Kaiyuan Chemicals Co., Ltd.
Renowned Chemicals Manufacturer & Exporter in China.

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L-Cystine | L-Leucine | L-Tyrosine | Hydroquinone | P-Benzoquinone

Quinizarin | 1,4-Dihydroxy Anthraquinone Leuco compound

1,4-Diamino Anthraquinone Leuco Naphthol series

Chemical Manganese Dioxide | Manganese Carbonate | Iron Oxide Black

Benzaldehyde | Benzyl Chloride | NPK Component Fertilizer | Urea

Phthalic anhydride(PA) | Dioctyl phthalate(DOP) 

Dibutyl phthalate | Diisobutyl phthalate | Manganese Chloride Tetrahydrate

Naphthol series

Naphthol AS Naphthol AS-D
Synonyms: Naphthol AS;  2-Hydroxy-3-(phenylcarbamoyl)naphthalene; Synonyms: Naphthol AS-D
product: Naphthol  AS product: Naphthol  AS-D
Index Number: Azoic Coupling Component 2(37505) Index Number: C.I.Azoic Coupling Component 18 (37520)
Molecular Formula: C26H29NO3 Molecular Formula: C18H15NO2
Structural Formula: Structural Formula:
Molecular Weight: 263 Molecular Weight: 277
Appearance: Beige powder Appearance: Beige brown powder
Purity: ≥98.5% Purity: ≥98.5%
Color shade: Similar Color shade: Similar
Strength: 100±3 Strength: 100±3
Melting Point: 246℃ Melting Point: 194℃
Bon Acid Content: ≤0.1% Bon Acid Content: ≤0.1%
Alkali Insoluble: ≤0.15% Alkali Insoluble: ≤0.15%
Usage: most commonly used primer,widely used in the dyeing and printing in cotton fabrics. Usage: Mainly used as primer of  dyeing and printing in cotton fabric, and used in organic pigment intermediates and rapidogen dye

 

Naphthol AS-E Naphthol AS-PH
Synonyms: Naphthol AS-E Synonyms: Naphthol AS-PH
product: Naphthol  AS-E product: Naphthol  AS-PH
Index Number: Azoic Coupling Component 10 (37510) Index Number: C.I.Azoic Coupling Component 14 (37558)
Molecular Formula: C17H12O2NCL Molecular Formula: C19H17NO3
Structural Formula:
Structural Formula:
Molecular Weight: 297.5 Molecular Weight: 307
Appearance: light Beige powder Appearance: light Beige powder
Purity: ≥98.5% Purity: ≥98.5%
Color shade: Similar Color shade: Similar
Strength: 100±3 Strength: 100±3
Melting Point: 257℃ Melting Point: 157℃
Bon Acid Content: ≤0.1% Bon Acid Content: ≤0.1%
Alkali Insoluble: ≤0.15% Alkali Insoluble: ≤0.15%
Usage: mainly used in dyeing of cotton fabrics, cotton yarns,whalen. Nylon. Viscose fiber and silk Usage: mainly used in primer of  dyeing and printing of cotton fabric, used in primer after mixing with Naphthol AS - D, 

 


 
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