4,4′-Diaminodiphenylmethane
4,4′-Diaminodiphenylmethane (CAS: 101-77-9), also known as MDA, is an organic compound with the molecular formula C13H14N2 and a molecular weight of 198.26 g/mol. This aromatic diamine is a crucial building block in the synthesis of polymers, particularly polyurethanes and epoxy resins, and finds use in various chemical manufacturing processes. Its characteristic properties make it a valuable intermediate in industrial applications.
- IUPAC
- 4,4′-Methylenedianiline,MDA
- Synonyms
- 4,4′-MethylenedianilineMDAC13H14N24,4′-Methylenebis(aniline)Bis(4-aminophenyl)methane
Polymer Synthesis
4,4′-Diaminodiphenylmethane is a key curing agent for epoxy resins, contributing to the formation of robust thermoset polymers. It is also used as a monomer in the production of polyamides and polyimides.
Chemical Intermediate
As a versatile difunctional amine, it serves as an intermediate in the synthesis of various organic compounds, including dyes, pigments, and pharmaceuticals.
Adhesives and Coatings
The compound's ability to form strong cross-linked networks makes it suitable for formulating high-performance adhesives and protective coatings.
| Molecular weight | 198.26 |
|---|---|
| Empirical formula | C13H14N2 |
| Assay | ≥97.0% (GC) |
| Solubility | water: soluble |
| Melting point | 88-92 °C |
Hazard statements
- H301Toxic if swallowed
- H317May cause an allergic skin reaction
- H341Suspected of causing genetic defects
- H350May cause cancer
- H370Causes damage to organs
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P307
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 230 °C / 446 °F |
| Transport (UN / ADR) | UN 2651 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-39/23/24/25-43-48/20/21/22-51/53-68 |
| Safety statements (S) | 53-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | mouse ... Slc6a2(20538)rat ... Slc6a3(24898), Slc6a4(25553) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4,4′-Diaminodiphenylmethane used for?
+
4,4′-Diaminodiphenylmethane is primarily used as a curing agent for epoxy resins, a monomer in polymer synthesis, and an intermediate in the production of dyes, pigments, and other organic chemicals.
What are the CAS number and formula for 4,4′-Diaminodiphenylmethane?
+
The CAS number is 101-77-9 and the empirical formula (Hill notation) is C13H14N2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4,4′-Diaminodiphenylmethane with a purity of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should 4,4′-Diaminodiphenylmethane be handled safely?
+
Due to its hazards (H301, H317, H341, H350, H370, H373, H410), handle with extreme care. Use appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (type N100 or P3). Ensure adequate ventilation and avoid contact with skin and eyes. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is 4,4′-Diaminodiphenylmethane a controlled substance?
+
The provided data does not indicate that 4,4′-Diaminodiphenylmethane is a controlled substance.
How is 4,4′-Diaminodiphenylmethane packed and shipped?
+
Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details will be provided upon inquiry, adhering to all relevant transportation regulations for hazardous materials (UN 2651 6.1 / PGIII).
How can I request a quote or sample?
+
Please contact our sales team via the website or by phone to request a quote or sample of 4,4′-Diaminodiphenylmethane.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis