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126225 Sigma-Aldrich

Chromotropic acid disodium salt dihydrate

technical grade

Synonym: 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt

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Properties

Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfonic/Sulfinic Acids, Sulfur Compounds More...
Quality Level   200
grade   technical grade
assay   ≥78.5%
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

Description

General description

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

Application

Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.

Packaging

100, 500 g in poly bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Meet Synthia - Retrosynthesis Sofware
Protocols & Articles
Peer-Reviewed Papers
15

References

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