149063

1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt)

Dye content 90 %

• Synonym(s): Squarylium dye III
• Empirical Formula (Hill Notation): C₂₀H₂₀N₂O₂
• CAS Number: 43134-09-4
• Molecular Weight: 320.39
• NACRES: NA.23
• PubChem Substance ID: 24848931
• UNSPSC Code: 12352103
• MDL number: MFCD00142504

Properties

• form: solid
• composition: Dye content, 90%
• mp: >300 °C (lit.)
• λmax: 625 nm
• SMILES string: CN(C)c1ccc(cc1)C2=C([O-])C(=C3/C=CC(\C=C3)=[N+](\C)C)\C2=O
• InChI: 1S/C20H20N2O2/c1-21(2)15-9-5-13(6-10-15)17-19(23)18(20(17)24)14-7-11-16(12-8-14)22(3)4/h5-12H,1-4H3
• InChI key: HERJDZWHZQOZLU-UHFFFAOYSA-N

Description

General description

1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt) is an organic dye with an electron withdrawing squaraine as the central group and strong electron donating dimethylaminophenyl groups. It is majorly utilized in the development of organic electronic devices.

Safety Information

• 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: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves