N,N-Diethyl-p-phenylenediamine
N,N-Diethyl-p-phenylenediamine (CAS 93-05-0) is an organic compound with the molecular formula (C2H5)2NC6H4NH2 and a molecular weight of 164.25 g/mol. It functions as a valuable building block in chemical synthesis and is recognised for its role in kinetic studies, particularly in investigating chlorination rates. This compound offers essential properties for researchers and industrial chemists requiring specific nitrogen-containing organic molecules.
- IUPAC
- 4-Amino-N,N-diethylaniline
- Synonyms
- (C2H5)2NC6H4NH24-Amino-N,N-diethylaniline

Chemical Kinetics Research
N,N-Diethyl-p-phenylenediamine is utilised as a reference probe in stopped-flow spectrophotometric competition kinetics methods. It is employed to investigate rapid chlorination rate constants in various chemical systems.
Organic Synthesis
As a diamine derivative, it serves as a versatile building block in organic synthesis. Its structure allows for incorporation into more complex molecules, finding use in the development of new chemical entities.
Analytical Chemistry Applications
This compound can be applied in analytical methods where its specific reactivity or properties are advantageous. Further research may unveil additional analytical applications.
| Molecular weight | 164.25 |
|---|---|
| Linear formula | (C2H5)2NC6H4NH2 |
| Assay | 97% |
| Boiling point | 115-116 °C/5 mmHg(lit.) |
| Density | 0.988 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.571(lit.) |
| Solubility | water: insoluble |
| Melting point | 19-21 °C(lit.) |
| Application | N,N-Diethyl-p-phenylenediamine has been employed as a reference probe to investigate rapid chlorination rate constants by a stopped-flow spectrophotometric competition kinetics method1. |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 139 °C / 282.2 °F |
| Transport (UN / ADR) | UN 2922 6.1(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-34 |
| Safety statements (S) | 26-36-45 |
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 N,N-Diethyl-p-phenylenediamine used for?
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N,N-Diethyl-p-phenylenediamine is used as a reference probe in chemical kinetics studies, particularly for investigating rapid chlorination rate constants. It also serves as a building block in organic synthesis.
What is the CAS number and formula for N,N-Diethyl-p-phenylenediamine?
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The CAS number is 93-05-0, and the formula is (C2H5)2NC6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,N-Diethyl-p-phenylenediamine with an assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should N,N-Diethyl-p-phenylenediamine be handled safely?
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N,N-Diethyl-p-phenylenediamine is classified as Dangerous Goods. It is harmful if swallowed and causes severe skin burns and eye damage. Handle with extreme caution, using appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Refer to the Safety Data Sheet (SDS) for full details.
Is N,N-Diethyl-p-phenylenediamine a controlled substance?
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The provided data does not indicate that N,N-Diethyl-p-phenylenediamine is a controlled substance. However, always verify local regulations.
How are chemicals like N,N-Diethyl-p-phenylenediamine packed and exported?
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N,N-Diethyl-p-phenylenediamine is packed according to international shipping regulations for hazardous materials (UN 2922, 6.1(8), PG II). Tech Serve Solutions exports globally, ensuring compliance with all relevant transport and customs requirements.
How can I request a quote or sample for N,N-Diethyl-p-phenylenediamine?
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To request a quote or sample, please contact our sales team through the website or provide your requirements via email. Our team will respond promptly.
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