Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: 2,6-Naphthalenedicarboxylic acid
CAS No: 1141-38-4
Molecular Formula: C??H?O?
Molecular Weight: 190.00 g/mol
Classification: Organic acid monomer, polyester raw material, fine chemical intermediate
Physical & Chemical Properties
Appearance: White crystalline powder
Melting Point: >300 ℃
Solubility: Insoluble in water, slightly soluble in ethanol, soluble in hot alkaline solution
Purity: ≥99.0% (HPLC)
Main Uses
Key monomer for high-performance polyester PEN, pharmaceutical intermediate, organic synthesis raw material, liquid crystal material intermediate
Packaging & Storage
Packaging: 25kg lined paper drum
Storage: Sealed, cool, dry, ventilated, away from high temperature and oxidants
Shelf Life: 24 months
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | 2,6-Naphthalenedicarboxylic acid | — | |
| CAS Number | 1141-38-4 | — | |
| Molecular Formula | C??H?O? | — | |
| Molecular Weight | 190.00 | g/mol | |
| Appearance | White crystalline powder | — | |
| Purity | ≥99.0 | % | HPLC |
| Melting Point | >300 | ℃ | Decomposition |
| Solubility | Insoluble in water, soluble in hot alkali | — | |
| Application | PEN polyester monomer, organic intermediate | — | |
| Storage | Cool, dry, sealed, heat-proof | — | |
