3-Hydroxy-2-naphthoic acid hydrazide

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

3-Hydroxy-2-naphthoic acid hydrazide 2-hydroxynaphthalene-1,4-dione CAS:5341-58-2

Product Name：3-Hydroxy-2-naphthoic acid hydrazide
CAS No.： 5341-58-2

Appearance: maize-yellow powder
Molecular formula:C₁₁H₁₀N₂O₂
Molecular weight: 202.21
CAS: 5341-58-2
Melting point: 204-206℃

Structural formula：
3-Hydroxy-2-naphthoic acid hydrazide

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies