161330

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

≥94%

• Sinónimos: 1,2,3,4-Cyclobutanetetracarboxylic dianhydride, Cyclobutanetetracarboxylic acid dianhydride, Cyclobutanetetracarboxylic dianhydride, Maleic anhydride cyclic dimer
• Fórmula empírica (notación de Hill): C₈H₄O₆
• Número de CAS: 4415-87-6
• Peso molecular: 196.11
• Beilstein/REAXYS Number: 1430553
• EC Number: 224-577-5
• MDL number: MFCD00004944
• UNSPSC Code: 12352100
• PubChem Substance ID: 24849922
• NACRES: NA.22

Propiedades

• assay: ≥94%
• form: solid
• mp: >300 °C (lit.)
• functional group: anhydride
• 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

Descripción

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

Información de seguridad

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves