化学名称： n.n'－2－β萘基对苯二胺;
n,n-二-（β-萘基）对苯二胺
英文名称： n.n'－di－β－naphtge－p－phenylenedamine
chemical name:n,n-di-β-naphthy1-p-phenylenediamine
分子量： 360.46
molecular weight: 360.46
用途： 本品为橡胶和塑料加工的重要低毒性抗氧剂之一，耐热，抗老化，抗铜、锰等有害金属性能特性
appearance:light grey bright pieces crystal.if it is exposed to light for a long time,it will red ,even dark grey.
质量标准(quality standard)：
1.外观(appearance): 灰白色粉末(grey powder)
2.初熔点(干品)≥225℃
(early melting):point(dry basis):not less than 225℃
3.灰粉含量≤0.50%
ash content:not more than 0.50%
4.b-萘粉含量≤0.30%
β-naphthol content:not more than 0.30%
5.加热减量≤0.50%
heat deceleration:not more than 0.50%
6.细度: 1600孔/平方厘米 筛余物≤0.50%
fineness:not less than 99.5%
(pass through the sifter with 1600 hole/cm2)

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郑州市中原区光明化工商行
李少帅
13526663586
中国 郑州