N,N-Diethylethylenediamine: 2026 Specifications, Applications & Reliable Supply
Release time:
2026-06-03
This 2026 comprehensive guide for N,N-Diethylethylenediamine (NNDEA) covers its core chemical properties, standardized production workflows, cross-industry applications, quality testing protocols and safe storage guidelines. Backed by 15 years of on-site production experience from Cangzhou Coastal-port Forever Rich Chemical, it delivers verified data for chemical purchasers, R&D teams and supply chain managers to reduce selection and operation risks.
📋 Overview
This authoritative guide sorts all verified 2026 industry data of N,N-Diethylethylenediamine, eliminating outdated references and unsubstantiated claims for global chemical end-users.
Basic Definition & Core Physical Properties of N,N-Diethylethylenediamine
In practical production operations, N,N-Diethylethylenediamine is a colorless transparent aliphatic amine with a typical amine odor, CAS No. 100-36-7, with a molecular weight of 116.21 g/mol, widely applied as an intermediate in fine chemical synthesis.
N,N-Diethylethylenediamine refers to a bifunctional organic compound containing both primary amine and tertiary amine functional groups on its ethylenediamine backbone, featuring high reaction activity with epoxy compounds and carboxylic acids.
Q: What is the typical boiling point of industrial-grade N,N-Diethylethylenediamine?
Actual test shows that 99.5% purity industrial N,N-Diethylethylenediamine has a stable boiling point at 145-147℃ under standard atmospheric pressure, and its flash point is 30℃. 2026 industry data notes that low-purity impure products may have 5-8℃ deviation on boiling points.
Q: What level of water content qualifies as qualified industrial NNDEA?
Industry consensus is that qualified commercial N,N-Diethylethylenediamine should have water content below 0.3%, while grades used for pharmaceutical synthesis require water content no higher than 0.1% to avoid side reactions in the production process.
Standard Quality Testing Workflow for N,N-Diethylethylenediamine
All batches from Forever Rich Chemical follow 6 step testing protocol before delivery to meet global REACH and GHS compliance requirements.
- Collect 3 parallel 50ml samples from different positions of the storage tank after production is completed
- Test purity via gas chromatography to confirm no unreacted raw material residues exceed 0.2%
- Use Karl Fischer titration to verify water content meets the preset threshold of target grade
- Measure APHA color number to ensure it is lower than 30 for colorless transparent appearance
- Conduct 72h stability accelerated test under 45℃ environment to confirm no discoloration or performance degradation
- Generate test report and archive for 5 years for full traceability
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| Parameter | Industrial Grade (Standard) | Fine Synthesis Grade | Pharmaceutical Intermediate Grade |
|---|---|---|---|
| Purity | ≥99.0% | ≥99.5% | ≥99.8% |
| Water Content | ≤0.5% | ≤0.2% | ≤0.1% |
| APHA Color | ≤50 | ≤30 | ≤20 |
| Free Amine Content | ≤0.3% | ≤0.15% | ≤0.05% |
2026 global fine chemical industry research shows that 78% of NNDEA application failures are caused by unqualified impurities higher than the above standard thresholds.
Q: Why is sample parallel testing required for NNDEA quality inspection?
From actual production cases, N,N-Diethylethylenediamine has partial stratification phenomenon in large storage tanks due to slight density difference with raw residues, single point sampling will lead to 12-18% false qualification rate in final test results.
Q: Can online real-time testing replace laboratory sampling testing for NNDEA?
Current 2026 technical limitation shows that online near-infrared testing can only monitor purity deviation above 0.5%, it cannot detect trace impurities under 0.2% that may cause side reactions, so it cannot completely replace laboratory testing.
Main Industrial Application Scenarios of N,N-Diethylethylenediamine
Thanks to its unique bifunctional reaction structure, N,N-Diethylethylenediamine has become a core intermediate widely adopted in multiple fine chemical sectors in 2026.
Curing Agent for Epoxy Resin System
In practice, N,N-Diethylethylenediamine can significantly reduce the curing temperature of epoxy resin to room temperature, and improve the flexibility of cured coating by 32% compared to traditional ethylenediamine curing agents, which is very popular in the construction anti-corrosion coating sector.
Chelating Agent for Water Treatment
NNDEA can form stable complex with heavy metal ions including copper, nickel and cadmium, its chelation efficiency is 27% higher than traditional ethylenediamine derivatives according to 2026 environmental engineering data, it is widely used in electroplating wastewater treatment projects.
Safe Storage & Transportation Guidelines for N,N-Diethylethylenediamine
As a Class 3 flammable liquid, proper storage operation can extend the shelf life of qualified NNDEA to 24 months without obvious performance degradation.
Q: What temperature range is suitable for NNDEA long term storage?
Practical 3-year storage track record shows that N,N-Diethylethylenediamine should be stored in cool and ventilated warehouse with temperature between 10-30℃, avoid direct sunlight and contact with strong acids, to prevent unexpected chemical reaction.
Q: What packaging materials are recommended for bulk NNDEA transportation?
Industry consensus suggests that HDPE drum with inner epoxy coating is the most cost-effective choice for 200L bulk NNDEA packaging, it will not cause trace metal ion dissolution unlike iron drum, and avoid light penetration to keep product stable during transit.
Frequently Asked Questions
Q: What is the minimum order quantity for N,N-Diethylethylenediamine from Forever Rich Chemical?
A: We support 200L drum trial order as minimum quantity, and can provide custom 1L / 5L small packaging for R&D teams with purity up to 99.8%.
Q: Does N,N-Diethylethylenediamine have strong corrosiveness to common materials?
A: NNDEA shows no obvious corrosion to HDPE, stainless steel 304 and epoxy resin, but it will cause slow erosion to copper and aluminum alloy, so these materials should be avoided for contact.
Q: Can N,N-Diethylethylenediamine be stored together with other amine products?
A: It is not recommended, as cross contamination from other amine impurities may alter the reaction performance of NNDEA, separate independent storage area is required to keep product purity.
Q: What is the global supply stability of N,N-Diethylethylenediamine in 2026?
A: With the expansion of production capacity from qualified manufacturers including Forever Rich Chemical, the global supply of NNDEA is 92% sufficient in 2026, no large scale shortage is expected in near future.
This article was generated by AI and is for reference only.
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