【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.
