I’m sorry, but I couldn’t find any information about the chemical compound B2O5S2. It seems that there is no chemical substance with this formula. Perhaps you made a mistake when writing the formula.
Please check again and provide the correct chemical formula so I can provide the right information for you.
If you need information on another chemical substance, please provide its name or chemical formula and I will provide the information you need. Thank you for your understanding and sympathy.