4-Methyl-m-phenylenediamine
4-Methyl-m-phenylenediamine (CAS: 95-80-7), a chemical intermediate with the formula CH3C6H3(NH2)2 and a molecular weight of 122.17 g/mol, is primarily used in chemical synthesis. It serves as a crucial building block in the production of various organic compounds and polymers, particularly polyamines. This diamine's reactivity makes it valuable for research and industrial applications requiring specific nitrogen-containing structures.
- IUPAC
- 2,4-Diaminotoluene,2,4-Toluenediamine,4-Methyl-1,3-phenylenediamine
- Synonyms
- 2,4-Diaminotoluene2,4-Toluenediamine4-Methyl-1,3-phenylenediamine

Chemical Synthesis Intermediate
4-Methyl-m-phenylenediamine is a versatile intermediate used in the synthesis of more complex organic molecules. Its diamine structure allows for reactions leading to diverse chemical functionalities and structures.
Polymer Production
This compound functions as a monomer or co-monomer in the production of polyamines and other polymeric materials. These polymers find applications in various industrial sectors due to their unique chemical properties.
Dye and Pigment Precursor
As an aromatic amine, 4-Methyl-m-phenylenediamine can be a precursor in the synthesis of certain dyes and pigments. Its structure contributes to the chromophoric systems of colourants.
| Molecular weight | 122.17 |
|---|---|
| Linear formula | CH3C6H3(NH2)2 |
| Assay | ≥98.0% (NT) |
| Boiling point | 283-285 °C(lit.) |
| Melting point | 97-99 °C(lit.)98-99 °C |



Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H317May cause an allergic skin reaction
- H341Suspected of causing genetic defects
- H350May cause cancer
- H361F
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P308IF exposed or concerned
| 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 |
|---|---|
| Transport (UN / ADR) | UN 1709 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-21-25-43-48/22-51/53-62-68 |
| 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.
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-Methyl-m-phenylenediamine used for?
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4-Methyl-m-phenylenediamine (CAS: 95-80-7) is primarily used as an intermediate in chemical synthesis, particularly for producing polyamines and other organic compounds. It may also serve as a precursor for dyes and pigments.
What is the CAS number and chemical formula for 4-Methyl-m-phenylenediamine?
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The CAS number for 4-Methyl-m-phenylenediamine is 95-80-7, and its linear formula is CH3C6H3(NH2)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methyl-m-phenylenediamine with an assay of ≥98.0% (NT). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 4-Methyl-m-phenylenediamine be handled safely?
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Handling requires significant precautions due to its hazards: toxic if swallowed or in contact with skin, may cause an allergic skin reaction, suspected of causing genetic defects, cancer, and reduced fertility, and may cause damage to organs through prolonged exposure. Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection (N100/P3), is essential. Handle only in well-ventilated areas or with appropriate containment. Consult the Safety Data Sheet (SDS) for detailed guidance.
Is 4-Methyl-m-phenylenediamine a controlled substance?
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The provided data does not indicate that 4-Methyl-m-phenylenediamine (CAS: 95-80-7) is a controlled substance under standard regulations.
How is 4-Methyl-m-phenylenediamine packed and exported?
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As per UN 1709, 6.1/PGIII classification, it is shipped as a toxic solid. TSS exports this chemical in compliance with all relevant international shipping and safety regulations.
How can I request a sample or quote for 4-Methyl-m-phenylenediamine?
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To request a sample or obtain a quote for 4-Methyl-m-phenylenediamine, please contact the TSS sales department through the website or by phone, providing your specific requirements.
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