Basic information Description Uses Physical properties Health Hazard Environmental effects Safety Supplier Related
ChemicalBook >  Product Catalog >  Organic Chemistry >  Carboxylic acids and derivatives >  Carboxylic Acid Anhydrides >  3,3',4,4'-Benzophenonetetracarboxylic dianhydride

3,3',4,4'-Benzophenonetetracarboxylic dianhydride

Basic information Description Uses Physical properties Health Hazard Environmental effects Safety Supplier Related

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Basic information

Product Name:
3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Synonyms:
  • 1,3-Isobenzofurandione, 5,5'-carbonylbis-
  • 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride
  • 3,3',4,4'-Tetracarboxybenzophenone dianhydride
  • 3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride
  • BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE
  • BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE
  • BTDA~4,4-Carbonyldiphthalic anhydride
  • 3,3',4,4'-BENZOPHENONETETRACARBOXYLIC DI ANHYDRIDE, SUBLIMED, 98%
CAS:
2421-28-5
MF:
C17H6O7
MW:
322.23
EINECS:
219-348-1
Product Categories:
  • pharmacetical
  • Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research)
  • Benzophenones (for High-Performance Polymer Research)
  • Functional Materials
  • Reagent for High-Performance Polymer Research
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, pharmaceutical intermediates
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
Mol File:
2421-28-5.mol
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride Chemical Properties

Melting point:
218-222 °C (lit.)
Boiling point:
320°C 5mm
Density 
1,57 g/cm3
vapor density 
1.4 (vs air)
vapor pressure 
<0.1 mm Hg ( 0 °C)
refractive index 
1.6380 (estimate)
Flash point:
324 °C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
DMF: 0.1 g/mL, clear
form 
Needles or Crystalline Powder
color 
Off-white to brown
explosive limit
16%
Water Solubility 
REACTS
λmax
580nm(CH3CN)(lit.)
Sensitive 
Moisture Sensitive
Sublimation 
220-230 ºC
BRN 
761777
InChIKey
VQVIHDPBMFABCQ-UHFFFAOYSA-N
NIST Chemistry Reference
Bis-(3-phthalyl anhydride) ketone(2421-28-5)
EPA Substance Registry System
Benzophenonetetracarboxylic dianhydride (2421-28-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37
Safety Statements 
25
WGK Germany 
1
21
Autoignition Temperature
975 °F
TSCA 
Yes
HS Code 
29183000

MSDS

  • Language:English Provider:BTDA
  • Language:English Provider:ACROS
  • Language:English Provider:SigmaAldrich
  • Language:English Provider:ALFA
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride Usage And Synthesis

Description

Benzophenone-3,3',4, 4'-tetracarboxylic dianhydride (BTDA) is used as intermediate and in polycondensation (fiber and powder production) to manufacture plastic products or fine chemicals in the industrial sector. Consumer risk is very unlikely as BTDA is manufactured and handled under closed conditions in industrial settings only. The environmental effects, ecotoxicology and toxicology information available for BTDA is provided based on studies and/or a reliable evaluation of its hazardous properties.

Uses

BTDA is used as intermediate in the manufacture of plastic products or fine chemicals in the industrial sector. 

Physical properties

BTDA is a tan-colored crystalline powder. The substance has a melting point of 218.67 °C and shows decomposition at 360 °C. The auto-ignition temperature is very high and no flammability is observed. The substance has a density of 1.5452 g/ml and a vapor pressure of 6.53E-011 Pa. The substance is slightly water soluble and has a log Pow of 3.3.

Health Hazard

BTDA has no acute toxicity by oral and inhalative route or by dermal exposure. The substance is irritating to eyes and the respiratory tract. BTDA is sensitizing to skin. BTDA is not mutagenic.

Environmental effects

Based on available data for the substance, BTDA is harmful to aquatic organisms with long lasting effects. The substance is not readily biodegradable and is not considered to have potential to bioaccumulate.BTDA is industrially used as monomer to manufacture the rmoplastics or another substance. The manufacture and handling is a closed process, thus only very limited exposure to the environment is expected. Any exposure from manufacture or use will generally be below the level of concern.

Chemical Properties

white crystall powder

Uses

BTDA is important monomer of polyimide, and used for production of polyimide material. 

Uses

Used in the synthesis of polyimides.

Purification Methods

The main impurity is the free acid formed by hydrolysis (check for OH bands in the IR). This can be converted to the dianhydride by treating with Ac2O (molar ratio of 4 to 1 of acid), heating at 110-120o for 1.5 to 2hours, cooling to 0—5o and collecting the dianhydride. This is then dissolved in hot dioxane or Me2CO, filtered and cooled to 10—15o. The moisture sensitive solid is collected and dried at 120—130o in vacuo. It has been sublimed at high vacuum. [Faberov et al. J Org Chem USSR 4 153 (English translation) 1968.]

3,3',4,4'-Benzophenonetetracarboxylic dianhydride Preparation Products And Raw materials

Raw materials

3,3',4,4'-Benzophenonetetracarboxylic dianhydrideSupplier

CHINATECH(TIANJIN) CHEMICAL CO.,LTD. Gold
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022-83726202-
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sales@chinatechem.com
Chengdu Yuanda chemical co.,ltd Gold
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028-85356300-
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chenquanxing@126.com
Changzhou Josen Pharmaceutical Chemical Material Co., Ltd. Gold
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444964576@qq.com
Mascot I.E. Co., Ltd Gold
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0519-85010339- ;0519-85780366- ;
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info@mascot-ie.com;yangh@mascot-ie.com;dept1_2@mascot-ie.com
Shanghai Macklin Biochemical Co.,Ltd. Gold
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Email
shenlinxing@macklin.cn