Trimethylolpropane Tris(3-mercaptopropionate) Chemical Properties

Boiling point:

220 °C0.3 mm Hg(lit.)

Density 

1.21 g/mL at 25 °C(lit.)

vapor pressure 

0Pa at 25℃

refractive index 

n20/D 1.518(lit.)

Flash point:

205 °F

storage temp. 

-70°C

form 

clear liquid

pka

9.14±0.10(Predicted)

Specific Gravity

1.2 (30℃)1.210

color 

Colorless to Almost colorless

Water Solubility 

320mg/L at 20℃

InChI

InChI=1S/C15H26O6S3/c1-2-15(9-19-12(16)3-6-22,10-20-13(17)4-7-23)11-21-14(18)5-8-24/h22-24H,2-11H2,1H3

InChIKey

IMQFZQVZKBIPCQ-UHFFFAOYSA-N

SMILES

C(OC(=O)CCS)C(CC)(COC(=O)CCS)COC(=O)CCS

LogP

2.8 at 20℃

EPA Substance Registry System

3-Mercaptopropionic acid triester with trimethylolpropane (33007-83-9)

Safety Information

Hazard Codes 

Xi,T

Risk Statements 

36/37/38-61

Safety Statements 

26-37/39-45-53

RIDADR 

UN 3334

WGK Germany 

3

HS Code 

29309090

MSDS

• Language:English Provider:SigmaAldrich

Trimethylolpropane Tris(3-mercaptopropionate) Usage And Synthesis

Description

Trimethylolpropane tris(3-mercaptopropionate) is a colorless crystalline compound that dissolves in water and polar solvents but remains insoluble in nonpolar solutions. It is a crucial cross-linking agent in the formulation of polymers, resins, and coatings and is used as a photoinitiator for UV-reactive coatings and inks. Additionally, Trimethylolpropane tris(3-mercaptopropionate) acts as a chelating agent in the treatment of heavy metal toxicity, and it is used to modify high internal phase emulsions to extract heavy metals from water.

Chemical Properties

Colorless to light yellow liquid

Uses

Trimethylolpropane tris(3-Mercaptopropanoate) can be used to prepare UV curing environmentally friendly nail polish.

Uses

Trimethylolpropane tris(3-mercaptopropionate) may be used in the following studies:

• Preparation of hydrogels, via crosslinking inulin derivatives.
• Construction of porous hybrid monolithic materials.
• As monomer for the preparation of a new thiol-ene based polymeric fluorescence sensor, via photo initiated polymerization.

General Description

Trimethylolpropane tris(3-mercaptopropionate) is reported as a multi-thiol crosslinking reagent.

Synthesis

Sequentially adding cyclohexane, trimethylolpropane, 3-mercaptopropionic acid, and p-toluenesulfonic acid into a reaction container and reacting in an oil bath; washing the product by adopting heating reflux and cooling; drying to obtain a crude product; and finally, performing reduced pressure distillation and filtration, thereby obtaining trimethylolpropane tris(3-mercaptopropionate).

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