A200252 | 1-Naphthol (Reag. USP, Ph. Eur.) ANALYTIC

CAS Number

90-15-3

Formula

C10H8O

Weight

M: 144,17 EC: 201-969-4 NC: 2907 15 10

Signal Word: Danger

75 H312-H302-H335-H315-H318

 

Specifications
Minimum assay (G.C.) 99,0 %
Identity IR p/t.
Melting range 95-97°C
MAX. IMPURITIES
Insoluble matter in CH3OH 0,01 %
Residue on ignition (as SO4) 0,01 %
Acidity p/t.
Naphthalene (G.C.) 0,2 %
2-Naphthol (G.C.) 0,2 %
Water (H2O) 0,2 %
Chloride (Cl) 0,005 %
Cd 0,0005 %
Co 0,0005 %
Cr 0,0005 %
Cu 0,0005 %
Fe 0,0005 %
Ni 0,0005 %
Pb 0,0005 %
Zn 0,0005 %
Minimum assay (G.C.) 99,0 %
Identity IR p/t.
Melting range 95-97°C
MAX. IMPURITIES
Insoluble matter in CH3OH 0,01 %
Residue on ignition (as SO4) 0,01 %
Acidity p/t.
Naphthalene (G.C.) 0,2 %
2-Naphthol (G.C.) 0,2 %
Water (H2O) 0,2 %
Chloride (Cl) 0,005 %
Cd 0,0005 %
Co 0,0005 %
Cr 0,0005 %
Cu 0,0005 %
Fe 0,0005 %
Ni 0,0005 %
Pb 0,0005 %
Zn 0,0005 %

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