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Postion:Product Catalog >Dyes and Pigments>dye>Direct Dyes>Direct Blue 71
Direct Blue 71
  • Direct Blue 71

Direct Blue 71

Price Get Latest Price
Package 25kg
Min. Order: 25kg
Supply Ability: 20mt
Update Time: 2022-12-30

Product Details

Product Name: Direct Blue 71 CAS No.: 4399-55-7
EC-No.: 224-531-4 Min. Order: 25kg
Purity: 1 Supply Ability: 20mt
Release date: 2022/12/30

TECHNICAL   DATA   SHEET

NO:DDB00044

Product name:

DIRECT BLUE  71

Chemical Structure:

Triazo

Chemical Formula:

C40H23N7Na4O13S4

CAS No.

4399-55-7

Molecular Weight:

1029.88

EINECS No.

224-531-4

C.I.

34140

Molecular Structure:

Article illustration

Appearance:

Shade:

Strength:

Soluble:

Moisture:

Solubility:

Insoluble:

Fineness (80mash):

PH value:

Dark blue powder.

Similar to the standard.

Corresponding to standard 100±3%

Soluble in water/ethanol.

≤7.0%

≥5g/L

≤0.5%

≤5.0%

9-10

Application:

It is mainly used to dye cotton, hemp, mucilage glue, silk, Nitrilon, and mucilage or cotton mixed textile fabrics. It is also employed in pigmentation of leather, pulp, and soap etc.

Note: Our specification stated above is base on our present state of knowledge and only providing general notes on our products and their uses.


Company Profile Introduction

Winchem Industrial Co. Ltd is a leading manufacturer and exporter of Dyestuffs and Pigments for textiles, paper, plastics, inks, coating and other industries. Our company located in Ningbo, Zhejiang province, beautiful port city in East China, also near Shanghai seaport with convenient transportation. The major of our products are exported to Europe, North America, South America and Asia etc., and our service and quality are well accepted by the customers. Our lab is equipped with state-of-art instruments to control quality from batch to batch, and can guarantee the quality stable of our products. And most of our products comply with relative legislation to heavy metal content and aromatic amines.

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Winchem industrial co limited

5YR ChinaChina
  • Since: 2015-11-26
  • Address: RM905 BLOCK3 EAST BUSINESS CENTER YINZHOU DISTRICT NINGBO
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