BIS(2,6-DIFLUORO-3-(1-HYDROPYRROL-1-YL)PHENYL)TITANOCENE

• CAT Number: M018224
• CAS Number: 125051-32-3
• Molecular Formula: C30H22F4N2Ti
• Molecular Weight: 534.37
• Purity: 98%
• Storage: Desiccate at -20C
• IUPAC Name: cyclopentane;1-(2,4-difluorobenzene-3-id-1-yl)pyrrole;titanium(2+)
• InChI: InChI=1S/2C10H6F2N.2C5H5.Ti/c2*11-8-3-4-10(9(12)7-8)13-5-1-2-6-13;2*1-2-4-5-3-1;/h2*1-6H;2*1-5H;/q2*-1;;;+2
• InChIKey: QHNPPOBPWLEPMT-UHFFFAOYSA-N
• SMILES: C1=CN(C=C1)C2=C([C-]=C(C=C2)F)F.C1=CN(C=C1)C2=C([C-]=C(C=C2)F)F.[CH]1[CH][CH][CH][CH]1.[CH]1[CH][CH][CH][CH]1.[Ti+2]

BIS(2,6-DIFLUORO-3-(1-HYDROPYRROL-1-YL)PHENYL)TITANOCENE(CAS 125051-32-3) is a good photoinitiator doped in photopolymer, which is used in photochemistry.This substanc is toxic to aquatic life with long lasting effects, is  flammable  and is suspected of damaging fertility or the unborn child. 

Reference

1. Practical Holography XXXI: Materials and Application. Vol. 10127. International Society for Optics and Photonics, 2017. Volume holographic recording in bis (2, 6-difluoro-3-(1-hydropyrrol-1-yl) phenyl) titanocene-doped PMMA photopolymer (Conference Presentation).  Liu Y, Hong Y, Fan F, Zang J, Tan X. 

2.Journal of Polymer Science Part A: Polymer Chemistry. 2018 May 1;56(9):994-1002.Efficient photopolymerization of thick pigmented systems using upconversion nanoparticles‐assisted photochemistry.Li Z, Chen H, Wang C, Chen L, Liu J, Liu R

Photopolymerization of thick pigmented systems still remains challenging due to the light screening effect of the pigments. Here, we present a facile method based on upconversion nanoparticles (UCNPs)‐assisted photochemistry to achieve efficient photopolymerization and improved curing depth of pigmented systems. Under a 980‐nm laser irradiation, UCNPs are able to convert NIR light into UV and visible light to activate photoinitiators for the initiation of polymerization. Influencing factors on photopolymerization were systematically investigated. With optimal parameters, 25.5 mm of photopolymerization depth combined with 70% of maximal double bond conversion was obtained. The peak temperature of 120.4 °C during UCNPs‐assisted photopolymerization is comparable with or lower than that of some reported frontal photopolymerization applied to prepare functional composite polymeric materials. Both indentation hardness and reduced modulus of the photocured materials using UCNPs as internal lamps were higher than those of the reference cured under traditional blue LED light.