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

Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%
SKU: A16529.22

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

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2.5 kg

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Catalog number A16529.22

also known as A16529-22

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Chemical Identifiers

CAS2421-28-5

IUPAC Name5-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl)-1,3-dihydro-2-benzofuran-1,3-dione

Molecular FormulaC17H6O7

InChI KeyVQVIHDPBMFABCQ-UHFFFAOYSA-N

SMILESO=C(C1=CC=C2C(=O)OC(=O)C2=C1)C1=CC=C2C(=O)OC(=O)C2=C1

Specifications

Specification Sheet

FormPowder or flakes

Assay (HPLC)≥97.0%

Identification (FTIR)Conforms (UK Sourced Material)

CommentMaterial Sourced in UK and US

Appearance (Color)White to cream to yellow to brown

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.

RUO – Research Use Only

General References:

Horng-Long Tyan,; Kung-Hwa Wei,; Tsung-Eong Hsieh. Mechanical properties of clay-polyimide (BTDA-ODA) nanocomposites via ODA-modified organoclay. Journal of Polymer Science Part B: Polymer Physics. 2008, 38(44),2873-2878.
James F. Dezern. Synthesis and characterization of BTDA-based polyamide-imides. Journal of Polymer Science Part A: Polymer Chemistry. 1988, 26 (9), 2157-2169.