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900889

Sigma-Aldrich

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

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF5492V
WXBF4382V
WXBF4890V
WXBF3632V
WXBF3163V

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Kavin Kowsari et al.
iScience, 24(11), 103372-103372 (2021-11-27)
To address current unmet needs in terms of scalability and material biocompatibility for future photocrosslinking-based additive manufacturing technologies, emergent platform designs are in inexorable demand. In particular, a shift from the present use of cell-damaging UV light sources in light-based
Andrew C Daly et al.
Nature communications, 12(1), 753-753 (2021-02-04)
Cellular models are needed to study human development and disease in vitro, and to screen drugs for toxicity and efficacy. Current approaches are limited in the engineering of functional tissue models with requisite cell densities and heterogeneity to appropriately model
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
Zhiguang Qiao et al.
Biomaterials, 266, 120385-120385 (2020-10-30)
Despite significant advances in osteochondral tissue engineering, it remains challenging to successfully reconstruct native-like complex tissues organized in three-dimension with spatially varying compositional, structural and functional properties. In this contribution, inspired by the gradients in extracellular matrix (ECM) composition and
Zachary M Geisterfer et al.
STAR protocols, 1(3), 100221-100221 (2020-12-31)
Cell-free extract derived from the eggs of the African clawed frog Xenopus laevis is a well-established model system that has been used historically in bulk aliquots. Here, we describe a microfluidic approach for isolating discrete, biologically relevant volumes of cell-free
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