Bathophenanthrolinedisulphonic acid disodium salt hydrate ≥95%, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: 4,7-Diphenyl-1,10-phenanthrolinedisulphonic acid disodium salt hydrate

M-Clarity™ quality level = MQ200

B1375-1G B1375-500MG B1375-5G
B1375-1GEA 181 GBP
B1375-1G B1375-500MG B1375-5G
Bathophenanthrolinedisulphonic acid disodium salt hydrate ≥95%, Sigma-Aldrich®
Bathophenanthrolinedisulphonic acid disodium salt hydrate

Bathophenanthrolinedisulfonic acid disodium salt hydrate has been used to measure iron to determine the solubility of iron in the biological sample. It has been used as an iron chelator to grow plants without Fe-EDTA (ethylenediaminetetraacetic acid).


Bathophenanthrolinedisulfonic acid is a metal chelator. It permits iron determination to be made in aqueous medium without need for solvent extraction. It forms a complex with Fe2+ and makes it unavailable to Fe2+ transporter, thereby inhibiting the transport of iron into chloroplasts. Bathophenanthrolinedisulfonic acid is also used in the assay for determining intracellular glutathione.

Formula: C₂₄H₁₄N₂Na₂O₆S₂·H₂O
MW: 536,48 g/mol (anhy)
Melting Pt: 300 °C (lit.)
Storage Temperature: Room Temperature
MDL Number: MFCD00149310
CAS Number: 52746-49-3
EINECS: 258-152-0
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Specification Test Results

Appearance (colour) White to Orange and Faint Beige to Beige and Pink
Appearance (form) Powder
Titration (NT) HCLO₄ 0.1M calculated on dry substance
Purity (HPLC area %) ≥ 94.5 %
Solubility (turbidity) Clear to Slightly Hazy
Solubility (method) 100 mg/ml in water
Water Report Result

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