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4,4′-Oxydiphthalic Anhydride Cas 1823-59-2 (ODPA) Purity 99% for Polyimide
CAS No.:1823-59-2
Purity:99%min
Place of Origin:China
Appearance:White to White powder
Application:PI Monomer
MF:C16H6O7
ODPA is a rigid, aromatic dianhydride used as a key monomer for high‑performance polyimides, epoxy curing agents, and specialty resin systems. It imparts excellent thermal stability, mechanical strength, and chemical resistance.
Product picture:
Function
1.Precursor for polyimide and polyamide–imide resins
2.Curing agent in high‑temperature epoxy systems
3.Monomer for liquid crystal polyester synthesis
4.Intermediate in advanced composite materials
2.Curing agent in high‑temperature epoxy systems
3.Monomer for liquid crystal polyester synthesis
4.Intermediate in advanced composite materials
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Name
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4,4′-Oxydiphthalic anhydride
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CAS
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1823-59-2
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Melting point
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225-229 °C(lit.)
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Boiling point
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410.39°C (rough estimate)
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Storage temp
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Inert atmosphere,Room Temperature
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Color
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White to light yellow to light orange
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Package:25kg
