Description

Disodium anthraquinone-2,7-disulfonate (CAS No. 853-67-8) is a high-purity, water-soluble anthraquinone derivative widely utilized in research and industrial applications. With the molecular formula C₁₄H₆Na₂O₈S₂, this compound serves as a critical redox mediator in electrochemical systems, including flow batteries and fuel cells, due to its excellent electron-transfer properties. Its bright yellow-orange color also makes it suitable as a dye intermediate or pH indicator in analytical chemistry. The product is supplied as a fine powder with ≥98% purity, ensuring consistency for sensitive laboratory and industrial processes. Store in a cool, dry place away from light to maintain stability.

Properties

• CAS Number: 853-67-8
• Complexity: 669
• IUPAC Name: disodium;9,10-dioxoanthracene-2,7-disulfonate
• InChI: InChI=1S/C14H8O8S2.2Na/c15-13-9-3-1-7(23(17,18)19)5-11(9)14(16)12-6-8(24(20,21)22)2-4-10(12)13;;/h1-6H,(H,17,18,19)(H,20,21,22);;/q;2*+1/p-2
• InChI Key: CSCLXYAAXMCWLG-UHFFFAOYSA-L
• Exact Mass: 411.92994806
• Molecular Formula: C14H6Na2O8S2
• Molecular Weight: 412.3
• SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C3=C(C2=O)C=CC(=C3)S(=O)(=O)[O-].[Na+].[Na+]
• Topological: 165
• Monoisotopic Mass: 411.92994806
• Synonyms: Disodium anthraquinone-2,7-disulfonate, DTXSID3061215, Disodium 9,10-dihydro-9,10-dioxoanthracene-2,7-disulphonate, 2,7-Anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-, sodium salt (1:2), DTXCID5048477, 212-718-3, 853-67-8, Anthraquinone-2,7-disulfonic Acid Disodium Salt, Sodium anthraquinone-2,7-disulfonate, Sodium 9,10-dioxo-9,10-dihydroanthracene-2,7-disulfonate, 2,7-Anthracenedisulfonic acid, 9,10-dihydro-9,10-dioxo-, disodium salt, MFCD00053255, disodium;9,10-dioxoanthracene-2,7-disulfonate, Anthraquinone-2,7-disulfonic acid, disodium salt, 2,7-Anthraquinonedisulfonic acid, disodium salt, 2,7-Anthraquinone disulfonic acid, disodium salt, DISODIUM 9,10-DIOXO-9,10-DIHYDROANTHRACENE-2,7-DISULFONATE, disodium 9,10-dioxoanthracene-2,7-disulfonate, NSC-37592, C14H6Na2O8S2, EINECS 212-718-3, NSC 37592, E7RA6Q4AVR, 2,7-ADQS, 2,7-AQDS, SCHEMBL2018086, BCP31949, Natrium-anthrachinon-2,7-disulfonat, AKOS002384470, FA160603, SY053246, DB-076332, A0507, CS-0155715, NS00080094, Disodium 9,10-anthraquinone-2,7-disulfonate, A11618, Anthraquinone-2,7-disulfonic acid disodium salt – 80%, Disodium 9,10-dioxo-9,10-dihydro-2,7-anthracenedisulfonate

Disodium anthraquinone-2,7-disulfonate is primarily employed as a redox-active material in energy storage systems, such as quinone-based flow batteries, owing to its reversible electron transfer capabilities. It also functions as a catalyst or intermediate in organic synthesis and dye manufacturing. Researchers leverage its optical properties for photochemical studies and sensor development. In analytical chemistry, it may serve as a pH-sensitive probe or chromophore.

Safety and Hazards

GHS Hazard Statements

• H315 (33.3%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (88.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (22.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (33.3%)
• Eye Irrit. 2 (88.9%)
• STOT SE 3 (22.2%)

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