| CAS No.: | 2610-11-9/12237-71-7 |
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| Formula: | C29h19n5na2o8s2 |
| Colour: | Red |
| Appearance: | Powder |
| Usage: | Paper, Textile |
| Application Material: | Cotton |
| Samples: |
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| Customization: |
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Audited Supplier Product Name: Direct Red 81
C.I. No.: 28160
CAS No.: 2610-11-9/12237-71-7
Molecular Formula: C29H19N5Na2O8S2
Molecular Weight: 675.6
Relative Name:
Direct Red 4B,Direct Fast Red 4B,Direct Fast Red 8B,Duasyn Direct Red 8B,Pergasol Red 2B.
Shade: red powder
| Direct Red 81 | |
| Dyeing depth % | 2 |
| Insolubles % | 0.15 |
| Light Fastness | 4 |
| Washing Fatness | 4 |
| Rubbing fastness(dry) | 4-5 |
| Rubbing fastness(wet) | 3 |
Direct Red 81 Properties and Applications:
Soluble in water for product red, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid dyes for dark blue, shalloworange brown after diluted precipitation; In nitric acid solution for colourful blue, to red light brown. The dye solution to join strong hydrochloric acid foryellow olive brown precipitation; Add thick sodium hydroxide solution has the purple precipitation. 60 ºC in the solubility of 40 g/L, not sensitive to that fights. For colourful red light. Copper ions in dyeing color slightly turn blue, encounter iron ion colored light basic unchanged. For A class SDC classification. To dead cotton cover the gender is poorer. Cotton neutral and alkaline white are level 5, viscose and minus sex of neutral white for 4 ~ 5 levels. Used for dyeing cotton and viscose, also can be used for paper color.
Package, 25KG/DRUM, CARTON BOX, BAG
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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