BrIC

CAS Number 507484-47-1

Chemistry Building Blocks, Monomers, Non-Heterocyclic Building Blocks

BrIC, used to synthesise non-fullerene acceptors for highly efficient solar cells

High purity monomer available online with free worldwide shipping on qualifying orders

Overview
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BrIC (CAS number 507484-47-1), also known as 2-[5(6)-Bromo-3-oxo-2,3-dihydro-1H-inden-1-ylidene]malononitrile, is a mono-brominated 3-(dicyanomethylidene)indan-1-one that is electron deficient with both carbonyl and malononitrile function groups.

BrIC can be used as an intermediate for the synthesis of non-fullerene acceptors (NFAs) such as TPT10 for highly efficient organic solar cells. Compared to fluorination and chlorination, bromination can more effectively lower the energy levels of the resulting NFA and shift the absorption spectra further into the near-infrared.

Red-shifted absorption

Bromide substituent lowers HOMO/LUMO energy levels

High purity

>98% BrIC Purity

Worldwide shipping

Quick and reliable shipping

Electron deficient end group

For the synthesis of highly efficient NFAs

General Information

CAS Number	507484-47-1
Chemical Formula	C₁₂H₅BrN₂O
Molecular Weight	273.08 g/mol
Full Name	2-[5(6)-Bromo-3-oxo-2,3-dihydro-1H-inden-1-ylidene]malononitrile
Synonyms	ICBr, 2-[5(6)-Bromo-2,3-Dihydro-3-oxo-1H-inden-ylidene]-propanedinitrile
Classification / Family	Malononitrile, Indanone, Monomer and intermediates, None-fullerene acceptors (NFAs), NFA-OSCs, printing electronics

Chemical Structure

Bric - 2-((5)6-Bromo-3-oxo-2,3-dihydro-1H-inden-1ylidene)malononitrile, 507484-47-1 — Chemical structure of BrIC, CAS 507484-47-1

Product Details

Purity	>98% (by NMR)
Melting Point	N/A
Appearance	Orange powder

MSDS Documentation

BrIC MSDS Sheet

Literature and Reviews

Bromination and increasing the molecular conjugation length of the non-fullerene small-molecule acceptor based on benzotriazole for efficient organic photovoltaics, N. Zhang et al., RSC Adv., 11, 13571-13578 (2021); DOI: 10.1039/D1RA01348C.
High Efficiency Polymer Solar Cells with Efficient Hole Transfer at Zero Highest Occupied Molecular Orbital Offset between Methylated Polymer Donor and Brominated Acceptor, C. Sun et al., J. Am. Chem. Soc., 142, 1465−1474 (2020); DOI: 10.1021/jacs.9b09939.
Bromination: An Alternative Strategy for Non‐Fullerene Small Molecule Acceptors, H. Wang et al., Adv. Sci (Weinh), 7(9), 1903784 (2020); DOI: 10.1002/advs.201903784..

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