myTechnical Documents
Pyromellitic dianhydride. Acts as a curative for epoxy resins. Can be used in admixtures with other anhydrides.
Details
CAS
89-32-7
Common names
1,2,4,5Benzenetetracarboxylic dianhydride
Recommended for
Applications
Producer
Supplier
Chemical Composition
Pyromellitic dianhydride
Advantages
- It has low mix viscosity which helps in an easier incorporation of additives Has a variable pot life for optimal processing
- Has variable cure schedules to accommodate existing heating equipment
- Provides optimum purity and particle size to meet specific requirements
- Boosts the heat resistance of adhesives
- Adhesives incorporating JAYHAWK™ dianhydrides exhibit the dimensional stability, adhesion and heat resistance required for the increasing design complexity of smartphones and tablets
Other Applications
Adhesives
Storage
It is sensitive to acid formation in the presence of moisture.
Exposure to air should be minimized in order to avoid quality and processing variations.
Handling
EINECS (201-898-9), TSCA
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Color | <150 | َApha | |
| Appearance | |||
| Physical state | powder | ||
| Physical Properties | |||
| Specific Gravity | 1.680 | 20°C | |
| Melting range | 284 - 288 | ºC | |
| Molecular weight | 218.12 | g/mol | |