4-Aminobenzoic acid 4-aminophenyl ester (APAB) CAS 20610-77-9
Aure Chemical Delivers Excellence in APAB
4-Aminobenzoic acid 4-aminophenyl ester (APAB), CAS 20610-77-9, is an aromatic diamine monomer featuring an ester linkage that contributes to molecular rigidity and controlled reactivity. Within the broader category of polyimide diamine monomers , APAB is typically discussed in terms of how ester-bridged aromatic structures influence thermal stability, mechanical reinforcement, and chemical resistance in polymer backbones.
Basic Information of APAB
| Product Name | 4-Aminobenzoic acid 4-aminophenyl ester |
|---|---|
| Abbreviation | APAB |
| CAS Number | 20610-77-9 |
| Molecular Formula | C13H12N2O2 |
| Molecular Weight | 228.25 g/mol |
| Appearance | Light yellow to brown powder or crystalline solid |
| Purity | ≥99% |
| Package | 1kg/bottle, 20kg/drum, or customized |
| Molecular Structure |  |
Key Properties
Rigid aromatic ester structure contributing to polymer stiffness
Good thermal and oxidative stability in polymer systems
Hydrogen-bonding potential that can enhance mechanical integrity
Compatibility with common dianhydrides used in polyimide synthesis
Chemical durability under demanding processing conditions
Application Contexts of APAB
Specialty and Functional Polyimides: APAB is often referenced in specialty functional polyimide material discussions , where ester-linked diamines are evaluated for balancing rigidity and processability.
High-Temperature Polymer Systems: Its aromatic backbone aligns with material considerations outlined in high-temperature polyimide application studies , particularly at the level of polymer structure–property relationships.
Electronics-Related Polyimide Materials: Mechanical stability and thermal endurance place APAB within the scope of electronics and semiconductor polyimide application contexts , without implying specific end-device use.
Detailed COA / TDS / MSDS are available upon request. Please Contact Us for more information.
Packaging, Logistics & Compliance Capabilities
Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.
Packaging Options
- 25 kg / 50 kg bags (fiber drum, aluminum bag, HDPE drum)
- 100 kg / 200 kg steel or HDPE drums
- 500 kg / 1000 kg IBC containers
- Bulk liquids in ISO tank containers
- Customized packaging upon request
Transportation Modes
- Sea freight (FCL / LCL)
- Air freight for selected products
- Road and rail transportation
- Dangerous & non-dangerous cargo handling
- Incoterms: EXW, FOB, CFR, CIF, DAP, DDP
Storage & Handling
- Dry, cool, and well-ventilated warehouses
- Segregation by hazard class
- FIFO inventory management
- Temperature-controlled storage if required
- Regular inspection & labeling control
Documentation & Compliance
- Safety Data Sheet (SDS)
- Certificate of Analysis (COA)
- Dangerous Goods Declaration (DGD)
- Packing List & Commercial Invoice
- IMDG / IATA / ADR compliant labeling
For packaging customization or logistics consultation, please contact us.
