3,3’,4,4,’-benzophenonetetra carboxylic dianhydride

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3,3’,4,4,’-benzophenonetetra carboxylic dianhydride
Posting date : Oct 08, 2008
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CHEMICAL | Organic ch
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29-
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C17H6O7 putity:99% CAS:2421-28-5 Appearance: light yellow powder solid.Warning! Cause respiratory tract irritation. Causes eye irritation. May cause digestive tract irritation. May cause skin irritation. Moisture sensitive. The toxicological properties of this material have not been fully investigated. Fax 86-28-85356300 Telephone 86-(0)13568934485 MSN chemscu@hotmail.com E-mail scienceonline@163.com
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