Application:
1. As a hardening agent of furan resin which is applied in foundry industry (sand casting).
2. As catalyst for esterification, transesterification, etc.
3. As intermediate of dye chemistry, adhesives and special plasticizers.
4. When neutralized with alkaline, it becomes a hydrotrope used in detergent industry.
1. Specification: (1) Appearance: amber liquid. (2) Purity(mixture,%): 65±1. 2. Isomer distribution(%): (1) Para: 85.0. (2) Ortho: 10.0. (3) Meta: 5.0. 3. Free sulfuric acid(%): 0.5 Max.