抗氧剂hw-245
【商品名trade name】抗氧剂245 ;hw-245
【产品名称chemical name】
二缩三乙二醇双[β-(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯]
ethylenebis(oxyethylene)bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate]
【分子结构structural formula】
【cas】36443-68-2   【分子量molecular weight】 586.8
【比重specific gravity】1.14（20oc） 
【质量标准specification】
项    目  item
指    标   index
外    观  appearance
白色或类白色结晶  whiteto off-white crystal
纯    度  assay
≥98.0%
熔    点  melting point
76.0℃～79.0℃
挥 发 分 volatiles
≤0.5%
透 光 率 transmittance
425nm≥95.0%,500nm≥97.0%
溶 解 性 solubility
清澈10g/100g三氯甲烷 clear chloroform
灰    分  ash
≤0.1％
【用   途】
该产品作为抗氧剂用于hips、mbs、abs等苯乙烯聚合物，pom、pa等工程塑料以及氨纶等聚氨酯的加工和长期热稳定性的改进。同时在pvc聚合工艺中也是有效的链终止剂。
【包装及贮存】
复合牛皮纸袋包装，20kg/袋；或纸箱包装，25kg/箱；宜低温、干燥、通风处贮存；避免接触食品、饮料。同时应避免接触火星、灰尘和静电等。可办理汽运、海运及铁路运输；防晒、隔热、防潮湿，常温二年。
[use]
the product is used as an antioxidant in styrene polymer (such as hips, mbs, abs), engineering plastics (such as pom, pa) and polyurethane (such as urethane elastic fiber).
[safety]
rabbits on the test indicate that the goods are no stimulation to the skin and no adverse reactions. many countries allow the goods to contact the food packaging materials.
[packing and storing]
in thick paper bag, net wt.20kg, or carton, net wt.25kg; maximum recommended storage time under suitable conditions (dry, cool, well-ventilated) beyond testing date24 months.

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蓬莱红卫化工有限公司
于海燕
15505356941
北沟镇华盛路2号