219916
Hydroxy naphthol blue disodium salt
ACS reagent
Synonym(s):
disodium;3-hydroxy-4-[(2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl]-7-sulfonaphthalene-2-sulfonate
About This Item
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![Disodium 3-hydroxy-4-[(E)-(2-hydroxy-6-sulfo-3-sulfonato-1-naphthyl)diazenyl]-1-naphthalenesulfonate AldrichCPR](/deepweb/assets/sigmaaldrich/product/structures/338/141/02cdb19c-4f8b-4513-9c78-e1acaf725a9b/640/02cdb19c-4f8b-4513-9c78-e1acaf725a9b.png)
grade
ACS reagent
Quality Level
form
powder, crystals or granules
pH
7.9
mp
274 °C
solubility
water: soluble
density
2.130 g/cm3
λmax
650 nm
suitability
passes test for determination of calcium
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
Oc1cc(c2ccccc2c1N=Nc3c(O)c(cc4cc(ccc34)S(=O)(=O)O[Na])S(=O)(=O)O[Na])S(O)(=O)=O
InChI
1S/C20H14N2O11S3.2Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
InChI key
WPDDXLRAJOPBIR-UHFFFAOYSA-L
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General description
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
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