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.
| Item | Specification | Unit | Remarks |
| Product Name | Dibutyl maleate | — | Alias: Di-n-butyl maleate |
| CAS Number | 105-76-0 | — | TSCA listed; toxic to aquatic organisms |
| Molecular Formula | C??H??O? | — | Linear formula: CH?(CH?)?OCOCH=CHCOO(CH?)?CH? |
| Molecular Weight | 228.28 | g/mol | |
| Appearance | Colorless to pale yellow transparent oily liquid | — | Ester-like odor; flammable; slightly hygroscopic |
| Melting Point | < -80 | ℃ | lit. = literature value; approx. -85℃ |
| Purity | ≥99.0 | % | High-purity grade; GC/HPLC |