1,1'-(Methylenebis(4,1-phenylene))bis(2-hydroxy-2-methylpropan-1-one)

Name: 1,1'-(Methylenebis(4,1-phenylene))bis(2-hydroxy-2-methylpropan-1-one)
Brand: ChemScene
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CAS No. 474510-57-1
Cat. No. CS-0468468
Purity≥98%
MDL No.MFCD16621105

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1,1'-(Methylenebis(4,1-phenylene))bis(2-hydroxy-2-methylpropan-1-one)|CS-0468468

Structure of 474510-57-1

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Description

This photoinitiator features a methylene-bridged bis(phenylene) core with two α-hydroxy ketone groups, enabling efficient radical generation under UV irradiation. The sterically hindered hydroxymethyl moieties enhance stability and reduce oxygen inhibition. Designed for high reactivity in acrylate-based coatings and adhesives, it delivers rapid cure kinetics with minimal yellowing.

Application

1,1'-(Methylenebis(4,1-phenylene))bis(2-hydroxy-2-methylpropan-1-one) serves as a robust bifunctional photoinitiator in polymerization systems, enabling efficient radical generation under UV irradiation. Its dual hydroxylated ketone groups facilitate high reactivity with vinyl monomers, while the rigid biphenyl backbone enhances thermal stability and minimizes migration in cured resins. Functions effectively in coatings, adhesives, and 3D printing formulations where controlled curing and minimal residual toxicity are critical.

General Information

CAS No. 474510-57-1
Cat. No. CS-0468468
Purity ≥98%
MDL No. MFCD16621105
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₁H₂₄O₄
Molecular Weight 340.41
Synonym(s) photoinitiator 127
SMILES O=C(C1=CC=C(C=C1)CC2=CC=C(C=C2)C(=O)C(O)(C)C)C(O)(C)C

Computational Chemistry Data

TPSA 74.6
LogP 3.1846
H_Acceptors 4
H_Donors 2
Rotatable_Bonds 6

Safety Information

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GHS Pictogram :	GHS No : GHS08,GHS09
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H373-H410
Precautionary Statements : P260-P273-P391-P501

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Other Classifications

Building Blocks Functional Group Ketone

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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1,1'-(Methylenebis(4,1-phenylene))bis(2-hydroxy-2-methylpropan-1-one)

CAS No. 474510-57-1

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