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119-72-2 - 4-Amino-4'-nitrostilbene-2,2'-disulfonic acid, tech. 80% - B21467 - Alfa Aesar

B21467 4-Amino-4'-nitrostilbene-2,2'-disulfonic acid, tech. 80%

CAS Number
119-72-2
Synonyms

Size Price ($) Quantity Availability
1g 55.10
5g 206.00
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4-Amino-4'-nitrostilbene-2,2'-disulfonic acid, tech. 80%

MDL
MFCD00035915
EINECS
204-346-5

Chemical Properties

Formula
C14H12N2O8S2
Formula Weight
400.38
Melting point
>300°
Solubility
Soluble in water.

Applications

4-Amino-4'-nitrostilbene-2,2'-disulfonic acid serves as an important stilbene intermediate. It acts as a monomer. Further, it is used in the synthesis of a series of direct dyes such as direct lightfast fluorescent yellow 7GL, 6GL, 5GL, 4GL, 3GL and 2GL. In addition to this, it is used to prepare direct yellow DN-FR, orange F3G; yellow 3RLL, green GND and direct Black DN-EX.

Notes

Incompatible with strong oxidizing agents.

Literature References

Peng, W.; Chen, Y.; Zhang, F.; Zhang, G.; Fan, X. Solubilities of Amino and Nitro Substituted Stilbene Sulfonic Acids: Investigations and Applications. J. Chem. Eng. Data 2011, 56 (5), 2700-2705.

Shadkami, F.; Helleur, R.; Sithole, B. B. The Analysis of Optical Brightening Agents in Paper Samples Using Liquid Chromatography with High-Resolution Mass Spectrometry. J. Wood Chem. Technol. 2011, 31 (1), 42-57.

Other References

Harmonized Tariff Code
2921.45
TSCA
Yes
RTECS
WJ6100000

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