| by 范建辉 since Dec 2007 in Mandarin, Live Messenger, Learn & lookup, Text recognition, Avatar, Amateur |
化工精灵-最权威的化工产品信息数据库，输入化工产品的CAS号，返回该产品详细信息，如：别名，分子式，分子量，熔点，沸点，密度等数据，以及安全性参数现已收录近2万条数据，数据不断更新中，欢迎大家使用。
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