Description
3,3′,4,4′-biphenyltetracarboxylic dianhydride/bpda
3,3′,4,4′-Biphenyltetracarboxylic dianhydride Quick Details
chemical name: 3,3′,4,4′-Biphenyltetracarboxylic dianhydride
Product name: BPDA
Cas No.: 2420-87-3
Molecular formula: C16H6O6
Molecular weight: 294.22
Molecular structure:
3,3′,4,4′-Biphenyltetracarboxylic dianhydridetypical Properties
Item
Standard
Test Results
Identification
A.H-NMR:Comply with the structure
Complies
B.LC-MS:Comply with the structure
Complies
C.The IR spectrum of sample should be identical with that of reference standard;
Complies
D.HPLC-ESI-MSThe retention time of the major peak in the chromatogram of the
Assay preparation corresponds to that in the chromatogram of the Standard
preparation, as obtained in the Assay.
Complies
Loss on drying
≤0.5%
0.11%
Heavy metals
≤10 ppm
<10ppm
Sulphated ash
≤0.2%, determined on 1.0 g.
0.009%
Related substances
Unspecified impurities: for each impurity
≤0.10%
<0.10%
Total Impurity
≤1.0%
0.18%
Purity
≥99.0%
99.82%
Assay
99.0%~101.0% (anhydrous substance).
99.9%
3,3′,4,4′-Biphenyltetracarboxylic dianhydrideUsage
Tape automated bonding (TAB), chip on film (COF), lead lock tape, high density flexible printed circuit (FPC), stiffener for FPC, office automation equipment, flexible solar cells, speaker diaphragms (for mobile phones, plasma televisions and car audio, etc.), heavy electric machinery, office automation equipment, thermal control film for satellites, printed circuit boards, metallic substrates, sheet heating elements, heat resistance wires.
3,3′,4,4′-Biphenyltetracarboxylic dianhydridePackaging and Shipping
Packing: 25kgs/drum.
Delivery: with in 5-7 working days.
3,3′,4,4′-Biphenyltetracarboxylic dianhydridestorage
Stored in a cool dry place out of direct sunlight.
