Naphthol AS-OL

Product name:

Naphthol AS-OL

Index No.:

Azoic Coupling Component 20(37530)

Molecular formula:

C₁₈H₁₅NO₃

Structural formula:

Molecular weight:

293.30

Appearance:

Beige powder

Assay:

≥99%

Color light:

Near to standard substance

Intensity, molecule:

100±5 of standard substance

Melting point(dry product):

162°C

2.3 acid content:

≤0.1%

Unsoluble substance content in basic liquor:

≤0.15%

Use:

Intermediates of organic pigments