Chromophenol AS-D

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Chromophenol AS-D

CAS NO.： 135-61-5

FOB Price： NEGOTIABLE Get Latest Price

Specification： ≥98.5%

Documentation： Get COA after inquiry

Lead Time： 14-30 days

Max Capacity： -

Packing： 25KG/Fibre Drum

Product Detail

Properties

Chromophenol AS-D

Alias：Naphthol AS-D

Index number：C.I.Azoic Coupling Component 18 (37520)

Molecular formula：C18H15NO2

Structural formula：

Molecular weight: 277

Appearance：beige powder

Content：≥98.5%

Color light: similar to the standard

Strength, score：Standard 100±3

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.

Properties

Azoic Coupling Component 18 is mainly used in the production of insoluble azo dyes and in the dyeing and printing of cotton fibers, viscose fibers and some synthetic fibers. It is the main red primer for dyeing cotton fibers. The performance is similar to that of chlorophenol as, so it can be mixed to adjust the shade. Jujube red with red base B and rose red with red base RL. It is also used for dyeing vinylon, viscose fiber, silk and diacetate fiber. As-d is used as a base agent for cotton printing. It can produce orange, red, purple and blue colors with different color bases. It has low affinity to cotton and medium coupling ability. It is also used to make fast pigment and lake pigment.

CAS No.

135-61-5

Formula

C18H15NO2

Molecular Mass

277.31700

Exact Mass

277.11000

PSA

49.33000

Logp

4.17910