Реагент для исследований высокого качества Eriochrome black T CAS
- Категория: Chemical Reagent Products >>>
- Поставщик: Nanjing,Duly,Biotech,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Aug-17-2025 | 4.2 $* | 4.7 $* |
| Jul-17-2025 | 3.93 $* | 3.8 $* |
| Jun-17-2025 | 4.0 $* | 4.67 $* |
| May-17-2025 | 4.85 $* | 4.34 $* |
| Apr-17-2025 | 3.50 $* | 3.55 $* |
| Mar-17-2025 | 4.24 $* | 4.24 $* |
| Feb-17-2025 | 4.88 $* | 4.2 $* |
| Jan-17-2025 | 4.64 $* | 4.48 $* |
Характеристики
| Grouping | Pigment |
| Keywords | Eriochrome black T |
| Brand | NJDULY |
| Model | SR0132 |
| Place of Origin | Nanjing, China (Mainland) |
| Payment | T/T |
| Port | Shanghai |
| Supply Capacity | 100 Piece/Pieces per Month |
| Packing | 25 g/piece |
| Other packaging | Please contact customer service |
| To Find Out More, Click Here | |
English Name: erichrome Black T; 1 - (1-hydro-2-naphylazo) - 6-nitro-2-naphthol-4-sulfuric acid soda salt; c.i.mordant Black II; C.I. 14645
Other names: elachrome Black T; wool chrome black T; mordant black T; acid mordant black T; 1 - (1-hydroxy-2-naphthylazo) - 6-nitro-2-naphthol-4-sulfonate sodium
CAS No.: 1787-61-7
C20H12N3NaO7S=461.38
Level: IND
Sensitivity test: acceptable
Water insoluble matter: ≤ 0.15%
Properties: brownish black powder, soluble in hot water, cooled into reddish brown solution, slightly soluble in alcohol, brownish pink, slightly soluble in acetone. In case of excessive hydrochloric acid, brownish purple precipitate will be generated; in case of concentrated nitric acid, it will be withered orange yellow; in case of sodium hydroxide, it will be dark blue, then turn red, dissolve in concentrated sulfuric acid to form blue black solution, and then generate brown precipitate after dilution. The solubility in water (90 ℃) is 25g / L. When copper and iron are encountered in dyeing, the color light has a great influence.
Purpose: biochemical research. Indicators for water hardness, metal complexation indicators, determination of calcium, magnesium, barium, in, manganese, lead, scandium, strontium, zinc and zirconium
Save: RT
Company Information
Nanjing Duly Biotech Co.,Ltd
has been established for 11 years. It is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, nucleic acids, pigments, amino acids, vitamins,carbohydrates, buffers, surfactants,culture media and Separation of materials and kits.There are more than 10,000 products in total.
Our company’s aim is to provide customers with the best quality products and the most intimate service.Personnel has been trained; every batch of material is checked; each procedure guarantees the quality; every bag of our products is top grade;service is thoughtful all the time.The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Our Services
FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2009.
Q2:How to contact with us?
Answer:Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Can you give me a discount price?
Answer:Surely,It depend on your qty.
Q4: How can i get a sample?
Answer:Free sample is available,but freight charges will be at your account and the charges will be return to you dudect from your order in future.
Q5:What are the main categories of products sold by the company?
Answer: It is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, antibiotics, plant hormones, nucleic acids, pigments, amino acids, vitamins, carbohydrates, buffers, surfactants, culture media and Separation of materials and kits.
Q6:Is the company mainly engaged in small packaging or large packaging?
Answer: Mainly do small packaging reagents, large packaging also do, specific can ask customer service personnel.
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