675067
12-Mercaptododecanoic acid
96%
Synonym(s):
MDA
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About This Item
Empirical Formula (Hill Notation):
C12H24O2S
CAS Number:
Molecular Weight:
232.38
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
MDL number:
Assay:
96%
Form:
solid
InChI
1S/C12H24O2S/c13-12(14)10-8-6-4-2-1-3-5-7-9-11-15/h15H,1-11H2,(H,13,14)
SMILES string
OC(=O)CCCCCCCCCCCS
InChI key
SDAWVOFJSUUKMR-UHFFFAOYSA-N
assay
96%
form
solid
mp
45-50 °C
storage temp.
2-8°C
Quality Level
Related Categories
General description
12-Mercaptododecanoic acid (MDA) is a carboxylic acid terminated thiol that forms self-assembled monolayers (SAMs) on a variety of surfaces. It provides a blocking effect and immobilizes the surface atoms.
Application
MDA can functionalize gold nanoparticles which can form screen printed electrodes for electrochemical detection. It can also form ligands with cadmium selenium (CdSe) quantum dots (ODs) which can be deposited on titanium oxide(TiO2) based films.
This compound is used to produce hydrophilic SAMs. The resulting monolayers which are terminated with carboxylic acids can be further functionalized to introduce more complex end groups. Used in a study of the effect of molecular structure on the precision of copper-bound α,ω-mercaptoalkanoic acid "molecular ruler" stacks.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
>230.0 °F
flash_point_c
> 110 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Synthesis and assembly of gold and iron oxide particles within an emulsion droplet; facile production of Core@ Shell particles.
Sachdev S, et al.
Colloids and Interface Science Communications, 16(6), 14-18 (2017)
Electrochemical characterization of self assembled monolayers on flexible electrodes.
Scavetta E, et al.
Electrochimica Acta, 65, 159-164 (2012)
Iron oxide/gold core/shell nanomagnetic probes and CdS biolabels for amplified electrochemical immunosensing of Salmonella typhimurium.
Freitas M, et al.
Biosensors And Bioelectronics, 51(6), 195-200 (2014)
Aminoalkanoic Acids as Alternatives to Mercaptoalkanoic Acids for the Linker-Assisted Attachment of Quantum Dots to TiO2.
Rivera-Gonza?lez N, et al.
Langmuir, 32(36), 9206-9215 (2016)
Chapman, R. G.; et al.
Langmuir, 122, 8303-8303 (2000)
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