4,4-Diaminodiphenylmethane

4,4-Diaminodiphenylmethane

4,4'-Methylenedianiline; 4,4'-Methylenebisbenzenamine; Bis(4-aminophenyl)methane

CAS 101-77-9

Chemical Formula C13H14N2

Molecular Weight 198.27 g/mol

4,4- Diaminodiphenylmethane (MDA) is an organic compound. It is produced by reaction of formaldehyde and aniline in the presence of hydrochloric acid. 4,4'-Methylenedianiline is used mainly for making polyurethane foams, which have a variety of uses, such as insulating materials in mailing containers. It is also used for making coating materials, glues, Spandex fiber, dyes, and rubber.

Industrial Uses

1. Metal Treatment

  • Corrosion Resistance: The epoxy resins made using 4,4-Diaminodiphenylmethane are used to coat metals to provide corrosion resistance in environments exposed to chemicals or moisture.
  • Metal Surface Treatment: In metal treatment processes, it contributes to the strength and durability of protective coatings applied to metal surfaces.

2. Paints & Coatings

  • Epoxy Resins: 4,4-Diaminodiphenylmethane is widely used in the production of epoxy resins, which are essential components of many coatings. These coatings are valued for their high durability, resistance to chemicals, and protective properties, making them suitable for industrial, marine, and automotive paints.

3. Sealants & Adhesives

  • Epoxy-based Adhesives: It serves as a curing agent in epoxy adhesives, which are known for their strong bonding properties and resistance to heat and chemicals. These adhesives are used in construction, automotive, and electronics industries for their long-lasting performance.
  • Structural Adhesives: Due to its ability to enhance the strength of adhesives, it is used in high-strength bonding applications, particularly in metal-to-metal or metal-to-plastic bonding.

4. Cleaning & Disinfectants

  • Surface Coatings: Its use in epoxy resins indirectly benefits the cleaning industry, as epoxy-coated surfaces are resistant to harsh cleaning agents and are easier to maintain in environments where cleanliness is critical (e.g., hospitals and food processing areas).

5. Lubricants & Automobiles

  • Polyurethane and Epoxy Components: 4,4-Diaminodiphenylmethane contributes to the production of high-performance materials such as polyurethane and epoxy resins, which are used in automotive parts like coatings, sealants, and adhesives. These materials offer thermal stability and mechanical strength, making them ideal for automotive applications.
  • Anti-corrosion Coatings: Its role in epoxy resin production also helps in creating anti-corrosion coatings for automobiles and machinery components.

6. Pulp & Paper Solutions

  • Chemical Resistance Coatings: In the pulp and paper industry, 4,4-Diaminodiphenylmethane may be used indirectly through its role in producing protective coatings for machinery that withstands harsh chemicals used in paper processing.

Specifications

Assay ≥ 98%
Appearance White to light tan crystalline powder
Odor Faint, aromatic
Boiling Point 398°C (748°F)
Melting Point 89-91°C (192-196°F)
Density 1.19 g/cm³ at 25°C
Solubility Slightly soluble in water, soluble in ethanol, benzene, and ether
Viscosity Not available
Flash Point 196°C (385°F)

Hazard Symbols

Corrosives
Corrosives
Irritants/Sensitisers/Other Hazards
Irritants/Sensitisers/Other Hazards
Environmental Hazard
Environmental Hazard

FAQs

1. What is the current price of 4,4-Diaminodiphenylmethane in India?
The price of 4,4-Diaminodiphenylmethane can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us us at +91-22-4343 2121 directly for a customized quote tailored to your needs.

2. Where can I buy 4,4-Diaminodiphenylmethane in India?
You can purchase 4,4-Diaminodiphenylmethane from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for 4,4-Diaminodiphenylmethane?
Our minimum order quantity (MOQ) for 4,4-Diaminodiphenylmethane is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of 4,4-Diaminodiphenylmethane supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.