TMPMP - Trimethylolpropane Tris(3-mercaptopropionate) Thiol Monomer

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Sinomer® TMPMP

Characteristic Monomer, Polythiol/Polymercaptan/Thiol compounds, Sinomer® Functional monomers

SINOMER® TMPMP is a mercapto functional monomers with high reactivity, low viscosity as well as low color. suitable for VOC-conform coatings,can be used together with isocyanates, epoxies and unsaturated compounds.

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SINOMER® TMPMP


Synonym:  Trimethylolpropane Tris(3-mercaptopropionate)

CAS No:  33007-83-9

Molecular Formula:   C15H26O6S3

Molecular Structure:



General Information :

SINOMER® TMPMP is a mercapto functional monomers with high reactivity, low viscosity as well as low color. suitable for VOC-conform coatings,can be used together with isocyanates, epoxies and unsaturated compounds.

Specification :
AppearanceColorless transparent liquid
Purity , %95～97.5
Refractive index1.5170~1.5180
Density ,25℃1.200~1.215


Usage :

SINOMER® TMPMP can be used as a cross-linking agent, polymerization modifier and photocuring agent. It is widely used in photocuring coatings, photosensitive materials, printed circuit boards or others.

Other Polythiol/Polymercaptan related products :
Product NameCas No.Chemical NameSynonyms/Application
▶Sinomer® PETMP7575-23-7Penta-erythritol tetrakis(3-mercaptopropionate)THIOCURE PETMP;


PET-3-MP;Tetra (3-mercaptopropionate)

▶Sinomer® BMES3570-55-6Bis(2-mercaptoethyl) sulfide;


Dimercapto diethyl sulfide;

2,2′-Thiodiethanethiol;

THIOCURE DMDS;


Polythiol DMDS

▶Sinomer® BMPT131538-00-62,3-bis((2-mercaptoethyl)thio)-1-propanethiolTHIOCURE DMPT;


Polythiol DMPT

▶Sinomer® PM83972244-98-5Poly[oxy(methyl-1,2-ethanediyl)],.alpha.-hydro-.omega.-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), 2-hydroxy-3-mercaptopropyl etherEpoxy curing agent,Capcure 3-800;


GABEPRO GPM-800;

Polythiol QE-340M;

Thiocure 1200

▶Sinomer® TMPMP33007-83-9Trimethylolpropane Tris(3-mercaptopropionate)/
▶Sinomer®OM835
188829-97-2Bis(thiiran-2-ylmethyl)sulfane;1,1′-Thiobis(2,3-epithiopropane);Bis(2,3-ethylpropyl) sulfidehigh refractive index optical monomer
▶Sinomer® OM26539667-72-62-Propenoic acid, 2-(2-benzothiazolylthio)ethyl ester;(2-(2-benzothiazolylthio)ethyl)acrylate;MBTAhigh refractive index optical monomer
▶Sinomer® OM258 97049-32-02-Naphthalenylthioethyl acrylate;2-Propenoic acid 2-(2-naphthalenylthio)ethyl ester;NTEAhigh refractive index optical monomer
▶Sinomer® OM386129283-82-5Bis(4-Methacryloylthiophenyl) Sulfide;4,4'-Thiodibenzenedithiol Dimethacrylatehigh refractive index optical monomer
▶Sinomer® PETMA10193-99-4Penta-erythritol tetrakis(2-mercaptoacetate)coupling agent
▶Sinomer® EGDMP22504-50-3Ethylene Glycol Bis(3-Mercaptopropionate)cross-linking agent,curing agent
▶Sinomer® GDMA123-81-9Glycoldimercaptoacetete;Ethylene di(S-thioacetate)PVC heat stabilizer 
▶Sinomer® EHMP50448-95-82-Ethylhexyl 3-Mercaptopropionate Sulfur-tin stabilizer
▶Sinomer® GMT8030618-84-9Glyceryl monothioglycolatedaily chemical





Packaging :

240 kg/drum

Storage :

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.

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