馬來(lái)酸酐又稱(chēng)順丁烯二酸酐（MAH）或者馬來(lái)酸酐或者失水蘋(píng)果酸，簡(jiǎn)稱(chēng)順酐，本品有毒，毒性比順?biāo)岽?，是順丁烯二酸的酸酐，室溫下為有酸味的無(wú)色或白色固體，分子式為C4H2O3。
Maleic anhydride is also known as maleic anhydride (MAH) or maleic anhydride or dehydrated malic acid, referred to as maleic anhydride. This product is toxic and more toxic than maleic acid. It is an anhydride of maleic acid. It is a colorless or white solid with acid taste at room temperature, and its molecular formula is c4h2o3.
順酐廠家
Maleic anhydride manufacturer
儲(chǔ)存注意事項(xiàng)：儲(chǔ)存于陰涼、干燥、通風(fēng)良好的庫(kù)房。遠(yuǎn)離火種、熱源。保持容器密封。應(yīng)與氧化劑、還原劑、酸類(lèi)、食用化學(xué)品分開(kāi)存放，切忌混儲(chǔ)。配備相應(yīng)品種和數(shù)量的消防器材。儲(chǔ)區(qū)應(yīng)備有合適的材料收容泄漏物；
Storage precautions: store in cool, dry and well ventilated warehouse. Keep away from fire and heat sources. Keep the container sealed. It should be stored separately from oxidants, reducing agents, acids and edible chemicals, and should not be mixed. Fire fighting equipment of corresponding variety and quantity shall be provided. The storage area should be equipped with suitable materials to hold the leakage;
聚酯樹(shù)脂，醇酸樹(shù)脂，農(nóng)藥，富馬酸，紙張?zhí)幚韯┑取?馬來(lái)酸酐是一種重要的有機(jī)化學(xué)中間體，可用于制造塑料工業(yè)中的增塑劑。 造紙工業(yè)中的紙張加工劑; 合成樹(shù)脂工業(yè)中的不飽和聚酯樹(shù)脂; 涂料工業(yè)中的醇酸涂料; 中馬拉硫磷的合成; 制藥行業(yè)磺胺藥。 近年來(lái)，主要用作原料的琥珀酸和酒石酸工業(yè)迅速發(fā)展，它們?cè)诠こ探ㄔO(shè)，食品調(diào)味劑和生物溶劑中的應(yīng)用也在擴(kuò)大。 由馬來(lái)酸酐的下游衍生物，例如1，4-丁二醇，四氫呋喃，γ-丁內(nèi)酯等也已得到很大發(fā)展。
Production of polyester resin, alkyd resin, pesticides, fumaric acid, paper treatment agent and so on. Maleic anhydride is an important organic chemical intermediate, which can be used to produce plasticizer in plastic industry. The paper processing agent in paper industry; unsaturated polyester resin in synthetic resin industry; alkyd coating in coating industry; malathion synthesis in production; sulfonamides production in pharmaceutical industry. In recent years, the industry of succinic acid and tartaric acid, which are mainly used as raw materials, are developing rapidly. Their applications in engineering construction, food seasoning and biological solvent are also expanding. The downstream derivatives produced by maleic anhydride, such as 1,4-butanediol, tetrahydrofuran and γ - butyrolactone, have also been greatly developed.
順丁烯二酸酐
Maleic anhydride
物化性質(zhì)：室溫下為白色顆粒，針狀，薄片，棒狀，塊狀或團(tuán)塊，具有強(qiáng)烈刺激性。 相對(duì)密度1.48，熔點(diǎn)52.8°C，沸點(diǎn)202.2°C，在較低溫度(60-80°C)下也能升華，溶于乙醇，乙醚和丙酮，與水形成馬來(lái)酸 。 可燃物，其蒸氣和粉塵與空氣混合形成爆炸性混合物。
Physical and chemical properties: white particles at room temperature, needle like, thin, rod-shaped, block or lump, with strong irritation. The relative density is 1.48, the melting point is 52.8 ° C, and the boiling point is 202.2 ° C. It can also be sublimated at a lower temperature (60-80 ° C). It is soluble in ethanol, ether and acetone, and forms maleic acid with water. Combustible materials, whose vapor and dust are mixed with air to form an explosive mixture.
琥珀酸酐
Succinic anhydride
性質(zhì)：無(wú)色針狀或粒狀晶體，溶于乙醇，氯仿和四氯化碳，微溶于水和乙醚。 可用熱水將其水解為琥珀酸。 mp119.6; bp261oC，d1.503。
Properties: colorless needle or granular crystal, soluble in ethanol, chloroform and carbon tetrachloride, slightly soluble in water and ether. It can be hydrolyzed into Succinic Acid by hot water. mp119.6; bp261oC，d1.503。
用途：GB2760-90中規(guī)定的食品加工助劑，用于合成藥物，農(nóng)藥，酯和樹(shù)脂，也可用于琥珀酸的合成和分析試劑。
Uses: food processing aids specified in gb2760-90, used in the synthesis of drugs, pesticides, esters and resins, as well as the synthesis and analysis reagent of succinic acid.
