Benzophenone-3,3',4,4'-tetracarboxylic dianhydride

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Identify Properties Safty Prices Suppliers 2 Links

CAS 2421-28-5

Formula C17H6O7

MDL MFCD00005923

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
534359043048	Benzophenone-3,3',4,4'-tetracarboxylic dianhydride (534359043048)		on request	+ -

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Identify

Synonyms:

btda ; 4,4'-diphthalic anhydride ketone ; benzophenonetetracarboxylic anhydride ; btda~4,4-carbonyldiphthalic anhydride ; notavailable ; 5,5'-carbonylbis-3-isobenzofurandione ; phthalic anhydride, 4,4'-carbonyldi- ; 4,4'-carbonyldiphthalic anhydride ; labotest-bb lt02097910 ; 4,4'-carbonylbis[phthalic anhydride]

CAS:

2421-28-5

EINECS:

219-348-1

Molecular Formula:

C17H6O7

MDL:

MFCD00005923

SMILES:

C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O

Properties

Molecular Weight:

322.23 g·mol−1

Density:

1,57 g/cm³

Melting point:

218-222 °C(lit.)

Boiling point:

320 °C 5mm

Flash point:

324 °C

Solubility:

DMF: 0.1 g/mL, clear

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37 (R)

Safety Codes:

25 (S)

WGK Germany:

Prices

For Benzophenone-3,3',4,4'-tetracarboxylic dianhydride we can currently show 8 prices in the last 9 years as an extract from the researched prices. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 105.00 for 500 g to USD 13.00 per 25 g in 2023 .