英语好的帮我翻译一下啊!

1.To the best of our knowledge,the chemical,physical,and toxicological properties have not been thoroughly investigated.
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2.The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide.
以上信息相信是正确的， 但并不详尽， 仅供参考。

3.The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions.
此文件的信息是基于我们现有的知识之基础， 适合作为此产品的适当的安全防范（依据）。

4.It does not represent any guarantee of the properties of the product.
此不代表任何产品特性的保证。