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3, 3, 4, 4-benzophenonetetra carboxylic dianhydride |
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CAS NO: 2421-28-5 Quantity: 5000Metric Tons
Additional_detail: C17H6O7 purity: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.
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