3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5

3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5

Identification
Properties
Safety Data
Specifications & Other Information
Links

Identification

CAS Number

2421-28-5

Name

3,3′,4,4′-Benzophenonetetracarboxylic dianhydride

Synonyms

1,3-Isobenzofurandione, 5,5′-carbonylbis- [ACD/Index Name]
4,4′-CARBONYLBIS(PHTHALIC ANHYDRIDE)
5,5′-Carbonylbis(2-benzofuran-1,3-dion) [German] [ACD/IUPAC Name]
5,5′-Carbonylbis(2-benzofuran-1,3-dione) [ACD/IUPAC Name]
5,5′-Carbonylbis(2-benzofurane-1,3-dione) [French] [ACD/IUPAC Name]
Benzophenonetetracarboxylic acid dianhydride
Benzophenone-tetracarboxylic-dianhydride
[2421-28-5]
101505-15-1 [RN]
160903-84-4 [RN]
163915-23-9 [RN]
174612-63-6 [RN]
219-348-1 [EINECS]
2421-28-5 [RN]
3, 3′,4,4′-Benzophenonetetracarboxylic dianhydride
3,3′,4,4′-Benzophenonetetracarboxylic dianhydride
3,3′,4, 4′-Tetracarboxybenzophenone dianhydride
3,3′,4,4′-Benzophenone tetracarboxylic dianhydride
3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride
3,3′,4,4′-Benzophenonetetracarboxylic Dianhydride
3,3′,4,4′-Benzophenonetetracarboxylicdianhydride
3,3,4,4-BENZOPHENONETETRACARBOXYLICDIANHYDRIDE
3,3′,4,4′-Tetracarboxybenzophenone dianhydride
4, 4′-Carbonylbis (phthalic anhydride)
4,4′-Carbonyldiphthalic anhydride
4,4′-Carbonyldiphthalic anhydride
4,4-Carbonyldiphthalic Anhydride
4,4′-Diphthalic anhydride ketone
5,5′-Carbonylbis(isobenzofuran-1,3-dione)
5,5′-Carbonylbis-1,3-isobenzofurandione
5-[(1,3-dioxoisobenzofuran-5-yl)carbonyl]isobenzofuran-1,3-dione
55206-66-1 [RN]
64308-15-2 [RN]
65929-27-3 [RN]
68593-66-8 [RN]
86442-22-0 [RN]
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
benzophenone-3,3′:4,4′-tetracarboxylic dianhydride
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
Benzophenone-3,3′-4,4′-tetracarboxylic dianhydrie
Benzophenonetetracarboxylic acid anhydride
Benzophenonetetracarboxylic anhydride
Benzophenonetetracarboxylic dianhydride
BTDA
MFCD00005923 [MDL number]
Phthalic anhydride, 4, 4′-carbonyldi-
Phthalic anhydride, 4,4′-carbonyldi-
Phthalic anhydride, 4,4′-carbonyldi- (8CI)

SMILES

c1cc2c(cc1C(=O)c3ccc4c(c3)C(=O)OC4=O)C(=O)OC2=O

StdInChI

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

StdInChIKey

VQVIHDPBMFABCQ-UHFFFAOYSA-N

Molecular Formula

C17H6O7

Molecular Weight

322.23

EINECS

219-348-1

Beilstein Registry Number

761777

MDL Number

MFCD00005923

Properties

Appearance

White crystalline powder

Melting Point

222ºC~225ºC

Safety Data

Symbol

exclamation-mark-jpgGHS07

Signal Word

Warning

Hazard Statements

H319-H335

Precautionary Statements

P305 + P351 + P338

Personal Protective Equipment

Dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes (Europe)

Xi

Risk Statements (Europe)

36/37

Safety Statements (Europe)

25

WGK Germany

1

Specifications and Other Information of Our 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5

Standard

Enterprise Standard

Identification Methods

HPLC

Purity

99% min

Loss on Drying

0.1% max

Acid value

0.1% max

Manufacturing Capacity

10-20MT/year

Storage

Under room temperature and away from light

Application

1. Synthesis of ketone anhydride, polyimides, used in foams, paints, films, fibers, composites, BTDA containing polyimides have excellent thermal oxidative stability, strength, solvent resistance, flexibility.
2. As an excellent epoxy curing agent, the resin has a high temperature stability, excellent electrical properties, chemical resistance, solvent resistance with BTDA.
3. In the polyester resin, ester formulations, urethane resin, alkyd resin, polybenzimidazole pyrrolidone and other formulations, one BTDA anhydride can be added excellent high temperature and oxidative stability.

Links

This product is sold exclusively through our sales company Watson International Ltd, and please click the link below for details.
http://watson-int.com/3344-benzophenonetetracarboxylic-dianhydride-cas-2421-28-5/