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Merck

M5801

3-Mercaptopropionic acid

≥99%

Synonym(s):

3-sulfanylpropanoic acid

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About This Item

Linear Formula:
HSCH2CH2CO2H
CAS Number:
107-96-0
Molecular Weight:
106.14
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24897049
EC Number:
203-537-0
Beilstein/REAXYS Number:
773807
MDL number:
MFCD00004897

Key Documents

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InChI key

DKIDEFUBRARXTE-UHFFFAOYSA-N

InChI

1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5)

SMILES string

OC(=O)CCS

vapor pressure

0.04 mmHg ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

662 °F

Quality Level

200

refractive index

n20/D 1.492 (lit.)

bp

110-111 °C/15 mmHg (lit.)

mp

15-18 °C (lit.)

density

1.218 g/mL at 25 °C (lit.)

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General description

3-Mercaptopropionic acid (3-MPA) is used as a self-assembled monolayer (SAM) with a thiol and carboxylic groups. It has short carbon chains and is mainly used as a capping agent on a variety of nanoparticles.

Application

3-MPA is used to produce hydrophilic SAMs, which are terminated with carboxylic acids and can be further functionalized to introduce more complex end groups such as enzymes for biosensor applications. SAMs of 3-MPA are capped on ZnSe quantum dots for the electrochemical detection of dopamine. 3-MPA is used as a capping agent on CdTe quantum dot nanocrystals (QD NCs) for use as labeling materials in biomedical applications. It can also be used to modify the surface of iron oxide nanoparticles (Fe2O3) in the extraction and preconcentration of Al3+ and Cr3+ ions from different biological samples.

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 1

flash_point_f

200.1 °F - closed cup

flash_point_c

93.4 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 3 petroleums + Hazardous rank III + Water soluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

M5801-5G: + M5801-VAR: + M5801-100G: + M5801-500G: + M5801-BULK:

jan

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB6750
SDBB6166
STBL3616
STBK9911
STBK5458

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Pedrosa, V. A.; Caetano, J.; Machado, S. A. S.; Freire, R. S.; Bertotti, M.
Electroanalysis, 19, 1415-1420 (2007)
Coating aqueous quantum dots with silica via reverse microemulsion method: toward size-controllable and robust fluorescent nanoparticles.
Yang Y, et al.
Chemistry of Materials, 19(17), 4123-4128 (2007)
Enhancement effect of illumination on the photoluminescence of water-soluble CdTe nanocrystals: Toward highly fluorescent CdTe/CdS core- shell structure.
Bao H, et al.
Chemistry of Materials, 16(20), 3853-3859 (2004)
A potential masking approach in the detection of dopamine on 3-mercaptopropionic acid capped ZnSe quantum dots modified gold electrode in the presence of interferences.
Ndangili PM, et al.
Journal of Electroanalytical Chemistry, 643(1-2), 77-81 (2010)
Atomic absorption spectrometric determination of Al3+ and Cr3+ after preconcentration and separation on 3-mercaptopropionic acid modified silica coated-Fe3O4 nanoparticles.
Mashhadizadeh MH and Amoli-Diva M
Journal of Analytical Atomic Spectrometry, 28(2), 251-258 (2013)
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