NAPHTHOL AS-PH

Product name:

NAPHTHOL AS-PH

Index No.:

C.I.Azoic Coupling Component 14 (37558)

Molecular formula:

C₁₉H₁₇NO₃

Structural formula:

Molecular weight:

307.43

Appearance:

Beige powder

Assay:

≥99%

Color light:

Near to standard substance

Intensity, molecule:

100±3 of standard substance

Melting point(dry product):

157°C

2.3 acid content:

≤0.09%

Unsoluble substance content in basic liquor:

≤0.13%

Use:

Intermediates of organic pigments