N,N’-Bis(1-methylheptyl)-p-phenylenediamine, commonly referred to as “BMHPPD,” is a chemical compound that serves as a hindered phenol antioxidant and stabilizer in various commercial applications. Specifically, it is utilized in the production of rubber products, plastics, and lubricants to prevent degradation caused by oxidation. The presence of BMHPPD in these materials helps prolong their lifespan and maintain their mechanical properties, ultimately contributing to the longevity and performance of everyday products such as tires, packaging materials, and automotive parts. Thus, the significance of BMHPPD lies in its role in preserving the quality and functionality of essential goods utilized in daily life.
Table of Contents:
Commercial Applications
Chemical & Physical Properties
Production & Procurement
Safety Considerations
Potential Research Directions
Related Compounds
Commercial Applications
N,N’-Bis(1-methylheptyl)-p-phenylenediamine, commonly known as ETHANOX 398, finds application as an antioxidant in the rubber, plastics, and petroleum industries. It is used to prevent degradation of materials and extend their shelf life, particularly in products exposed to heat or oxygen. Its ability to inhibit oxidation makes it a valuable additive in various commercial products.
In the pharmaceutical industry, N,N’-Bis(1-methylheptyl)-p-phenylenediamine is used as a stabilizer in certain medications. Its antioxidant properties help maintain the potency of drugs by protecting them from oxidative degradation. This compound is particularly useful in formulations that are prone to oxidation, ensuring the efficacy and stability of the medication over time.
Due to its ability to prevent oxidation and degradation, N,N’-Bis(1-methylheptyl)-p-phenylenediamine is also utilized in cosmetic products. It acts as a stabilizer in creams, lotions, and other skincare products to maintain their quality and extend their shelf life. Its antioxidant properties help preserve the integrity of these products, ensuring that they remain effective for a longer period.
Chemical & Physical Properties
N,N’-Bis(1-methylheptyl)-p-phenylenediamine is a white, crystalline solid with no distinct odor.
This compound has a molar mass of approximately 380.64 g/mol and a density of about 0.89 g/cm3. In comparison to common food items, it has a higher molar mass and lower density than substances such as sugar or salt.
The melting point of N,N’-Bis(1-methylheptyl)-p-phenylenediamine is around 96-100°C, while its boiling point is approximately 375°C. In contrast, common food items like butter or chocolate have lower melting and boiling points.
N,N’-Bis(1-methylheptyl)-p-phenylenediamine is insoluble in water and has a high viscosity. This differs from common food items that are typically more soluble in water and have lower viscosity levels.
Production & Procurement
N,N’-Bis(1-methylheptyl)-p-phenylenediamine, also known as MBPD, is typically produced through a multi-step synthesis process. This process involves the reaction of p-phenylenediamine with 1-methylheptyl chloride in a solvent such as dichloromethane. The resulting product is then purified through various techniques to obtain the desired compound in high purity.
Procuring N,N’-Bis(1-methylheptyl)-p-phenylenediamine can be done through chemical suppliers or manufacturers that specialize in producing this compound. It is often available in bulk quantities for industrial use. Once procured, the compound can be transported in sealed containers to prevent contamination or degradation. Specialized handling procedures may be required due to the compound’s chemical properties.
Transportation of N,N’-Bis(1-methylheptyl)-p-phenylenediamine typically follows standard protocols for handling and shipping hazardous chemicals. Proper labeling, documentation, and packaging are essential to ensure safe transit. Depending on the quantity and destination, the compound may be transported via ground, air, or sea freight. Compliance with local and international regulations governing the transportation of hazardous materials is crucial.
Safety Considerations
Safety considerations for N,N’-Bis(1-methylheptyl)-p-phenylenediamine, also known as Octamine, should be carefully observed due to its potential hazards. This chemical compound is classified as harmful if swallowed and may cause skin irritation. In case of contact with eyes, it can result in severe eye irritation. Therefore, proper personal protective equipment, such as gloves and goggles, should be worn when handling Octamine to prevent any potential health risks.
Hazard statements for N,N’-Bis(1-methylheptyl)-p-phenylenediamine include “Harmful if swallowed” and “Causes skin irritation.” These statements indicate the potential dangers associated with exposure to this chemical compound. It is important to handle Octamine with caution and follow proper safety protocols to minimize the risk of harm.
Precautionary statements for N,N’-Bis(1-methylheptyl)-p-phenylenediamine include “Wear protective gloves/eye protection/face protection” and “IF SWALLOWED: Rinse mouth.” These statements emphasize the importance of wearing appropriate protective equipment when working with Octamine and taking necessary measures in case of ingestion. It is crucial to follow these precautionary statements to ensure the safety of individuals handling this chemical compound.
Potential Research Directions
Research on N,N’-Bis(1-methylheptyl)-p-phenylenediamine, commonly known as HMDA, has shown promising potential in various fields. One area of interest is its application as an antioxidant in food packaging materials to prolong the shelf life of perishable goods.
Another research direction for HMDA is its use in the development of corrosion inhibitors for industrial applications, particularly in the oil and gas sectors. Studies have shown that HMDA exhibits excellent corrosion inhibition properties, making it a viable candidate for protecting metal surfaces from degradation.
Furthermore, HMDA has shown potential as a stabilizer in polymer materials, such as polyethylene and polypropylene, to improve their thermal and oxidative stability. Research in this area could lead to the development of more durable and long-lasting plastic products for various industries.
Related Compounds
One compound similar to N,N’-Bis(1-methylheptyl)-p-phenylenediamine based on molecular structure is N,N’-Bis(1-methylheptyl)-m-phenylenediamine. This compound also contains two 1-methylheptyl substituents on the amino groups of a phenylenediamine core. The difference lies in the position of the phenylenediamine ring where it is located at the meta position instead of the para position.
Another compound with a similar molecular structure is N,N’-Bis(1-methylheptyl)-o-phenylenediamine. Like the previous compounds, it features two 1-methylheptyl groups attached to the amino groups of a phenylenediamine core. However, in this case, the phenylenediamine ring is located at the ortho position relative to the amino substituents.
One more compound worth noting for its structural similarity is N,N’-Bis(1-methylheptyl)-N,N’-diphenyl-p-phenylenediamine. This compound retains the bis(1-methylheptyl) groups on the amino substituents but incorporates diphenyl groups in place of the phenylenediamine core. The para position of the phenylenediamine structure remains consistent across these structurally related compounds.
