Company Informations
Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".
We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.
R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.
Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
FAQ
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Product Description
| Product Name: |
Mordant Black 17 |
| Synonyms: |
HBC25865;ERIOCHROME BLUE BLACK RERIOCHROME BLUE BLACK RERIOCHROME BLUE BLACK R;1-Naphthalenesulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1);MORDANT BLACK 17;PALATINE CHROME BLACK 6BN;PALATINE CHROME BLACK R;SUNCHROMINE BLUE BLACK R;SUPERCHROME BLUE B EXTRA |
| CAS: |
2538-85-4 |
| MF: |
C20H15N2NaO5S |
| MW: |
418.4 |
| EINECS: |
219-810-2 |
| Product Categories: |
Dyes and Pigments;Azo Compounds;Naphthylazo Compounds;Analytical Chemistry;Chelating Reagents |
| Mol File: |
2538-85-4.mol |
| Mordant Black 17 Chemical Properties |
| storage temp. |
Store at +5°C to +30°C. |
| solubility |
20g/l |
| form |
Powder |
| Colour Index |
15705 |
| color |
Dark brown to black |
| Odor |
Odorless |
| PH |
9.4 (10g/l, H2O, 25ºC) |
| Water Solubility |
20 g/L (20 ºC) |
| Stability: |
Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference |
2538-85-4(CAS DataBase Reference) |
| EPA Substance Registry System |
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (2538-85-4) |
| Hazard Codes |
Xi |
| Risk Statements |
36/37/38 |
| Safety Statements |
26-36-37/39 |
| WGK Germany |
3 |
| RTECS |
QK2200000 |
| HS Code |
29270000 |
| Mordant Black 17 Usage And Synthesis |
| Chemical Properties |
dark brown to purple powder |
| Uses |
Mordant Black 17 can be prepared to use as blue acid dye. |
| Preparation |
4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazotization, and Naphthalen-2-ol coupling. |
| Purification Methods |
Free it from metallic impurities by three precipitations from aqueous solution by addition of HCl. The precipitated dye is dried at 60o under vacuum and converted into the Na salt with the calculated amount of alkali. It is an indicator in the complexometry of Al, Fe and Zr. [Beilstein 16 H 297, 16 IV 428.] |
Detailed Photos
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