4,4'-Oxydiphthalic anhydride
Description- Product Name
- 4,4'-Oxydiphthalic anhydride
- CAS No.
- 1823-59-2
- Chemical Name
- 4,4'-Oxydiphthalic anhydride
- Synonyms
- ODPA;ODPA;s-ODPA;FCK;5,5'-Oxybis(isobenzofuran-1,3-dione);FFCF;Bis-(3-phthalyl anhy;oxydiphthalicanhydride;Oxydiphthalic anhydrid;4,4'-Oxydiphthalic Acid
- CBNumber
- CB6372079
- Molecular Formula
- C16H6O7
- Formula Weight
- 310.21
- MOL File
- 1823-59-2.mol
4,4'-Oxydiphthalic anhydride Property
- Melting point:
- 225-229 °C(lit.)
- Boiling point:
- 410.39°C (rough estimate)
- Density
- 1.4942 (rough estimate)
- refractive index
- 1.6380 (estimate)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- very slightly in Toluene,Acetone
- form
- powder to crystal
- color
- White to Light yellow to Light orange
- InChI
- InChI=1S/C16H6O7/c17-13-9-3-1-7(5-11(9)15(19)22-13)21-8-2-4-10-12(6-8)16(20)23-14(10)18/h1-6H
- InChIKey
- QQGYZOYWNCKGEK-UHFFFAOYSA-N
- SMILES
- O(C1C=CC2C(=O)OC(=O)C=2C=1)C1C=CC2C(=O)OC(=O)C=2C=1
- CAS DataBase Reference
- 1823-59-2(CAS DataBase Reference)
- NIST Chemistry Reference
- Bis-(3-phthalyl anhydride) ether(1823-59-2)
- EPA Substance Registry System
- 1,3-Isobenzofurandione, 5,5'-oxybis- (1823-59-2)
N-Bromosuccinimide Price
- Product number
- 524492
- Product name
- 4,4′-Oxydiphthalic anhydride
- Purity
- 97%
- Packaging
- 25g
- Price
- $127.2
- Updated
- 2024/03/01
- Product number
- O0237
- Product name
- 4,4'-Oxydiphthalic Anhydride
- Purity
- >98.0%(HPLC)
- Packaging
- 25g
- Price
- $59
- Updated
- 2024/03/01
- Product number
- O0237
- Product name
- 4,4'-Oxydiphthalic Anhydride
- Purity
- >98.0%(HPLC)
- Packaging
- 100g
- Price
- $192
- Updated
- 2024/03/01
- Product number
- O0423
- Product name
- 4,4'-Oxydiphthalic Anhydride (purified by sublimation)
- Purity
- >99.0%(HPLC)
- Packaging
- 5g
- Price
- $194
- Updated
- 2024/03/01
- Product number
- O870823
- Product name
- 5,5''-Oxybis(isobenzofuran-1,3-dione)
- Packaging
- 250mg
- Price
- $45
- Updated
- 2021/12/16
4,4'-Oxydiphthalic anhydride Chemical Properties,Usage,Production
Description
4,4'-Oxydiphthalic anhydride/ODPA(CAS:1823-59-2) is a solid, melts in the range of 225-229 °C and was first introduced in the mid-1980s, offering a greater degree of flexibility than other commercial dianhydrides. It also is somewhat less reactive than BTDA. ODPA has largely been used in polyimides and much less so in epoxies. It imparts special performance properties in free films and in FCCL production for high-end personal electronic devices.
Chemical Properties
off-white to white powder
Uses
4,4'-oxydiphthalic anhydride be used for the preparation of a polyimide material.
Preparation
The preparation of 4,4'-Oxydiphthalic anhydride is as follows:Chlorophthalic anhydride (30g, 160mmol), tetraphenyl phosphonium bromide (0.3g, 0.7mmol), and 2,5-dichlorobenzoic acid (0.08g, 0.4mmol) were heated to approximately 220℃. Potassium carbonate (7.95g, 58mmol) was added over 45 minutes. The reaction was sampled after addition of the potassium carbonate and showed a 24.9% conversion to 4,4'-oxydiphthalic anhydride. The reaction was heated for an additional 45 minutes. The reaction mixture was diluted with 1,2,4-trichlorobenzene (90g) and filtered. The 4,4'-oxydiphthalic anhydride was allowed to crystallize and was collected, washed with 1,2,4-trichlorobenzene followed by hexane, and dried in an air circulating oven at 120℃. to give crude 4,4'-oxydiphthalic anhydride, 12.9g.
Flammability and Explosibility
Not classified
IC 50
HepG2: IC50 = 121 μM (human); SK-HEP1: IC50 = 199 μM (human); Hepatocyte: IC50 >200 μM (rat)
4,4'-Oxydiphthalic anhydride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 4,4'-Oxydiphthalic anhydride manufacturers
- Product
- 4,4'-Oxydiphthalic anhydride 1823-59-2
- Price
- US $40.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 5000kg/week
- Release date
- 2024-05-17
- Product
- 4,4'-Oxydiphthalic anhydride 1823-59-2
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-02-24
- Product
- 4,4'-Oxydiphthalic anhydride(ODPA) 1823-59-2
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 1500KG/month
- Release date
- 2021-11-01