| Customization: | Available |
|---|---|
| CAS No.: | 1937-37-7 |
| Formula: | C34h25n9na2o7s2 |
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Product Name: Direct Black 38
C.I. No.: 30235
CAS No.: 1937-37-7
Molecular Formula: C34H25N9Na2O7S2
Molecular Weight: 781.73
Relative Name:
Direct Black BN,Direct Black BX,Direct Black EX,Direct Black RN,Direct Black BRN
| Direct Direct Black 38 | |
| Dyeing depth % | 2 |
| Insolubles % | 0.15 |
| Light Fastness | 3-5 |
| Washing Fatness | 2 |
| Rubbing fastness(dry) | 4 |
| Rubbing fastness(wet) | 3 |
Direct Direct Black 38 Properties:black. Palm black powder. Soluble in water for green light black, solubility 40 g/l (85 ºC), and adequate soluble in alcohol for green light blue-black, right amount soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid is a deep red in blue, diluted Purple dark reddish brown for to red light black precipitation; In nitric acid solution for yellow brown (not completely); In strong hydrochloric acid for dark red light black solution (don't). The dye solution to join strong hydrochloric acid for Purple dark reddish brown, precipitation; Concentrated sodium hydroxide solution is generated gray light blue precipitaten. Cellulose fiber of dyeing, the dye absorption rate as well, in 80 ºC temperature when the biggest affinity. Can discharge.
Applications:
Used for cotton, viscose, silk, polyamide fiber and its blending fabric, leather, wood, biological and plastic color, also used as the raw material of black ink.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
HANGHZOU EMPEROR CHEMICAL CO, , Ltd Is engaged in dyestuff
Research and development and production of high-tech enterprises.
Our Company was established in 1998, located in Zhejiang province,
Hangzhou city, Our dyestuff is widely use on different applications such as painting, leather, paper, cotton, wood, fertilizer, seed and so on.
In 2000, Our Brand "Enoch® " was born, with years of service
Quality improvement and technical innovation, Today "Enoch ® "have been reputed for both domestic and international market.
EMPEROR, is committed to provide complete customer satisfaction when it comes to the quality, performance, timely delivery and prices of products. We believe Quality is the life of EMPEROR, We′ve addressed certain critical measurements to assure quality and performance, such as viscosity, surface tension, pH, conductivity, color, and purity, light fastness in order to control as many variables as possible and produce best product possible.
OUR MISSION is to lead the industry in creating value for our customers through dedication on standards, quality, productivity and customer satisfaction.
OUR VISION is EMPEROR aims to be best dyestuff producer in the chemical industry.
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FAQ: WHAT YOU CARE |
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Q1. How can I get the samples for testing? |
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A: 1.We can provide a certain quantity of free samples. Please give the specific CAS or CI NO. of the product and we will give you the sample based on our standard. 2.You can send your samples to our office and we will send back the copy samples for you. It's a more efficient way. |
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Q2. How can I get the price of needed products? |
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A: 1.Please give the exactly CAS or CI Number, quantity, packing, destination port or specs requirements. We can according to your exact requirements to give you the price. 2.You can send us a sample, we can according to your sample give you a counter sample and price. |
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Q3. I don't know whether your product can be available, how can I order this from you? |
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A: It's the best way if you can send us a sample, so we can according to your samples give you a counter sample for checking the quality. Also we will quote a price for you to check the cost. After confirming all of this, you can contact our sales for an order. |
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Q4. I am a small wholesaler, do you accept small order? |
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A: It's no problem if you are a small wholesale, we would like to grow up with you together. |
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Q5. How to use the product? |
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A: We are pleased to be requested the application methods from you and we will use words and videos to tell how to use. We also have application engineers can provide onsite service for you customers. |
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Q6. Can you make OEM service of your products? |
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A: Yes. We can accept OEM service. Also we have provided OEM service to lots of big and famous companies in the order. |
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