161330
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
≥94%
Synonym(s):
1,2,3,4-Cyclobutanetetracarboxylic dianhydride, Cyclobutanetetracarboxylic acid dianhydride, Cyclobutanetetracarboxylic dianhydride, Maleic anhydride cyclic dimer
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About This Item
Empirical Formula (Hill Notation):
C8H4O6
CAS Number:
Molecular Weight:
196.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
224-577-5
Beilstein/REAXYS Number:
1430553
MDL number:
Assay:
≥94%
Form:
solid
Quality Level
assay
≥94%
form
solid
mp
>300 °C (lit.)
functional group
anhydride, ester
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
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
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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The synthesis and X-ray structure of 1, 2, 3, 4-cyclobutane tetracarboxylic dianhydride and the preparation of a new type of polyimide showing excellent transparency and heat resistance.
Suzuki H, et al.
Journal of Polymer Science: Part A, General Papers, 38(1), 108-116 (2000)
Synthesis and characterization of novel polyimides with 1-octadecyl side chains for liquid crystal alignment layers.
Lee YJ, et al.
Polymers For Advanced Technologies, 18(3), 226-234 (2007)
Mei Zhang et al.
Polymers, 12(7) (2020-07-16)
Transparent polyimides (PI) films with outstanding overall performance are attractive for next generation optoelectronic and microelectronic applications. Semi-alicyclic PIs derived from alicyclic dianhydrides and aromatic diamines have proved effective to prepare transparent PIs with high transmittance. To optimize the combined
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 161330-5G | 04061831828610 |