Description
DETDA Polyurethane & Polyurea Chain Extender
CHLUMICURE® DETDA, CAS 68479-98-1. DETDA is an aromatic diamine used for chain extension and curing in compatible polyurethane and polyurea systems. It is particularly relevant to reaction injection molding (RIM) and spray polyurea elastomer (SPUA) formulations.
Identification des produits
| Marque | CHLUMICURE® |
|---|---|
| Modèle | DETDA |
| Nom chimique | Diethyltoluenediamine |
| No CAS | 68479-98-1 |
| Chemical Class | Liquid aromatic diamine |
Applications
- Reaction injection molding: evaluate DETDA as the reactive amine component in an appropriate RIM formulation.
- Spray polyurea elastomers: select against the required reaction profile and processing equipment.
- Polyurethane elastomers and epoxy resins: an amine curing component for compatible formulations.
Published Supplier Reference Data
The following values are reported for the reference supplier’s grade and are provided for preliminary selection only. They are not confirmed CHLUMICURE® sales specifications or lot test results. Obtain the current specification and COA for the grade offered before ordering.
| Apparence | Liquide transparent jaune clair |
|---|---|
| Pureté (GC) | ≥98% |
| Color (Gardner) | <5 |
| Teneur en eau | ≤0.1% |
| 3,5-Diethyltoluene-2,4-diamine | 75–82% |
| 3,5-Diethyltoluene-2,6-diamine | 17–24% |
Grade Selection and Processing
The published reference describes an isomer mixture. Confirm the isomer profile, amine value, moisture limit and reaction behavior for the grade offered. DETDA and DMTDA are different materials; do not transfer a mixing ratio or process schedule between them without evaluation.
Tell us the resin or prepolymer type, processing method and required end-use properties. Agree the reactive-group balance, working time and cure conditions with your formulation team. No universal dosage or guaranteed finished-product performance is specified here.
Packaging, Storage and Safety
Package size, availability, lead time and shelf life are subject to confirmation in the quotation. Request the current TDS, SDS and available batch COA. Follow the supplied SDS and label for storage, protective measures, transport and disposal. This product page does not replace safety documentation.
Request Pricing or Samples
Quote CHLUMICURE® DETDA, CAS 68479-98-1, and provide your application, quantity and destination. Use the inquiry form below or contact info@longchangchemical.com.
Produits associés
Explore CHLUMICURE® Curing Agents & Chain Extenders
Technical Reference
Public product information reviewed on 24 September 2026: Shanghai Chenhua — DETDA. Reference brands identify the source only; affiliation, identical grade specifications and interchangeability are not implied.
