63467-07-2

Basic information

• Product Name: 2,2'-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bisethanol
• Synonyms: 2,2'-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bisethanol;Ethanol, 2,2-4-(2,6-dichloro-4-nitrophenyl)azophenyliminobis-
• CAS NO: 63467-07-2
• Molecular Formula: C16H16Cl2N4O4
• Molecular Weight: 399.22864
• EINECS: 264-220-0
• Product Categories: Organics
• Mol File: 63467-07-2.mol

Chemical Properties

• Boiling Point: 624.8°Cat760mmHg
• Flash Point: 331.6°C
• Appearance: /
• Density: 1.46g/cm³
• CAS DataBase Reference: 2,2'-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bisethanol(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2'-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bisethanol(63467-07-2)
• EPA Substance Registry System: 2,2'-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]imino]bisethanol(63467-07-2)

Safety Data

• Hazardous Substances Data: 63467-07-2(Hazardous Substances Data)

Usage

Uses

Used in Food Industry:
Tartrazine is used as a colorant to enhance the visual appeal of food products, providing a bright yellow hue that can make products more attractive to consumers. Its synthetic nature ensures a consistent color, which is crucial for maintaining a uniform appearance across batches.
Used in Pharmaceutical Industry:
In pharmaceuticals, Tartrazine serves as a coloring agent for medications, ensuring that pills and other formulations have a visually distinct and recognizable appearance. This can aid in product identification and consumer compliance with medication regimens.
Used in Cosmetic Products:
Tartrazine is utilized in the cosmetic industry to impart a yellow shade to various products, such as creams, lotions, and makeup. Its vibrant color contributes to the aesthetic appeal of these products, making them more desirable to consumers.
Used as a pH Indicator:
Due to its color-changing properties in response to pH variations, Tartrazine is employed as a pH indicator in scientific and industrial applications. This allows for the monitoring and control of pH levels in various processes, ensuring optimal conditions for reactions or preservation.
Used in Printing Inks and Textile Dyes:
Tartrazine's intense color makes it suitable for use in the production of printing inks and textile dyes. Its ability to provide a consistent and long-lasting color is valuable in these industries, where colorfastness and vibrancy are paramount.
Despite its widespread use, Tartrazine has been the subject of controversy due to potential health concerns. Studies have suggested possible links to behavioral issues in children, allergies, and hyperactivity. Consequently, some countries have imposed restrictions on its use in certain products. The safety of Tartrazine continues to be a topic of debate within the scientific community, and its use is carefully monitored and regulated in various industries.

Relevant articles and documents

Clean preparation method for weakly alkaline arylamine azo disperse dye

The present invention provides a clean preparation method for weakly alkaline arylamine azo disperse dye. The method is characterized in that when a weakly alkaline arylamine diazonium double salt solid is coupled with a coupling component, the coupling component is pretreated to obtain a fine particle dispersion to be coupled with the weakly alkaline arylamine diazonium double salt; and the generated disperse dye is precipitated from the coupling system and is filtered and dried, thereby obtaining the weakly alkaline arylamine azo disperse dye. According to the preparation method provided by the present invention, by using a stable double salt structure of a diazonium salt, during the coupling, the process of adding acid for dissolution can be omitted; the coupling is performed at the normal temperature, and extra cooling is not required; and the method has a broad application prospect.