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  4. Hydroxy naphthol blue disodium

Hydroxy naphthol blue disodium, an azo dye, is a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions ( λmax = 650 nm). In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and to deep blue in the presence of disodium EDTA.

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Hydroxy naphthol blue disodium Chemical Structure

Hydroxy naphthol blue disodium Chemical Structure

CAS No. : 165660-27-5

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Hydroxy naphthol blue disodium Related Antibodies

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Description

Hydroxy naphthol blue disodium, an azo dye, is a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions ( λmax = 650 nm). In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and to deep blue in the presence of disodium EDTA[1].

Molecular Weight

598.49

Formula

C20H12N2Na2O11S3
CAS No.
SMILES

O=C1C=C(S(=O)(O)=O)C2=CC=CC=C2/C1=N/NC3=C(O)C(S(=O)(O[Na])=O)=CC4=CC(S(=O)(O[Na])=O)=CC=C43
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Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
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Hydroxy naphthol blue disodium Related Classifications

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Hydroxy naphthol blue disodium165660-27-5Fluorescent Dyecalcium indicatoralkaline earth metal ionsEDTAazo dyeInhibitorinhibitorinhibit

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HY-W151206
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