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Comprehensive Cosmetic Industry Ingredient Guide

THIS IS A UNIVERSAL REFERENCE GUIDE FOR EDUCATIONAL PURPOSES

THE INGRIDIENT BELOW IS NOT USED IN MITOSKIN FORMULATION UNLESS STATED OTHERWISE

Ingredient
44BiotoluidineorthoTolidine

4,4'-Bi-o-toluidine (ortho-Tolidine)

Summary

4,4'-Bi-o-toluidine, also known as ortho-Tolidine, is a cosmetic ingredient commonly used as a hair dye intermediate. It is a colorless to pale yellow liquid that is soluble in water and organic solvents. Despite its effectiveness as a hair dye, ortho-Tolidine has been found to be a potential carcinogen and is therefore regulated by various health and safety agencies. It is important to use this ingredient with caution and follow all recommended safety guidelines.

INCI Name and Common References

INCI Name: 4,4'-Bi-o-toluidine Common Terms: ortho-Tolidine Nicknames: None

Function

4,4'-Bi-o-toluidine (ortho-Tolidine) is not commonly used in cosmetic formulation due to its potential toxicity and carcinogenicity. However, in the past, it was used as a hair dye ingredient and as a colorant in some cosmetic products. Its role was to provide a brownish-red color to the product. Nowadays, safer and less toxic alternatives are used instead.

Science

4,4'-Bi-o-toluidine, also known as ortho-Tolidine, is a chemical compound with a molecular formula of C14H16N2. It is commonly used as a reagent in the detection of blood in forensic investigations. The physical properties of ortho-Tolidine play a crucial role in its ability to detect blood. It is a colorless to pale yellow liquid that turns blue-green in the presence of blood. This color change occurs due to the oxidation of ortho-Tolidine by the heme group in hemoglobin, which is present in red blood cells. The heme group in hemoglobin contains iron, which can undergo oxidation-reduction reactions. When ortho-Tolidine comes into contact with blood, it reacts with the iron in the heme group, causing the compound to oxidize and form a blue-green color. This reaction is specific to blood and does not occur with other substances, making ortho-Tolidine a reliable indicator of the presence of blood. In summary, the physical properties of ortho-Tolidine, specifically its ability to react with the iron in the heme group of hemoglobin, allow it to detect the presence of blood in forensic investigations.

Benefits

Unfortunately, 4,4'-Bi-o-toluidine (ortho-Tolidine) is not a skincare ingredient and should not be used in any skincare products. It is a toxic chemical that is used in the manufacturing of dyes and other industrial products. It can cause serious health problems if ingested or absorbed through the skin. It is important to always check the ingredients list of any skincare product before using it to ensure that it does not contain harmful chemicals like 4,4'-Bi-o-toluidine.

Negatives

4,4'-Bi-o-toluidine, also known as ortho-Tolidine, is a chemical compound that is commonly used in the manufacturing of dyes, pigments, and rubber products. While it has many industrial applications, it is important to note that this ingredient can have potential side effects, sensitivities, and interactions with other ingredients. One of the most significant concerns with ortho-Tolidine is its potential to cause cancer. Studies have shown that exposure to this chemical can increase the risk of bladder cancer, as well as other types of cancer. Additionally, ortho-Tolidine has been linked to liver and kidney damage, as well as respiratory problems. In terms of sensitivities, some individuals may be allergic to ortho-Tolidine. Symptoms of an allergic reaction can include skin irritation, hives, and difficulty breathing. It is important to note that these symptoms can be severe and require immediate medical attention. Finally, ortho-Tolidine can potentially interact with other ingredients, particularly those found in cleaning products and other industrial chemicals. When combined with certain chemicals, ortho-Tolidine can produce toxic fumes that can be harmful to human health. Overall, it is important to use caution when working with ortho-Tolidine and to take appropriate safety measures to minimize the risk of exposure. This may include wearing protective clothing and equipment, working in a well-ventilated area, and avoiding contact with other chemicals that may interact with ortho-Tolidine.

Source

4,4'-Bi-o-toluidine (ortho-Tolidine) is a synthetic organic compound that is derived from toluene. It is commonly used as a reagent in the production of dyes, pigments, and other organic compounds. The processing pathway of ortho-Tolidine involves the reaction of toluene with nitric acid to produce 4-nitrotoluene, which is then reduced to 4-amino-toluene. This compound is then further reacted with aniline to produce 4,4'-Bi-o-toluidine. The final product is purified through various methods such as distillation and recrystallization.

Safety

According to the Environmental Working Group's Skin Deep database, 4,4'-Bi-o-toluidine (ortho-Tolidine) has a score of 7 out of 10, indicating a moderate hazard. It is classified as a possible human carcinogen and has been linked to bladder cancer. Other sources also suggest that exposure to this chemical should be minimized to reduce potential health risks. Overall, it is important to handle and use this chemical with caution and follow proper safety protocols.

Sustainability

4,4'-Bi-o-toluidine, also known as ortho-Tolidine, is a chemical compound commonly used in the production of dyes, pigments, and rubber chemicals. However, this ingredient has been found to have a significant environmental impact and poses health risks to both humans and wildlife. The production and use of ortho-Tolidine have been linked to water pollution, soil contamination, and air pollution. The compound is toxic to aquatic life and can cause harm to the environment when it enters water bodies. Additionally, exposure to ortho-Tolidine has been linked to cancer, liver damage, and other health problems in humans. In terms of ethical sourcing practices, it is important to note that ortho-Tolidine is not a naturally occurring substance and is typically produced through chemical synthesis. Therefore, there are no specific ethical concerns related to the sourcing of this ingredient. However, it is important for manufacturers to ensure that their production processes are safe and environmentally responsible to minimize the negative impact of ortho-Tolidine on the environment and human health. Additionally, companies should prioritize the use of alternative, safer ingredients whenever possible to reduce the overall environmental impact of their products.

Conclusion

In conclusion, 4,4'-Bi-o-toluidine (ortho-Tolidine) is a chemical compound that is commonly used in the production of dyes and pigments. While it has been found to have carcinogenic properties, it also has benefits such as its ability to produce vibrant colors and its use in medical testing. It can be sourced from various chemical manufacturers and is regulated by government agencies to ensure safety. However, its sustainability is questionable due to its potential harm to the environment and human health. Overall, caution should be exercised when using this ingredient and alternatives should be considered whenever possible.

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