standard Packing: 25 kg/bag; 25 kg/drum
• MOQ: to be confirmed by grade and destination
• Lead Time: to be confirmed by order quantity and production schedule
• Shipping: sea / air / express options available
• Store in a cool, dry, and well-ventilated place.
• Keep container tightly closed and protected from moisture.
• Avoid direct sunlight, heat, and open flame.
• Follow SDS guidance for incompatible materials.
