5, 5′ -Dithiobis (2-nitrobenzoic acid) , CAS69-78-3; 3-Carboxy-4-Nitrophenyl Disulfide, Dtnb

• Customization: Available
• Type: Dyestuff Intermediates
• Appearance: Powder
• Quality: Refined
• Colour: Yellow
• CAS No.: 69-78-3
• Formula: C14h8n2o8s2
• Einecs: 200-714-4
• Samples: Available
• Purity: 99%
• Certificates: ISO9001/SGS
• Package: 1kg, 5kg, 10kg, 25kg
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air, Express, Sea
• MOQ: 10g
• Transport Package: Drum, Bottle, Bags
• Specification: 99%
• Trademark: Yunbang
• Origin: China

Product Description

5,5′-Dithiobis(2-nitrobenzoic acid), Cas69-78-3; 3-Carboxy-4-nitrophenyl disulfide, DTNB

Chemical Properties

Melting point	240-245 °C (dec.)(lit.)
Boiling point	671.9±55.0 °C(Predicted)
density	1.67
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
pka	1.57±0.25(Predicted)
form	Yellow solid
color	Pale Yellow to Light Yellow
Water Solubility	Soluble in water and ethanol.

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3

 

 

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.