4-Methyl-3-(trifluoromethyl)aniline
4-Methyl-3-(trifluoromethyl)aniline (CAS 65934-74-9) is an organic compound with the chemical formula CF3C6H3(CH3)NH2 and a molecular weight of 175.15 g/mol. This substituted aniline derivative serves as a valuable building block in organic synthesis. It is frequently utilised in the research and development of new chemical entities, particularly within the pharmaceutical and agrochemical industries, due to the presence of both an amine and a trifluoromethyl group on the aromatic ring.
- IUPAC
- 3-(Trifluoromethyl)-4-methylaniline
- Synonyms
- 3-(Trifluoromethyl)-4-methylaniline

Organic Synthesis Intermediate
4-Methyl-3-(trifluoromethyl)aniline is a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations, making it a versatile component in multi-step synthetic routes.
Pharmaceutical Research
This compound finds application in the research and development of novel pharmaceutical agents. The trifluoromethyl moiety is often incorporated into drug candidates to modulate properties such as lipophilicity and metabolic stability.
Agrochemical Development
In the agrochemical sector, 4-Methyl-3-(trifluoromethyl)aniline can be employed as a building block for the creation of new pesticides, herbicides, or fungicides, contributing to crop protection research.
Material Science
The unique electronic and steric properties conferred by the trifluoromethyl and methyl groups may lead to its use in the development of specialised materials or functional polymers.
| Molecular weight | 175.15 |
|---|---|
| Linear formula | CF3C6H3(CH3)NH2 |
| Assay | 98% |
| Boiling point | 204 °C(lit.) |
| Density | 1.220 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.490(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 101 °C / 213.8 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-3-(trifluoromethyl)aniline used for?
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4-Methyl-3-(trifluoromethyl)aniline is used as a versatile building block in organic synthesis, primarily for research and development in the pharmaceutical, agrochemical, and material science industries.
What is the CAS number and chemical formula for 4-Methyl-3-(trifluoromethyl)aniline?
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The CAS number is 65934-74-9, and the chemical formula is CF3C6H3(CH3)NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methyl-3-(trifluoromethyl)aniline with a purity of 98% (assay). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Methyl-3-(trifluoromethyl)aniline be handled safely?
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Handling requires caution. This compound causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields and suitable gloves. Ensure adequate ventilation or use a respirator.
Is 4-Methyl-3-(trifluoromethyl)aniline supplied and exported globally by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Methyl-3-(trifluoromethyl)aniline.
How can I request a quote or sample for 4-Methyl-3-(trifluoromethyl)aniline?
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To request a quote or a sample, please contact our sales department through the website or by phone.
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