4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8
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4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8

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Product Description

Believe Chemical is a leading China 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 have been satisfied by many customers. Shandong Believe Chemical Pte. Ltd. is a high-tech enterprise integrating R &D and sales of chemical technology. 


We are good at the advantages of chemical products in the field. Our products are exported to Europe, the United States, Japan, South Korea, Southeast Asia and other countries and regions. With science and technology as the guide, honesty as the foundation, quality as the life, and relying on the enterprise concept of innovation and development, we sincerely hope to establish exchanges and extensive cooperation with domestic and foreign customers to create prosperity!


4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 Chemical Specification 

Product Name

4,4'-Diamino-2,2'-stilbenedisulfonic acid 

Formula  

C14H14N2O6S2

Molecular Weight 

370.4

CAS NO.  

 81-11-8

Quantity

500KG


Items

Specification

Results

Appearance

Yellow needle hygroscopic crystal

Conforms

Assay

99% 99.26%

CONCLUSION

The result conform with standard


4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 Chemical Properties

Melting point: 300 ° C
Density 1.4732 (rough estimate)
Refractive index 1.6510 (estimated)
Storage conditions: keepinmarkplace, ineratmosphere, roomtemperature
Acidity coefficient (PKA) -1.58 ± 0.50 (predicted)
Form: crystal powder
Color: creamtoyellow Brown
Water solubility < 0.1g/100mlat23 º C


4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 Application

Synthesis of organic intermediates.



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