Safety Reference
Danger
H317May cause an allergic skin reaction
Sourcing PYROMELLITIC DIANHYDRIDE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Resacetophenone
reagent for iron
Sourcing PYROMELLITIC DIANHYDRIDE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Pyromellitic dianhydride (PMDA) is an organic compound that serves as a key precursor for the production of polyimide polymers, such as Kapton. It is a white, hygroscopic solid with a rigid, aromatic structure.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for PYROMELLITIC DIANHYDRIDE (CAS 89-32-7) is 2917.39.
2917.39
2917 39 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
furo[3,4-f][2]benzofuran-1,3,5,7-tetrone
ANSXAPJVJOKRDJ-UHFFFAOYSA-N
C1=C2C(=CC3=C1C(=O)OC3=O)C(=O)OC2=O