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  8. 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

Catalog No. AAA1652922
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AAA1652936 500 g
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Catalog No. AAA1652922 Supplier Thermo Scientific Chemicals Supplier No. A1652922
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Description

CAS: 2421-28-5 | C17H6O7 | 322.228 g/mol

BTDA polymer fine free-flowing powder suitable for general purposes. BTDA Microfine Micronized powder facilitates mixing in epoxy resins. BTDA ultrapure high-purity, high-assay powder for critical polyimide synthesis.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
BTDA polymer fine free-flowing powder suitable for general purposes. BTDA Microfine Micronized powder facilitates mixing in epoxy resins. BTDA ultrapure high-purity, high-assay powder for critical polyimide synthesis.

Solubility
Soluble in DMF (0.1 g/mL). Reacts with water.

Notes
Moisture Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 2421-28-5
Molecular Formula C17H6O7
Molecular Weight (g/mol) 322.228
MDL Number MFCD00005923
InChI Key VQVIHDPBMFABCQ-UHFFFAOYSA-N
Synonym 3,3',4,4'-benzophenonetetracarboxylic dianhydride, benzophenonetetracarboxylic dianhydride, benzophenonetetracarboxylic acid dianhydride, 1,3-isobenzofurandione, 5,5'-carbonylbis, 4,4'-carbonylbis phthalic anhydride, 4,4'-carbonyldiphthalic anhydride, 4,4'-diphthalic anhydride ketone, benzophenonetetracarboxylic anhydride, phthalic anhydride, 4,4'-carbonyldi, unii-y61gva8097
PubChem CID 75498
IUPAC Name 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
SMILES C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O

Specifications

Melting Point 220°C to 226°C
Density 1.57
Boiling Point 320°C (5 mmHg)
Flash Point 324°C (615°F)
Quantity 100 g
Beilstein 761777
Sensitivity Moisture sensitive
Solubility Information Soluble in DMF (0.1g/mL). Reacts with water.
Formula Weight 322.23
Percent Purity ≥97%
Chemical Name or Material 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
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Safety and Handling

Hazard Category H317-H319-H335
Hazard Statement GHS H Statement
H319-H335
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P272-P280-P302+P352-P304+P340-P305+P351+P338-P312-P333+P313-P363-P501c
EINECSNumber 219-348-1
TSCA Yes
Recommended Storage Ambient temperatures
SDS

RUO – Research Use Only

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