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Sigma-Aldrich

Butyl 3-mercaptopropionate

98%

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Synonym(s):
Butyl 3-mercaptopropanoate
Linear Formula:
HSCH2CH2CO2(CH2)3CH3
CAS Number:
Molecular Weight:
162.25
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

98%

refractive index

n20/D 1.457 (lit.)

bp

101 °C/12 mmHg (lit.)

density

0.999 g/mL at 25 °C (lit.)

SMILES string

CCCCOC(=O)CCS

InChI

1S/C7H14O2S/c1-2-3-5-9-7(8)4-6-10/h10H,2-6H2,1H3

InChI key

MGFFVSDRCRVHLC-UHFFFAOYSA-N

General description

Butyl 3-mercaptopropionate (3MPA) is a monofunctional thiol that can be used as a cross-linker and chain transferring agent for controlling the molecular weight of the polymer. It can be used in the thiolene photopolymerization.

Application

3MPA can be used as a ligand which can functionalize the quantum dots for the development of high luminescence light emitting diodes. It can also be used as a crosslinking monomeric unit for the preparation of thiol-acrylate based photopolymers.
Used as a reactant for thiol-yne photopolymerizations to form highly-cross-linked networks.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Effects of neighboring sulfides and pH on ester hydrolysis in thiol-acrylate photopolymers
Rydholm AE, et al.
Acta Biomaterialia, 3(4), 449-455 (2007)
Development of a poly (methyl methacrylate-co-n-butyl methacrylate) copolymer binder system
Vail NK, et al.
Journal of Applied Polymer Science, 52(6), 789-812 (1994)
Thiol- Yne photopolymerizations: novel mechanism, kinetics, and step-growth formation of highly cross-linked networks
Fairbanks BD, et al.
Macromolecules, 42(1), 211-217 (2008)
High luminescence efficiency white light emitting diodes based on surface functionalized quantum dots dispersed in polymer matrices
Yoon C, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 428(22), 86-91 (2013)
Benjamin D Fairbanks et al.
Macromolecules, 42(1), 211-217 (2009-05-23)
Radical-mediated thiol-yne step-growth photopolymerizations are utilized to form highly cross-linked polymer networks. This reaction mechanism is shown to be analogous to the thiol-ene photopolymerization; however, each alkyne functional group is capable of consecutive reaction with two thiol functional groups. The

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