【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   white to 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 date 24 months.
蓬莱红卫化工有限公司
18615050682
中国 烟台