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3,3'4,4'-Benzophenonetetracarboxylic dianhydride

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Formula: C17H6O7
CAS: 2421-28-5
search Element: benzophenonetetracarboxylic dianhydride
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Identification

Structural Formula
3,3'4,4'-Benzophenonetetracarboxylic dianhydride
CAS:
2421-28-5
EINECS:
219-348-1
Molecular Formula:
C17H6O7
MDL:
MFCD00005923
Synonym:
btda~4,4-carbonyldiphthalic anhydride ; notavailable ; 4,4'-carbonyldiphthalic anhydride ; labotest-bb lt02097910 ; 4,4'-diphthalic anhydride ketone ; phthalic anhydride, 4,4'-carbonyldi- ; benzophenonetetracarboxylic anhydride ; btda ; 5,5'-carbonylbis-3-isobenzofurandione ; 4,4'-carbonylbis[phthalic anhydride]




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Prices & Availability




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Properties for 3,3'4,4'-Benzophenonetetracarboxylic dianhydride

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
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R36/37 - Irritating to eyes and respiratory system
Safety Codes:
S25 - Avoid contact with eyes
Hazard Symbols:
Xi
Hazard symbol Xi
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Alternative Distributors of [3,3'4,4'-Benzophenonetetracarboxylic dianhydride]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Degussa Japan Co., Ltd. | Nanjing Bilat Chemical Co., Ltd | Feiming Chemical Limited. | Shanghai Zhongyitai International Trading Co., Ltd. | ABCR GmbH & Co. KG | Beijing Multi Technology Co., Ltd. | TCI Europe NV | AK Scientific, Inc. | Sanowart Group Co., Ltd. | Suzhou Rovathin Pharmatech Co., Ltd | Anix-Chem Limited | Jinan Great Chemical Co., Ltd. | East Chemical Industry Co., Ltd. | C&K Chemical Co., Ltd | Watson International Ltd | Jinan Haohua Industry Co., Ltd. | Pfaltz & Bauer, Inc. | Gihi Chemicals Co., Limited | Yangzhou Princechem Co., Ltd.

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