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Merck

900889

Lithium phenyl-2,4,6-trimethylbenzoylphosphinate

≥95%

Synonym(s):

LAP

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About This Item

Empirical Formula (Hill Notation):
C16H16LiO3P
CAS Number:
85073-19-4
Molecular Weight:
294.21
MDL number:
MFCD29472537
UNSPSC Code:
12352128
NACRES:
NA.23

Key Documents

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Quality Level

100

assay

≥95%

form

crystalline powder

color

white to off-white

storage temp.

2-8°C

SMILES string

CC1=C(C(P(C2=CC=CC=C2)(O[Li])=O)=O)C(C)=CC(C)=C1

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Application

Lithium phenyl-2,4,6-trimethylbenzoylphosphinate (LAP) is a water soluble, cytocompatible, Type I photoinitiator for use in the polymerization of hydrogels or other polymeric materials. This photoinitator is preferred over Irgacure 2959 for biological applications due to its increased water solubility, increased polymerization rates with 365 nm light, and absorbance at 400 nm allowing for polymerization with visible light. The improved polymerization kinetics enable cell encapsualation at reduced initiator concentration and longer wavelength light, which has been shown to reduce initiator toxicity and increase cell viability.

Features and Benefits

  • Superior water solubility
  • Biocompatible
  • Sensitiveto visible light

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

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Benjamin D Fairbanks et al.
Macromolecules, 44(8), 2444-2450 (2011-04-23)
Various techniques have been adopted to impart a biological responsiveness to synthetic hydrogels for the delivery of therapeutic agents as well as the study and manipulation of biological processes and tissue development. Such techniques and materials include polyelectrolyte gels that
Benjamin D Fairbanks et al.
Biomaterials, 30(35), 6702-6707 (2009-09-29)
Due to mild reaction conditions and temporal and spatial control over material formation, photopolymerization has become a valuable technique for the encapsulation of living cells in three dimensional, hydrated, biomimetic materials. For such applications, 2-hydroxy-1-[4-(2-hydroxyethoxy) phenyl]-2-methyl-1-propanone (I2959) is the most
Pui -Yan Lee et al.
Pharmaceutical research, 37(11), 220-220 (2020-10-15)
Gold porphyrin (AuP) is a complex that has been shown to be potent against various tumors. A biocompatible interpenetrating network (IPN) system comprised of polyethyleneglycol diacrylate (PEGdA) and chemically-modified gelatin has been shown to be an effective implantable drug depot
Juliana S Ribeiro et al.
Biomacromolecules, 21(9), 3945-3956 (2020-08-14)
Oral bacterial infection represents the leading cause of the gradual destruction of tooth and periodontal structures anchoring the teeth. Lately, injectable hydrogels have gained increased attention as a promising minimally invasive platform for localized delivery of personalized therapeutics. Here, an
Joshua D McCall et al.
Biomacromolecules, 13(8), 2410-2417 (2012-06-30)
Photoinitiated polymerization remains a robust method for fabrication of hydrogels, as these reactions allow facile spatial and temporal control of gelation and high compatibility for encapsulation of cells and biologics. The chain-growth reaction of macromolecular monomers, such as acrylated PEG
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