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CAS 573-58-0 Congo Red

China Hunan Yunbang Biotech Inc. certification
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CAS 573-58-0 Congo Red

CAS 573-58-0 Congo Red
CAS 573-58-0 Congo Red CAS 573-58-0 Congo Red

Large Image :  CAS 573-58-0 Congo Red

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB129
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

CAS 573-58-0 Congo Red

Product Name: Congo Red Cas No: 573-58-0
EINECS NO: 209-358-4 Molecular Formula: C32H22N6Na2O6S2
Storage Condition: Store At +5°C To +30°C. PH: 6.7 (10g/l, H2O, 20℃)
Melting Point: >360 °C (lit.) Density: 0.995 G/mL At 25 °C
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573-58-0 Congo Red


Congo Red Biological Buffers


CAS 573-58-0 Biological Buffers

CAS 573-58-0 Congo Red

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.


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
Melting point >360 °C (lit.)
density 0.995 g/mL at 25 °C
vapor pressure <1 Pa
storage temp. Store at +5°C to +30°C.
solubility H2O: soluble10mg/mL
pka 4.1(at 25℃)
Colour Index 22120
form Powder/Solid
color Red Brown
PH 6.7 (10g/l, H2O, 20℃)
PH Range 3(blue)-5.2(red)
Odor Odorless
Water Solubility soluble
λmax 497nm, 488nm, 595nm
Merck 14,2498
BRN 3894858
Stability: Stable. Incompatible with strong oxidizing agents.
Biological Applications Detecting bacteria,protein folding disorders; treating dermatological disorders,neurodegenerative diseases,Alzheimer’s disease
Major Application Waveguides, optical sensors, display devices, inks, fertilizer, pesticides, carbohydrates, treatment of pathogen infections, age-related macular degeneration
CAS DataBase Reference 573-58-0(CAS DataBase Reference)
EPA Substance Registry System Congo Red (573-58-0)
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Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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