Bathophenanthrolinedisulfonic acid disodium saltA stain for iron detection

Bathophenanthrolinedisulfonic acid disodium salt (CAS 52746-49-3)

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Synonym: 4,7-Diphenyl-1,10-phenanthrolinedisulfonic acid disodium salt hydrate
Application: A stain for iron detection
CAS Number: 52746-49-3
Purity: ≥95%
Molecular Weight: 536.49
Molecular Formula: C24H14N2Na2O6S2
* Refer to Certificate of Analysis for lot specific data (including water content).
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Bathophenanthrolinedisulfonic acid disodium salt is a colorimetric reagent for iron detection, where it chelates with Fe(II) at pH 2-9. The red color complex can be extracted with isoamylalcohol. This compound is also used in ruthenium II tris (bathophenanthroline disulfonate), a fluorescent metal chelate used for staining proteins separated by electrophoresis (RuBPS stain).


1. Landers, J.W., et al. 1958. Am. J. Clin. Pathol. 29: 590-592. PMID: 13533371
2. Berger, K., et al. 2004. Mol Cell Endocrinol. 227: 21-30. PMID: 15501581

Appearance :
Physical State :
Solubility :
Soluble in water
Storage :
Store at room temperature
Melting Point :
300° C (lit.)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
PubChem CID :
MDL Number :
EC Number :

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Bathophenanthrolinedisulfonic acid disodium salt  Product Citations

See how others have used Bathophenanthrolinedisulfonic acid disodium salt. Click on the entry to view the PubMed entry .

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PMID: # 20699398  Chen, WW. et al. 2010. Plant Physiol. 154: 810-819.

Citations 1 to 1 of 1 total

How do you dilute this product:sc-206028A to 350 μM or 500 μM?

Asked by: Yi Maixiang
Thank you for your question. We do not have a dilution protocol, this is soluble in water at 100 mg/mL.
Answered by: Technical Support
Date published: 2017-10-31
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