• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • CAS No.: 4399-55-7
  • Other Names: Direct Fast Blue B2RL
  • MF: C40H23N7Na4O13S4
  • EINECS No.: 224-531-4
  • Place of Origin: Tianjin, China (Mainland)
  • Type: Direct Dye
  • Usage: Ink Dyestuffs, Leather Dyestuffs, Paint Dyestuffs, Paper Dyestuffs, Textile Dyestuffs
  • Brand Name: XiangRui
  • Model Number: Direct Fast Blue B2RL
  • Name of product: Direct Fast Blue B2RL / Direct Blue 71
  • C.I.NO: 34140
  • Other Name: Direct Blue 71 (C.I. 34140)
  • Nature: Direct Dye
  • Appearance: powder
  • Strength: 100%
  • Molecular weight: 1029.8688
  • Grade: Industrial Grade
  • Used for: Cotton Viscose Paper Nylon
  • Dyeing Depth: 3%

Packaging & Delivery

Packaging Details: 25KG in Iron Drum 330*430mm / 375*480mm
25KG in Paper Drum 360*480mm / 330*470mm / 400*560mm
25KG in Carton 400*290*340mm
Delivery Detail: 7-14 weekdays

1. Product name


Direct Blue 71 Direct Fast Blue B2RL  Dacron Fabric

2.Company Introduction

  We,TIANJINXiangRui Dyestuff Co.Ltd,are one of the experienced & professional manufacturer & exporter from china offering whole range of dyes.

 We specialize in direct dyes,acid dyes,basic dyes and textile dyes,leather dyes,paper dyes,wood stain/dyes,wool dyes.fibre dyes,cotton dyes,fertilizer dyes,joss stick dyes,cleaning compound dyes for different applications, such as textile dyeing, leather dyeing, paper dyeing,wood coloring, wool coloring, fibre coloring, cotton coloring,fertilizer coloring,joss stick dyeing,cleaning compound coloring and so on


3.Product Basic Information

Mainly used for cellulose fiber fabrics such as cotton and viscose fiber dyeing, also used in silk polyamide fiber and blended fabric dyeing, can also be used for leather, wood and plastic coloring.Can also be used in the manufacture of ink

Name of DyesDirect Blue 71




Water Retting


Perspiration in Acid


Perspiration in Alkline4
Rubbing in Dye3
Rubbing in Wet2
Lead Time     Two Weeks
Grade                                                             Industrial Grade


3.Product Advantage


Is suitable for cotton,nylon,viscose and paper.and also used in fabric‘s printing and discharge.Exhaustion property and dye uniformity is best.











5.Delivery and Shipment

 Lead Time: Normally around 15 days after order confirmation.

 Shipping: By Air, By Sea, By Multimodal Transportation

6. Port of Loading

Tinjin Port,QingdaoPort, Shanghai Port,  any other Chinese port

7. Payment 

Payment terms: T/T; L/C

Specific payment  can be negotiated accordingly. 

8. Sales Network 

Our products have been exported to 52 countries in North America, South America, Europe, Middle East, Southeast Asia, Africa etc.. We’ve established good and stable relationships with all our customers.


11.Company Pictures



Our warehouse can support 20000tons.


Production line

We have advanced production equipment.


This is Our Research Department,the key for future strength in the market.





Our plant is conveniently located near Xingang port & International Air Port of TINJIN.The modern facilities and equipment plants have the combine annual capacity of 20000 tons.The prodution plant consists of five department,as R&D,Lab,PD,Quality Control and Waste Treatment.We emphasizes R&D as the key for future strength in the market.

9.Contact us






We warmly welcome you visitings!



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer
Transaction Level:
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $52,000
Learn More