Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 53:1,C.I.15585:1

Molecular Structure: Single azo

Molecular Formula:C₁₇H₁₃ClN₂O₄S

Molecular Weight: 376.81

CAS Registry Number:5160-02-1

Manufacturing Methods :2-Amino-5-chloro-4-methylbenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling, and then into barium salt.

Properties and Applications:yellow red, pale pink. Slightly soluble in water and ethanol, not soluble in acetone and benzene. In concentrated sulfuric acid for cherry red, dilution after brown light red precipitation; In 10% sodium hydroxide solution slightly soluble, for yellow; In the potassium hydroxide ethanol solution for dark brown light red. Pigment solution to join concentrated hydrochloric acid red precipitation; Join concentrated sodium hydroxide solution have brick red precipitation.

Light Fastness	Heat resistance(℃ )		Sodium carbonate(5%)	Muriatic acid(5%)	Oleic acid	PVC migration	Soap micelle bleeding
	Melting point	Stable
General		Stable to 150	Well	Well	Well		Bleeding

List of Suppliers:

Nantong Zhengyan Pigments Chemical Co., Ltd.

Jiangsu Multicolor Fine Chemical Industry Co.,Ltd.

HANGZHOU XIAOSHAN MINGSHENG INTERNATIONAL TRADE CO. LTD

Baoyuan Chemical Industry Co., Ltd

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DCC 2518 Red Lake C (Dominion Colour Corp.)

DCC 2519 Red Lake C (Dominion Colour Corp.)

DCC 2520 Red Lake C(Dominion Colour Corp.)

DCC 2521 Red Lake C (Dominion Colour Corp.)

DCC 8512 Red Lake C (HS)(Dominion Colour Corp.)

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