铬变酸二钠盐二水合物 [变色酸钠]，Chromotropic acid disodium salt dihydrate；reagent grade, ≥95.0%

等级

reagent grade

质量水平

200

测定

≥95.0%

杂质

8-10% water

mp

>300 °C (lit.)

SMILES string

O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O

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);;;2*1H2/q;2*+1;;/p-2

InChI key

QUEAKWJKJBFNEG-UHFFFAOYSA-L