The crude terephthalic acid was produced by liquid phase oxidation of p-xylene, which was hydrotreated, crystallized, separated and dried to produce terephthalic acid.

　　性能:白色结晶或粉末，低毒，易燃。如果与空气混合，在一定限度内遇到火就会燃烧甚爆炸。其自燃点为680℃，着火点为384~421℃，上升热为98.4kJ/mol，燃烧热为3225.9kJ/mol，密度为1.55g/cm3。溶于碱性溶液，微溶于热乙醇，不溶于水、乙醚、冰醋酸和氯仿。

　　Performance: white crystal or powder, low toxicity, flammable. If it is mixed with air, it will burn or even explode when encountering fire within a certain limit. Its self ignition point is 680 ℃, ignition point is 384 ~ 421 ℃, rising heat is 98.4kj/mol, combustion heat is 3225.9kj/mol, density is 1.55g/cm3. Soluble in alkaline solution, slightly soluble in hot ethanol, insoluble in water, ether, glacial acetic acid and chloroform.

　　本产品是聚酯的主要原料，可直接与乙二醇酯化得到聚酯，也可制成工程聚酯塑料，还可作为增塑剂和染料中间体的原料。

　　This product is the main raw material of polyester. It can be directly esterified with glycol to obtain polyester, can also be made into engineering polyester plastic, and can also be used as the raw material of plasticizer and dye intermediate.

　　精制对苯二甲酸的包装、储存袋均内衬塑料薄膜，每袋净重1000±2kg。包装袋上应印有制造商名称、地址、商标、品名、等级、批号、净重和标准代号。不锈钢槽车也可用于装载。装货前，检查油船是否清洁和干燥。装入后，进气道应密封，用铅密封。产品运输应防火、防潮、防静电。袋装产品应轻装轻卸，防止包装破损。装卸速度要控制，防止静电产生。储存在阴凉、通风、干燥的仓库内，远离火源和热源，与氧化剂、酸碱物品分开存放。它应该避免日晒雨淋，不应该堆放在露天。

　　The packaging and storage bags of purified terephthalic acid are lined with plastic film, and each bag has a net weight of 1000 ± 2kg. The packaging bag shall be printed with the manufacturer's name, address, trademark, product name, grade, batch number, net weight and standard code. Stainless steel tank cars can also be used for loading. Before loading, check whether the tanker is clean and dry. After installation, the air inlet shall be sealed with lead. Products shall be transported in a fire-proof, moisture-proof and anti-static manner. Bagged products shall be loaded and unloaded lightly to prevent package damage. Loading and unloading speed shall be controlled to prevent static electricity. Store in a cool, ventilated and dry warehouse, away from fire and heat source, separate from oxidant and acid-base articles. It should be kept away from the sun and rain and should not be stacked in the open.

　　以上是顺酐生产厂家小编为大家介绍的相关内容，想要了解更多内容，欢迎访问网站：http://www.jnjhhg.cnThe above is a brief introduction of maleic anhydride manufacturer. For more information, please visit http://www.jnjhhg.cn