PETMA - Pentaerythritol Tetrathiol for UV Coatings & Adhesives

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Sinomer® PETMA

Polythiol/Polymercaptan/Thiol compounds, Sinomer® Functional monomers

SINOMER®PETMA is a kind of thiol compound for UV coatings, inks, adhesives, etc.

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SINOMER® PETMA


Synonym:  Penta-erythritol tetrakis(2-mercaptoacetate)

CAS No:  10193-99-4

Molecular Formula:  C13H20O8S4

Molecular Structure:



General Information :

SINOMER®PETMA is a kind of thiol compound for UV coatings, inks, adhesives, etc.

Specification :


AppearanceColorless to light yellow transparent liquid
Purity , %＞95
Specific gravity (20℃)1.370~1.390
Acid value (KOH mg/g)≤10
SH(%)29.5±0.5


Usage :

SINOMER®PETMA is used as an organic intermediate, acidic ion exchange catalyst, coupling agent, and polymerization modifier.

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 :

  • 250 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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Sinomer® TMPMP

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Sinomer® PETMP

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SINOMER® PETMP is a tetrathiol functional Polythiol/Polymercaptan. can be widely used as an adhesion promoter, antioxidant cure inhibitor or flexibility modifier in various free radical polymerization systems (such as UV curing). It can also be used as a low temperature curing agent in epoxy curing systems and a high refractive index crosslinking agent in isocyanate crosslinking systems.


  • Chemical name: :

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Sinomer® OM265 (RI 1.62)

Polythiol/Polymercaptan/Thiol compounds, Sinomer® Functional monomers

SINOMER® OM265(Refractive index 1.62)is a thiols optical monomers with high refractive index and high reactivity. 

  • Chemical name: :

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Sinomer® OM258 (RI 1.623)

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SINOMER® OM258(Refractive index 1.623) is a mercapto optical monomer with high refractive index and high reactivity.

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Sinomer® GMT80

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SINOMER®GMT80 is a kind of thiol compound for daily chemical industry.

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Sinomer® GDMA

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Sinomer® EMP-62

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SINOMER®EHMP has similar properties to IOMP and is mainly used in the polymerization reactions of acrylic resin, 

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SINOMER®EGDMP can be used as polymerization modifier, cross-linking agent,

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  • MF :

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Sinomer® BMES

Polythiol/Polymercaptan/Thiol compounds, Sinomer® Functional monomers

SINOMER® BMES (Bismercaptoethyl sulfide) is a type of organic compound with a special unpleasant odor. 


  • Chemical name: :

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