малеинового ангидрида

Our company is a factory producing MALEIC ANHYDRIDE and FUMARIC ACID products with a history about 20 years. Our enterprise scale can be second to none among counterparts in Henan Province. Our manufacturing technique and craftsmanship level occupy an advanced position among counterparts in the nation, and the quality of our products is also in the forefront in the nation. Our products such as FUMARIC ACID, enjoys high popularity and reputation in the business for a long time. In addition, our products have been sold in the USA, some European countries and Japan, always praised by our customers. MALEIC ANHYDRIDE Produced by catalyzing and oxidizing benzene, or oxidizing C4. Physicochemical Properties: a. Constitutional Formula: b. Molecular Weight: 98.058 c. Character: It is always white or yellowish, lumpy or schistic crystal, easy to be dissolved in ethanol, ether and acetone, and owning a strong, pungent odor .Its boiling point is 202,and it is easy to sublimate. Main Quality Index ItemTop GradeFirst GradeQualified GradePurity≥99.599.098.5Melted Chrominace(platinum,cobalt)≤2550100CrystallizationPoint ≥52.452.051.5