Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride(BTDA) - ≥99.5%, used for Used in the synthesis of polyimides. various applications , CAS No.2421-28-5

CAS: 2421-28-5 Cat. No.: B1507209 Formule: C17H6O7 Poids moléculaire: 322.23 Beilstein Registry Number: 761777 Numéro CE: 219-348-1
DISPONIBLE À COMMANDE
GRADE & PURITY ≥99.5%
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Allemagne (EU)
USA*
Price
Qty
5g
B1507209-5g
Sur commande · 8–12 semaines
17,27€
25g
B1507209-25g
Sur commande · 8–12 semaines
34,62€
100g
B1507209-100g
Sur commande · 8–12 semaines
112,72€
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Why this grade

≥99.5% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 42 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Vue d’ensemble

Benzophenone-3,3′,4,4′-tetracarboxylic acid is formed by hydrolysis, it can be converted to the dianhydride by treating with Ac2O (molar ratio 4 to 1 of acid).The dianhydride is used to synthesize polyimides, which are highly flexible in nature due to the presence of keto and carbonyl groups in the dianhydride molecule. The keto and carbonyl groups subsequently increase the spacing between the imide rings enhancing the solubility and processibility.

Specifications

Spécifications et pureté
≥99.5%
Application
Used in the synthesis of polyimides.
Conditions de stockage de stockage
Room temperature,Argon charged
Expédié en
Normal
Pureté
≥99.5%
Noms et identifiants
Sourires canoniques
O=C(C1=CC2=C(C=C1)C(=O)OC2=O)C1=CC2=C(C=C1)C(=O)OC2=O
IUPAC Name
5,5'-Carbonyldi(2-benzofuran-1,3-dione)
InChIKey
VQVIHDPBMFABCQ-UHFFFAOYSA-N
INCHI
InChI=1S/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H
Isomères SMILES
C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
WGK Allemagne
1
Poids moléculaire
322.23
Beilstein
761777
Reaxy-Rn
761777
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=761777&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClasseBenzene and substituted derivatives
SubclassBenzophenones
Intermediate Tree Nodes Not available
Direct ParentBenzophenones
Alternative Parents Tetracarboxylic acids and derivatives  Phthalic anhydrides  Isobenzofuranones  Aryl ketones  Carboxylic acid anhydrides  Oxacyclic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzophenone - Tetracarboxylic acid or derivatives - Phthalic_anhydride - Phthalic anhydride - Benzofuranone - Isobenzofuranone - Isocoumaran - Aryl ketone - Carboxylic acid anhydride - Ketone - Carboxylic acid derivative - Oxacycle - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxygen compound - Organooxygen compound - Organic oxide - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzophenones. These are organic compounds containing a ketone attached to two phenyl groups.
External Descriptors Not available
Structure 3D
Modèle de structure chimique interactif





Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateArticle
F2626147Certificate of AnalysisJul 10, 2026 B1507209
F2626145Certificate of AnalysisJul 07, 2026 B1507209
F2626146Certificate of AnalysisJul 04, 2026 B1507209
Propriétés chimiques et physiques
SolubilitéSoluble in DMF (0.1 g/mL). Reacts with water.Soluble in THF, Acetone
SensibilitéMoisture Sensitive
Point d'éclair (°F)615°F
Point d'éclair (°C)324°C
Point d'ébullition (°C)320°C/5mm
Point de fusion (°C)226°C
Citations of This Product
Calculateurs de solution
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