Direct Black 38 Direct Black CAS NO.1937-37-7

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)Kilogram4.20/Kilogram25USDBest(1100-10000)Kilogram3.60/Kilogram1100USD

Product Details

Keywords

Direct Black 38
Direct Black
chloramineblackex

Quick Details

ProName: Direct Black 38 Direct Black
CasNo: 1937-37-7
Molecular Formula: C34H28N9NaO7S2
Appearance: Brown-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): 4-5
WAshing 60°C×30: 3
Sublimation 180°C×30: 4

Superiority

Brownish black powder. Dissolved in water is greenish black, slightly soluble in ethanol, greenish blue-black, soluble in soluble fibrin, insoluble in other organic solvents. When encountered with concentrated sulfuric acid was dark reddish blue, diluted to purple sauce color to reddish black precipitate; in concentrated nitric acid was yellowish brown solution; in concentrated hydrochloric acid was dark reddish black solution. Its aqueous solution with concentrated hydrochloric acid is purple sauce color precipitate. Add concentrated sodium hydroxide solution, it generates gray precipitate. For cellulose fiber dyeing, dye exhaustion is very good, the temperature at 80 ℃ affinity maximum. It can be pull-dyed.

Details

Product Description:

Common Name:  Direct Black 38
Other Name: chloramineblackex
Category: Colorant-Dye-Direct Dyes
CAS No.:  1937-37-7
EINECS No.: 217-710-3
C.I. No.: ---
Appearance: Brown-black Powder
Molecular Formula:  C34H28N9NaO7S2
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: China

International Equivalents:

chloramineblackex	chloramineblackxo
chloramineblackert	chloramineblackexr

Product physical properties:

Product Name	Direct Black 38
Specification	value
Appearance	Brown-black Powder
Test Method	AATCC	ISO
Acid Resistane	3	3
Alkali Resistane	3	3
Ironing	4	4
Light	4-5	3
Soaping	3	2
Water resistane	2	2-3

Application:

Direct Yellow 11 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.