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China (Mainland)
Business Type:Trading Company
Mobile: 18954221560
Tel: 18954221560
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URL: http://www.eastchem-cn.com
Province/state: Shangdong
City: Qingdao
Street: No.1581-12,Jinshui Road, Licang, Qingdao,China
Contact SuppliersCAS NO.68479-98-1
CAS NO.68479-98-1
FOB price
Product Name: DETDA
Full Chemical Name: Diethyltoluenediamine
CAS No.: 68479-98-1
Supply Type: Factory Direct Supply • Best Competitive Price
Source: East Chemsources
Revision Date: 2026-02-01
Version: 1.0
| Item | Specification |
|---|---|
| Product Name | DETDA |
| Chemical Name | Diethyltoluenediamine |
| CAS Number | 68479-98-1 |
| Molecular Formula | C??H??N? |
| Molecular Weight | 178.27 g/mol |
| Main Isomers | 2,6-diethyl-4-methylaniline & 2,4-diethyl-6-methylaniline mixture |
| Typical Application | Chain extender / curing agent for polyurethane elastomers, RIM, coatings, adhesives |
| Item | Typical Value |
|---|---|
| Appearance | Clear to pale yellow liquid, free from suspended impurities |
| Density (25 °C) | 0.970 – 0.980 g/cm³ |
| Boiling Point | ~256 – 260 °C |
| Flash Point (closed cup) | > 130 °C |
| Viscosity (25 °C) | 18 – 25 mPa·s |
| Refractive Index (25 °C) | 1.520 – 1.530 |
| Purity (GC) | ≥ 98.0 % |
| Moisture Content | ≤ 0.10 % |
| Acidity (as HCl) | ≤ 0.05 % |
| Color (APHA) | ≤ 100 |
| Solubility | Soluble in alcohols, ketones, aromatic hydrocarbons; slightly soluble in water |
| Test Item | Standard | Test Method |
|---|---|---|
| Appearance | Clear pale yellow liquid | Visual Inspection |
| Color, APHA | ≤ 100 | APHA Colorimeter |
| Purity, % | ≥ 98.0 | GC |
| Moisture, % | ≤ 0.10 | Karl Fischer |
| Acidity, % (as HCl) | ≤ 0.05 | Titration |
| Density (25 °C), g/cm³ | 0.970 – 0.980 | Density Meter |
| Viscosity (25 °C), mPa·s | 18 – 25 | Rotational Viscometer |
DETDA is a high-performance aromatic diamine chain extender and curing agent widely used in:
It features fast curing rate, moderate reactivity, excellent mechanical properties, good hydrolysis resistance and thermal stability.
This Technical Data Sheet (TDS) is based on reliable test data and factory production standards. It is provided for reference only and does not represent a final warranty of performance or suitability for all applications.
The buyer is responsible for verifying product compatibility in their specific formulation and process conditions. East Chemsources guarantees consistent batch quality according to the specification listed above.

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Founded in 2008, we are a fully integrated enterprise specializing in the research, development and manufacturing of chemical products. Over the past 15 years+, leveraging continuous technological innovation and strategic talent acquisition, we have experienced robust growth and emerged as a modern, internationalized and diversified chemical conglomerate. Presently, our product portfolio spans four core categories – food additives, pharmaceutical raw materials, specialty chemicals and personal care ingredients – with a global footprint covering more than 80 countries and regions worldwide.
Since inception, we have steadfastly upheld our corporate tenet: "Integrity First, Quality Paramount". We are dedicated to fostering a customer-centric service philosophy, anchored in meeting client requirements, driving customer value creation and fulfilling client objectives. Guided by a forward-looking perspective and collaborative mindset, we strive to deliver sound financial returns, optimize market operations and build a distinguished, industry-leading brand.
Regardless of your project scale or scope of service requirements – spanning a single business segment, multiple domains or our full suite of capabilities – our unwavering commitment to delivering premium-quality outcomes remains consistent. We eagerly anticipate forging mutually beneficial partnerships with you
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