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Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride_Molecular_structure_CAS_2421-28-5)
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Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride

Catalog No. 262463 Name Sigma Aldrich
CAS Number 2421-28-5 Website http://www.sigmaaldrich.com
M. F. C17H6O7 Telephone 1-800-521-8956
M. W. 322.22534 Fax
Purity 96% Email
Storage Chembase ID: 111656

SYNONYMS

Title
3,3',4,4'-二苯甲酮四甲酸二酐
IUPAC name
5-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl)-1,3-dihydro-2-benzofuran-1,3-dione
IUPAC Traditional name
5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
Synonyms
3,3',4,4'-苯甲酮四羧酸酐
4,4′-Carbonyldiphthalic anhydride

DATABASE IDS

PubChem SID 24855743
Beilstein Number 761777
EC Number 219-348-1
MDL Number MFCD00005923
CAS Number 2421-28-5

PROPERTIES

Empirical Formula (Hill Notation) C17H6O7
Purified By sublimation
Purity 96%
Auto Ignition Point 975 °F
Melting Point 218-222 °C(lit.)
Vapor Density 1.4 (vs air)
Vapor Pressure <0.1 mmHg ( 0 °C)
Explode Limits 16 %
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37
Safety Statements 25
German water hazard class 1

DETAILS

Description (English)
Packaging
5, 25 g in glass bottle
Description (简体中文)
包装
5, 25 g in glass bottle

REFERENCES