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19700-42-6

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19700-42-6 Structure

19700-42-6 Structure
IdentificationBack Directory
[Name]

3-Hydroxynaphthalene-1-carboxylic acid
[CAS]

19700-42-6
[Synonyms]

3-Hydroxynaphthalene-1-carboxylic acid
1-Naphthalenecarboxylic acid, 3-hydroxy-
[Molecular Formula]

C11H8O3
[MDL Number]

MFCD17011843
[MOL File]

19700-42-6.mol
[Molecular Weight]

188.18
Chemical PropertiesBack Directory
[Melting point ]

242-243 °C
[Boiling point ]

450.6±28.0 °C(Predicted)
[density ]

1.399±0.06 g/cm3(Predicted)
[pka]

3.61±0.10(Predicted)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H312-H332
[Precautionary statements ]

P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P330-P363-P501
Hazard InformationBack Directory
[Chemical Properties]

3-Hydroxy-1-naphthoic acid [19700-42-6], mp 248 – 249℃, gives a reddish brown color with iron(III) chloride. Coupling with diazo compounds occurs in the 4-position.
[Synthesis]

3-Hydroxy-1-naphthoic acid is prepared by hydrolysis of diazotized 3-amino-1-naphthoic acid with boiling aqueous copper sulfate.
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