Chromotropic acid disodium salt dihydrate

Chromotropic acid disodium salt dihydrate is a tan colored sodium salt.

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Catalog Number	CBB1112316
Alternative Name(s)	4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt; 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt
Molecular Formula	(HO)2C10H4(SO3Na)2·2H2O
CAS#	5808-22-0
Purity	>79%
Inchi	1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;21H2/q;2+1;;/p-2
Inchi Key	QUEAKWJKJBFNEG-UHFFFAOYSA-L
SMILES	O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
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