China (Mainland)
Assessedsupplier
Direct Black 19 Direct Fast Black CAS NO.6428-31-5
- 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 Black 19
- Direct Fast Black
- Direct black RN
Quick Details
- ProName: Direct Black 19 Direct Fast Black
- CasNo: 6428-31-5
- Molecular Formula: C34H27N13Na2O7S2
- 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): 3-4
- WAshing 60°C×30: 2-3
- Sublimation 180°C×30: 4-5
Superiority
Black powder. Aqueous solution is greenish black, adding concentrated alkali solution is greenish blue, adding 10% sulfuric acid color is slightly red. Slightly soluble in ethanol, chemicalbook ketone. It is dark brown in concentrated nitric acid, greenish black in concentrated sulfuric acid, and reddish black precipitate after dilution. When stained with copper ions, the color light is slightly green, when iron ions, the color light is slightly changed.
Details
Product Description:
Common Name: Direct Black 19
Other Name: Black G
Category: Colorant-Dye-Direct Dyes
CAS No.: 6428-31-5
EINECS No.: 229-208-1
C.I. No.: 35255
Appearance: Black Powder
Molecular Formula: C34H27N13Na2O7S2
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: China
International Equivalents:
| Black G | Kayarus Black G |
| Direct black RN | Sumilight Black G |
| Condires Black AN | C.I.Direct Black 19 |
Product physical properties:
|
Product Name |
Direct Black 19 | ||
|
Specification |
value |
||
|
Appearance |
Black Powder | ||
|
Test Method |
AATCC | ISO | |
| Acid Resistane | 4-5 | 4 | |
| Alkali Resistane | 3 | 3 | |
| Ironing | 4-5 | 3 | |
|
Light |
3 | 3-4 | |
| Soaping | 2-3 | 2 | |
| Water resistane | 2 | 2 | |
Application:
Direct Black 19 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!