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Congo Red CAS 573-58-0 Dye Content ≥35 %

China Hunan Yunbang Biotech Inc. certification
China Hunan Yunbang Biotech Inc. certification
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Congo Red CAS 573-58-0 Dye Content ≥35 %

Congo Red CAS 573-58-0 Dye Content ≥35 %
Congo Red CAS 573-58-0 Dye Content ≥35 % Congo Red CAS 573-58-0 Dye Content ≥35 % Congo Red CAS 573-58-0 Dye Content ≥35 % Congo Red CAS 573-58-0 Dye Content ≥35 %

Large Image :  Congo Red CAS 573-58-0 Dye Content ≥35 %

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB130
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1kg/Bottle, 5-25kg/Drum
Delivery Time: 5-8 working days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10Ton/Month

Congo Red CAS 573-58-0 Dye Content ≥35 %

Product Name: Congo Red Cas No: 573-58-0
EINECS NO: 209-358-4 Molecular Formula: C32H22N6Na2O6S2
Solubility: H2O: Soluble10mg/mL Colour: Red Brown
Odor: Odorless Water Solubility: Soluble
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Congo Red CAS 573-58-0


35 % Dye Content Congo Red


Odorless Congo Red

Congo Red CAS 573-58-0 Dye content ≥35 %

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.

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.



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.



  • Congo red has been used as a histochemical stain for the quantification of amyloid deposits in brain tissues.
  • It has been used as a cell wall inhibiting agent in fungus Cryptococcus neoformans.
  • It has also been used to study microstructural details in the cell walls of raw potato and fried potato using confocal microscopy.
Product Name: Congo Red
Synonyms: 3,3'-[(1,1'-BIPHENYL)-4,4'-DIYLBIS(AZO)]BIS(4-AMINO-1-NAPHTHALENESULFONIC ACID) 2NA;S NO 360;CONGO RED (CERT);Congo Red (0.1% in Water) [for pH Determination];3,3'-[(Biphenyl-4,4'-diyl)bisazo]bis(4-amino-1-naphthalenesulfonic acid sodium) salt;3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic acid sodium] salt;Congo Ared 4b;Congo Red K
CAS: 573-58-0
MF: C32H22N6Na2O6S2
MW: 696.66
EINECS: 209-358-4
Product Categories: Azo;Dyes and Pigments;Organics;Analytical Chemistry;Indicator (pH);pH Indicators
Mol File: 573-58-0.mol
Congo Red Structure
Congo Red CAS 573-58-0 Dye Content ≥35 % 1

Congo Red CAS 573-58-0 Dye Content ≥35 % 2
Congo Red CAS 573-58-0 Dye Content ≥35 % 3
Congo Red CAS 573-58-0 Dye Content ≥35 % 4
Congo Red CAS 573-58-0 Dye Content ≥35 % 5



Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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