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450561

Sigma-Aldrich

11-Mercaptoundecanoic acid

95%

Synonym(s):

MUA, MUDA

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About This Item

Linear Formula:
HS(CH2)10CO2H
CAS Number:
71310-21-9
Molecular Weight:
218.36
MDL number:
MFCD00022096
UNSPSC Code:
12352103
PubChem Substance ID:
24868253
NACRES:
NA.23
Pricing and availability is not currently available.

Assay

95%

form

solid

mp

46-50 °C (lit.)

SMILES string

OC(=O)CCCCCCCCCCS

InChI

1S/C11H22O2S/c12-11(13)9-7-5-3-1-2-4-6-8-10-14/h14H,1-10H2,(H,12,13)

InChI key

GWOLZNVIRIHJHB-UHFFFAOYSA-N

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General description

11-Mercaptoundecanoic acid (MUA) is used as a self-assembled monolayer (SAM) which has a long alkane chain and carboxyl containing thiols. MUA is highly packed and has self-organized surface monolayers.[1] It is a pH responsive ligand which facilitates the dispersion of nanoparticles into water and solvent based media.[2]

Application

MUA as a self-assembled monolayer (SAM) is used as a microfluidic integrated surface plasmon resonance (SPR) for detection and quantification of bacteria in medical diagnostics.[3] It is also used to bio-functionalize the screen printed gold electrodes (SPGEs) that are used for the detection and quantification of dengue.[4] It also forms monolayers on gold nanoparticles (AuNPs) attached via thiol groups. MUA incorporated AuNPs exhibit excellent fluorescence properties which may be used for metal ion detection in serum samples.[5]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

No data available

Flash Point(C)

No data available

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000411393
0000411393
0000403078
0000387417
0000368539

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Alexey Ivanov et al.
Talanta, 194, 723-730 (2019-01-06)
Reversible inhibitors of acetylcholinesterase are increasingly applied in the Alzheimer's disease therapy. Their determination with biosensors requires special attention to the enzyme immobilization due to importance of electrostatic and steric factors affecting accessibility of the active site to the substrate
Li Han et al.
Langmuir : the ACS journal of surfaces and colloids, 20(14), 6019-6025 (2006-02-08)
The preparation of nanocomposite materials from carbon nanotubes (CNTs) and metal or metal oxide nanoparticles has important implications to the development of advanced catalytic and sensory materials. This paper reports findings of an investigation of the preparation of nanoparticle-coated carbon
Portable microfluidic integrated plasmonic platform for pathogen detection.
Tokel O, et al.
Scientific Reports, 5(5), 9152-9152 (2015)
Electrochemical lateral flow immunosensor for detection and quantification of dengue NS1 protein.
Sinawang PD, et al.
Biosensors And Bioelectronics, 77(5), 400-408 (2016)
11-Mercaptoundecanoic acid functionalized gold nanoclusters as fluorescent probes for the sensitive detection of Cu2+ and Fe3+ ions.
Bai Z, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 28(9), 1901-1904 (2017)
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. What type of solvent would be suited for this compound?

    1 answer

    1. This product is not tested for solubility. However, various sources note that the compound is soluble in ethanol and DMSO at approximately 40 - 50 mg/mL, and more sparingly soluble in methanol and chloroform. The material is also reported as being very sparing soluble in water. Enhanced solubility in water may be acheived with sonication and warming to 37 ℃, but may precipitate upon cooling. This information has not been validated

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