順酐全名為順丁烯二酸酐（Maleicanhydride），又稱為馬來酸酐，是一種有強烈刺激氣味的無色結晶粉末，順酐由苯經催化氧化或由丁烯或丁烷用空氣氧化而制得，溶于乙醇、乙醚和丙酮，難溶于石油醚和四氯化碳，與熱水作用而成馬來酸；用于雙烯合成、制藥物、農藥、染料中間體及制聚酯樹脂、醇酸樹脂、馬來酸等有機酸，也用作脂肪和油防腐劑等。

Maleic anhydride, also known as maleicanhydride, is a colorless crystalline powder with a strong pungent smell. Maleic anhydride is prepared by catalytic oxidation of benzene or oxidation of butene or butane with air. It is soluble in ethanol, ether and acetone, but insoluble in petroleum ether and carbon tetrachloride. It reacts with hot water to form Maleic acid; It is used in diene synthesis, drugs, pesticides, dye intermediates, polyester resin, alkyd resin, maleic acid and other organic acids, as well as fat and oil preservatives.

用途：

Purpose:

主要用于生產不飽和聚酯樹脂、醇酸樹脂、農藥馬拉硫磷、低毒農藥4049、長效碘胺的原料。也是涂料、馬來松香、聚馬來酐、順酐-苯乙烯共聚物。也是生產油墨助劑、造紙助劑、增塑劑和酒石酸、富馬酸、四氫呋喃等的有機化工原料。用作環氧樹脂的固化，在有機合成中可用于制造丁二酸、丁二酸酐等。在醫藥工業中用作制造長效磺胺等藥物。食品工業中用于制造酸味劑蘋果酸及酒石酸等。

It is mainly used as raw materials for the production of unsaturated polyester resin, alkyd resin, pesticide malathion, high efficiency and low toxicity pesticide 4049, and long-acting iodamine. It is also a coating, maleic rosin, polymaleic anhydride, maleic anhydride styrene copolymer. It is also an organic chemical raw material for the production of ink additives, papermaking additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, etc. Used as curing agent of epoxy resin, it can be used to produce succinic acid, succinic anhydride, etc. in organic synthesis. It is used in the pharmaceutical industry to manufacture long-acting sulfonamides and other drugs. In the food industry, it is used to manufacture sour agents, such as malic acid and tartaric acid.

氫氧化鉀廠家提醒，本品用作環氧樹脂的固化劑。本品是重要的基本有機原料之一，主要用于制不飽和聚酯樹脂、醇酸樹脂、尼龍-4等，也是生產紙張處理劑、膠黏劑、油墨、油漆、劑、除草劑、殺蟲劑、植物生長調節劑的主要原料。

Potassium hydroxide manufacturers remind that this product is used as a curing agent for epoxy resin. This product is one of the important basic organic raw materials. It is mainly used to make unsaturated polyester resin, alkyd resin, nylon-4, etc. it is also the main raw material for the production of paper treatment agents, adhesives, inks, paints, fungicides, herbicides, pesticides, plant growth regulators.

儲運:

Storage and transportation:

應貯存于陰涼干燥處。防止雨淋和日曬。貯存期為3個月。

Store in a cool and dry place. Prevent rain and sunshine. The storage period is 3 months.

包裝：

packing:

內襯塑料袋，外套編織袋包裝，凈重25kg、50kg；也可用內襯塑料袋，外裝鐵桶或木桶包裝，凈重50kg。

Lined with plastic bags and wrapped with woven bags, with net weights of 25kg and 50kg; It can also be packed in plastic bags and iron barrels or wooden barrels, with a net weight of 50kg.

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