COLORCOM LTD.

Pigment,Dyes,Cellulose Ether, Latex Powder,Titanium Dioxide,Iron Oxide,Ultramarine Blue,Mineral Oil, Silicone Oil,Seaweed Extract Powder,Melamine,Caustic Soda,SLES,LABSA ,etc.

COLORCOM LTD.

Country: China (Mainland)Business Type: Manufacturers

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Mr.Edwin T. Lyu
Tel: +86-571-89007001
Mr.Leo Su
Tel: +86-571-89009396
Mr.Ethan Zhang
Tel: +86-571-89009096
Ms.Rena Yan
Tel: +86-571-89009085
Ms.Gloria Xie
Tel: 0086-571-89009396
Mr.Bob Zhang
Tel: +86-571-89009096
Ms.Kaya Wang
Tel: 0086-571-89009396
  • Fax: +89-571-89007002
  • URL: https://www.colorkem.com/
  • Province/state: Zhejiang
  • City: Hangzhou
  • Street:ROOM 707, BUILDING 19, HUAXIA CENTER, CANGQIAN SUBDISTRICT, YUHANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE, CHINA.
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Direct Blue 71 Direct fast blue B2RL

Direct Blue 71 Direct fast blue B2RL CAS NO.4399-55-7

  • FOB Price: USD: 3.60-4.20 /Kilogram Get Latest Price
  • Min.Order: 50 Kilogram
  • Payment Terms: L/C,T/T
  • Available Specifications:

    Best(25-1000)KilogramBest(1100-10000)Kilogram

  • Product Details

Keywords

  • Direct Blue 71
  • Direct fast blue B2RL
  • DurazolBlue2R

Quick Details

  • ProName: Direct Blue 71 Direct fast blue B2RL
  • CasNo: 4399-55-7
  • Molecular Formula: C40H23N7Na4O13S4
  • Appearance: Black Powder
  • Application: used in textile, paper, ink, leather, ...
  • DeliveryTime: 7-10
  • PackAge: Bag
  • Port: Shanghai
  • ProductionCapacity: 1000 Kilogram/Week
  • Purity: 99%
  • Storage: Store at a ventilated, dry place.
  • LimitNum: 50 Kilogram
  • Light(Xenon): 5
  • WAshing 60°C×30: 2
  • Sublimation 180°C×30: 3

Superiority

Black powder. Water solubility is general, its aqueous solution is blue; slightly soluble in ethylene glycol ether, very slightly soluble in ethanol, insoluble in other organic solvents. Its aqueous solution produces blue precipitation by adding concentrated hydrochloric acid, and reddish purple precipitation by adding concentrated alkali. Blue to gray-black in concentrated sulfuric acid, reddish purple precipitate after dilution; dark brown in concentrated nitric acid; insoluble in concentrated lye; dissolved in concentrated ammonia is blue-violet. Slight change in color and light when stained with copper and iron ions.

Details

Product Description:

Common Name:  Direct Blue 71 
Other Name:  Direct fast blue B2RL
Category:  Colorant-Dye-Direct Dyes
CAS No.:   4399-55-7
EINECS No.: 224-531-4 
C.I. No.:  34140
Appearance:  Black Powder
Molecular Formula:  C40H23N7Na4O13S4 
Brand Name:  Colorcom
Shelf Life:  2 Years
Place of Origin:  China

International Equivalents:

DurazolBlue2R DiazolLightBlueR
C.I.Directblue71 DirectfastblueB2RL
SiriusSupraBlueBRR DirectdeepblueL-3RB

Product physical properties:

Product Name

Direct Blue 71

Specification

value

Appearance

Black Powder

Test Method

AATCC ISO
Acid Resistane 2 4
Alkali Resistane 4 4-5
Ironing 3 3

Light

4-5 5
Soaping 1-2 2
Water resistane 2 2

Application:

Direct Blue 71 is used in textile, paper, ink, leather, spices, feed, anodized aluminum and other industries.

Package:

25 kgs/bag or as you request.

Company Introduction:

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards.
Colorcom prides itself on superior customer and technical focus, while focusing on support, developing and manufacturing superior colorants and specialty chemicals. All of our industrial chemical manufacturing is executed to enhance the performance, appeal and processing of a broad range of products used in various industries and consumer - based applications.

Our Advantage:

The competitive advantages of Colorcom international as your business partner or supplier:
1.Established manufacturer.
2.Current ISO certified; REACH registered.
3.Track record of quality, Lot to lot consistency.
4.Zero defect, Return policy.
5.Sufficient inventory.
6.Wide product portfolio, A great choice of shades.
7.Joint product development.
8.Total innovative solutions for every industry of the specific requirements.
9.Open dialogue and communication channels.
10.Long term commitment to meet or exceed the expectations of customers.
11.Competitive pricing, Optimistic margin.
12.Providing efficient service which is second to none.
13.Constantly changing industry requirements for innovative, fully customized products and solutions.
14.Consistent color performance, adaptability, flexibility and customization.
15.26 years of chemical industry knowledge and experience.
16.Colorcom makes every effort to better serve the global customers,We create and bring the best values to you.

Sincerely look forward to your inquiry!
we will be the most sincere service attitude and product professionalism to make you satisfied!

 

 

 

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