Maleic Anhydride Name:cis-butenedioic anhydride, Maleic anhydride, Toxilic anhydride Molecular formula:C4H2O3 Molecular mass：98.058 Usage：used for producing polyester resin, alkyd, pesticide, allomaleic acid, agent for paper and so on. Physical and chemical properties: at ambient temperature, it is a while granule, needle, rod, block or block agglomerate shape, having strong irritant.Relative density:1.48, M.P.:52.8℃, B.P.:202.2℃. Under lower temperature (60-80℃), it can sublimate, soluble in ethanol, ether and acetone, can react with water to produce maleic acid, combustible. If its vapor is mixed with powder dust and air, it may form exploded mixture. Property Executed standard (GB-3676-92) Appearance White,Flake ,Briquette Content ≥99.5％ Crystal Point ≥52.4℃ Molten Color APHA ≤25Pt-Co Ash ≤0.005% Iron Content ≤5ppm Packing Knitting bag with liner plastic Traft Bag With PE Lining, 500Kg Jumbo Bag

Taking customer satisfaction as the goal in past ten years, Shijiazhuang Longze Chemical Co., Ltd. has experienced diversified and rapid development. At present, our business scope includes custom synthesis of chemicals and pharmaceutical excipients, contract processing, and trade of chemicals, plastic products and waterproof materials; we are a specialized company in the research, development and production of pharmaceutical excipients and specialty chemicals.
Longze attaches great significance to honest business and construction of brand. Committing to such idea of "providing core values for the upstream and downstream suppliers and customers in this industry", we keep introducing talents and seeking for a way of getting sustainable development. We strive to create society more values and provide customers with the most quality and efficient services.
Looking to the future, Longze will take China as base to expand business into global market, and strive to establish long-term cooperative relations with professional companies all around the world. With harmonious and enterprising spirit and professional & focusing attitude, we keep making innovations and seeking to be a outstanding company, and working hard to make Longze a competitive, united, honest and sustainable enterprise.