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161330 Sigma-Aldrich

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

≥94%

Synonym: 1,2,3,4-Cyclobutanetetracarboxylic dianhydride, Cyclobutanetetracarboxylic acid dianhydride, Cyclobutanetetracarboxylic dianhydride, Maleic anhydride cyclic dimer

  • CAS Number 4415-87-6

  • Empirical Formula (Hill Notation) C8H4O6

  • Molecular Weight 196.11

  •  Beilstein/REAXYS Number 1430553

  •  EC Number 224-577-5

  •  MDL number MFCD00004944

  •  PubChem Substance ID 24849922

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, Carbonyl Compounds, Carboxylic Acid Anhydrides, Chemical Synthesis, Organic Building Blocks More...
assay   ≥94%
mp   >300 °C (lit.)
storage temp.   room temp
SMILES string   O=C1OC(=O)C2C1C3C2C(=O)OC3=O
InChI   1S/C8H4O6/c9-5-1-2(6(10)13-5)4-3(1)7(11)14-8(4)12/h1-4H
InChI key   YGYCECQIOXZODZ-UHFFFAOYSA-N

Description

Application

Cyclobutane-1,2,3,4-tetracarboxylic dianhydride was used to synthesize polyimide films and poly(amic acid) having liquid crystal alignment layers.

Reactant for:
• Preparation of biologically and pharmacologically active molecules
• Preparation of photosensitive polyimide material for high performance organic thin-film transistors
• Selective crosslinking of polyimide for photonic devices

Packaging

5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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