Calcon CAS 2538-85-4 Biological Stain

Calcon CAS 2538-85-4 Biological Stain

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.

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.

Advantage

1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.

Description

Calcon is a chemical compound that is also known as Acid Black 171. It is a pH indicator dye, and its color changes depending on the pH of the solution. In acidic conditions, it appears as a red color, while in alkaline conditions, it turns blue. Calcon is commonly used in scientific and laboratory applications to visually determine the pH of a solution.

Product Name:	Calcon
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