165660-27-5
Chemical Structure
Hydroxy naphthol blue disodium
- CAS No.: 165660-27-5
- Formula:C20H12N2Na2O11S3
- Molecular Weight:598.49
IUPAC Name: sodium (Z)-3-hydroxy-4-(2-(2-oxo-4-sulfonaphthalen-1(2H)-ylidene)hydrazinyl)naphthalene-2,7-disulfonate
InChIKey: RNIHLJJQQPAEAV-LUUCHEBKSA-L
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
Biological Activity: Hydroxy naphthol blue disodium is an azo dye compound commonly used as an acid-base indicator (λmax = 650 nm). Within the pH range of 12 to 13, the indicator solution of Hydroxy naphthol blue disodium appears pale red in the presence of calcium ions and dark blue in the presence of disodium EDTA[1][2].
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Hydroxy naphthol blue disodium | Hydroxy naphthol blue disodium is an azo dye compound commonly used as an acid-base indicator (λmax = 650 nm). Within the pH range of 12 to 13, the indicator solution of Hydroxy naphthol blue disodium appears pale red in the presence of calcium ions and dark blue in the presence of disodium EDTA. | |||||||||||||||||||||
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- [1]. Goto M, et al. Colorimetric detection of loop-mediated isothermal amplification reaction by using hydroxy naphthol blue. Biotechniques. 2009;46(3):167-172. [Content Brief]
- [2]. Logeshwari R, et al. A colorimetric hydroxy naphthol blue based loop-mediated isothermal amplification detection assay targeting the β-tubulin locus of Sarocladium oryzae infecting rice seed. Front. Plant Sci. 13:1077328.
Keywords
