N,N-Diethylaniline
N,N-Diethylaniline (CAS: 91-66-7) is a tertiary amine with the linear formula (C2H5)2NC6H5 and a molecular weight of 149.23 g/mol. This colourless to pale yellow liquid serves as a vital intermediate in organic synthesis. Its primary applications include the production of azo disperse dyes, use in one-pot syntheses of oxazol-5(4H)-ones, and the preparation of prenylisoflavones via Claisen rearrangement.
- IUPAC
- DEA
- Synonyms
- (C2H5)2NC6H5DEA
Dye Synthesis Intermediate
N,N-Diethylaniline is utilised in the synthesis of azo disperse dyes, contributing to the vibrant colours used across various industries. Its specific chemical structure makes it a valuable component in dye manufacturing.
Organic Synthesis Reagent
This compound functions as a key reagent in diverse organic syntheses. It has been employed in the one-pot synthesis of oxazol-5(4H)-ones, facilitating efficient chemical transformations.
Precursor for Flavonoid Synthesis
N,N-Diethylaniline serves as a precursor in the preparation of specific organic compounds, such as 6′-prenylisoflavone. This is achieved through established chemical processes like the Claisen rearrangement.
| Molecular weight | 149.23 |
|---|---|
| Linear formula | (C2H5)2NC6H5 |
| Assay | ≥99% |
| Boiling point | 217 °C(lit.) |
| Density | 0.938 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.542(lit.) |
| Solubility | water: soluble1g in 70ml at 12 °Calcohol: slightly solublechloroform: slightly solublediethyl ether: slightly soluble |
| Melting point | −38 °C(lit.) |
| Vapour pressure | 1 mmHg (49.7 °C) |
| Vapour density | 5.2 (vs air) |
| Autoignition temp | 1166 °F |
| Application | N,N-Diethylaniline was used in one-pot synthesis of oxazol-5(4H)-ones1. It was used in the synthesis of azo disperse dyes2. It was used to prepare 6′-prenylisoflavone via Claisen rearrangement3. |
Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 88 °C / 190.4 °F |
| Transport (UN / ADR) | UN 2432 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-33-51/53 |
| Safety statements (S) | 28-37-45-61 |
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 N,N-Diethylaniline used for?
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N,N-Diethylaniline is used as an intermediate in the synthesis of azo disperse dyes, in one-pot syntheses of oxazol-5(4H)-ones, and in the preparation of compounds such as 6′-prenylisoflavone via Claisen rearrangement.
What is the CAS number and formula for N,N-Diethylaniline?
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The CAS number for N,N-Diethylaniline is 91-66-7, and its linear formula is (C2H5)2NC6H5.
What grade and purity does Tech Serve Solutions supply for N,N-Diethylaniline?
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Tech Serve Solutions supplies N,N-Diethylaniline with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.
How should N,N-Diethylaniline be handled safely?
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N,N-Diethylaniline is classified with Danger signal word due to toxicity (H301, H311, H331) and potential organ damage (H373), along with environmental hazards (H411). Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and respiratory protection. Ensure adequate ventilation and avoid release to the environment.
How is N,N-Diethylaniline packed and shipped?
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N,N-Diethylaniline is shipped according to UN 2432 regulations, classified under Hazard Class 6.1 and Packing Group III. Packaging adheres to international shipping standards for hazardous materials.
How can I request a sample or quote for N,N-Diethylaniline?
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To request a sample or a quote for N,N-Diethylaniline, please contact our sales team through the enquiry form on our website or by calling our direct line.
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