4-Isopropylaniline
4-Isopropylaniline (CAS: 99-88-7), with the molecular formula (CH3)2CHC6H4NH2 and a molecular weight of 135.21 g/mol, is an organic aromatic amine. It serves as a valuable building block in chemical synthesis. TSS supplies this compound with an assay of 99%, primarily for research and industrial applications where its amine functionality can be leveraged in various chemical transformations.
- IUPAC
- p-Aminocumene,Cumidine
- Synonyms
- p-AminocumeneCumidine

Chemical Synthesis Intermediate
4-Isopropylaniline functions as a key intermediate in the synthesis of more complex organic molecules. Its aromatic amine structure makes it suitable for reactions such as N-alkylation, acylation, and diazotization.
Research and Development
This compound is utilised in academic and industrial R&D settings for exploring novel synthetic pathways and developing new chemical entities. Its specific structure allows for targeted modifications in organic chemistry.
Hydroamination Studies
Historically, 4-Isopropylaniline has been documented for use in the hydroamination of alkynes, such as phenylacetylene, contributing to the formation of nitrogen-containing compounds.
| Molecular weight | 135.21 |
|---|---|
| Linear formula | (CH3)2CHC6H4NH2 |
| Assay | 99% |
| Boiling point | 226-227 °C/745 mmHg(lit.) |
| Density | 0.989 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.543(lit.) |
| Solubility | H2O: insoluble |
| Application | 4-Isopropylaniline was used in the hydroamination of phenylacetylene1. |

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 | 92 °C / 197.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| 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-Isopropylaniline used for?
+
4-Isopropylaniline is primarily used as a chemical intermediate in organic synthesis and for research and development purposes. It has also been noted in studies concerning the hydroamination of alkynes.
What is the CAS number and formula for 4-Isopropylaniline?
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The CAS number for 4-Isopropylaniline is 99-88-7, and its linear formula is (CH3)2CHC6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Isopropylaniline with a purity of 99% (assay). This product is supplied for laboratory and industrial use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Isopropylaniline be handled safely?
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4-Isopropylaniline is classified with GHS07 symbol and a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Handle in a well-ventilated area.
How is 4-Isopropylaniline packed, shipped, and exported?
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4-Isopropylaniline is packed according to relevant transport regulations, including those for hazardous materials such as NA 1993 / PGIII. TSS exports chemicals globally, adhering to international shipping standards.
How can I request a quote or sample?
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To request a quote or a sample of 4-Isopropylaniline, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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