Chromophenol as-d

Alias:nafto as-d

English Name:naphthol as-d

Index number:c.i.azoic coupling component 18 (37520)

Molecular formula:c18h15no2

Structural formula:

Molecular weight: 277

Appearance:beige powder


Color light: similar to the standard

Strength, score:Standard 100±three

Melting point of dry product:194℃

2.3 acid content:≤0.1%

Content of insoluble impurities in lye:≤0.15%

Uses: it is mainly used as a base agent for dyeing and printing of cotton fabric, and as an intermediate of fast pigment and organic pigment.

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