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Hydroxynaphthol Blue (Certified), Fisher Chemical

Used as an indicator for EDTA titrimetric determination of calcium. Color changes from reddish pink to blue

Supplier: Thermo Fisher Scientific H346100

Catalog No. H346-100

Quantity

Specifications

Chemical Name or Material	Hydroxynaphthol Blue
Molecular Formula	C20H11N2Na3O11S3
Synonym	1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt
InChI Key	JQECMNGWLIFQLL-UHFFFAOYSA-K
IUPAC Name	trisodium;3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate
PubChem CID	44134769
Grade	Certified
Suitability	Pass Test
pH	6, 7
Physical Form	Solid

CAS	63451-35-4
MDL Number	MFCD00036393
Identification	Pass Test
SMILES	C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Molecular Weight (g/mol)	620.46
Formula Weight	620.47
Packaging	Glass Bottle
Color	Gray
Quantity	100 g

Chemical Identifiers

CAS	63451-35-4
Molecular Weight (g/mol)	620.46
InChI Key	JQECMNGWLIFQLL-UHFFFAOYSA-K
PubChem CID	44134769
SMILES	C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Molecular Formula	C20H11N2Na3O11S3
MDL Number	MFCD00036393
Synonym	1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt
IUPAC Name	trisodium;3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate

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