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Postion:Product Catalog >Dyes and Pigments>dye>Direct Dyes>Direct Fast Blue B2RL, Direct Blue 71
Direct Fast Blue B2RL, Direct Blue 71
  • Direct Fast Blue B2RL, Direct Blue 71
  • Direct Fast Blue B2RL, Direct Blue 71

Direct Fast Blue B2RL, Direct Blue 71

Price $3
Package 25kg
Min. Order: 25kg
Supply Ability: 20 tons
Update Time: 2022-10-27

Product Details

Product Name: Direct Fast Blue B2RL, Direct Blue 71 CAS No.: 4399-55-7
EC-No.: 224-531-4 Min. Order: 25kg
Purity: 99% Supply Ability: 20 tons
Release date: 2022/10/27

ENGLISH NAME:Direct Fast Blue B2RL

C.I. NO.: 34140,Direct Blue 71
CAS NO: 4399-55-7
EINECS NO: 224-531-4
MOLECULAR FORMULA: C40H23N7Na4O13S4
MOLECULAR WEIGHT: 1029.8688

NO

Name of Item

Unit

Item of Provision

Result of Examination

1

Appearance


Blue Powder

Measure Up

2

Shade(compare with standard)


Similar~ Slight

Similar

3

Strength(is standard)           

%

100±3

100

4

Moisture                       

%

≤5.0

4.21

5

Insoluble                       

%

≤1.0

0.59

6

Fineness(180μm residue on sieve)  

%

≤5.0

Pass

7

Remarks

Qualified Product


Company Profile Introduction

Tianjin XiangRui Dyestuff Co.,Ltd was founded in 1998, specialize in producing and manufacturing direct dyes,acid dyes and basic dyes for different applications such as textile,printing, painting, leather, wood, paper, fertilizer, seeds and so on. Twenty years’ focus on dyes production and research, Tianjin XiangRui has become one of the largest dyes manufacturer and famous supplier,especially a most important exporter in North China,by providing products with superior quality,good service and competitive price.

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