{"id":3587,"date":"2021-05-12T06:31:35","date_gmt":"2021-05-12T06:31:35","guid":{"rendered":"https:\/\/changhongchemical.com\/?post_type=product&p=3587"},"modified":"2026-01-06T08:12:52","modified_gmt":"2026-01-06T08:12:52","slug":"cas-25852-47-5","status":"publish","type":"product","link":"https:\/\/changhongchemical.com\/pt\/product\/cas-25852-47-5\/","title":{"rendered":"Mon\u00f4mero de PEGDMA CHLUMICRYL\u00ae \/ Dimetacrilato de poli(etilenoglicol) CAS 25852-47-5"},"content":{"rendered":"

PEGDMA Monomer \/ Poly(ethylene glycol) dimethacrylate CAS 25852-47-5<\/h1>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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ITEMS<\/h4>\n<\/td>\n

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TEST METHOD<\/h4>\n<\/td>\n

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SPECIFICATION<\/h4>\n<\/td>\n

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TEST RESULT<\/h4>\n<\/td>\n<\/tr>\n

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Appearance<\/h4>\n<\/td>\n

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Visual<\/h4>\n<\/td>\n

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Colorless liquid<\/h4>\n<\/td>\n

\n

Conforms<\/h4>\n<\/td>\n<\/tr>\n

\n

OH Value (mg KOH\/g)<\/h4>\n<\/td>\n

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Sapanification<\/h4>\n<\/td>\n

\n

\u226410.0<\/h4>\n<\/td>\n

\n

4.7500<\/h4>\n<\/td>\n<\/tr>\n

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Color (Hazen)<\/h4>\n<\/td>\n

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APHA<\/h4>\n<\/td>\n

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\u226430.0<\/h4>\n<\/td>\n

\n

16.50<\/h4>\n<\/td>\n<\/tr>\n

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Acid Value (mgKOH\/g)<\/h4>\n<\/td>\n

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Titration<\/h4>\n<\/td>\n

\n

\u22642.0<\/h4>\n<\/td>\n

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0.11<\/h4>\n<\/td>\n<\/tr>\n

\n

Viscosity (mPaS)<\/h4>\n<\/td>\n

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Viscometer@25\u2103<\/h4>\n<\/td>\n

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10\uff5e20<\/h4>\n<\/td>\n

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13.0<\/h4>\n<\/td>\n<\/tr>\n

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Density (g\/ml)<\/h4>\n<\/td>\n

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Densimeter@25\u2103<\/h4>\n<\/td>\n

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1.000\uff5e1.100<\/h4>\n<\/td>\n

\n

1.06<\/h4>\n<\/td>\n<\/tr>\n

\n

Refractive Index<\/h4>\n<\/td>\n

\n

Refractometer@25\u2103<\/h4>\n<\/td>\n

\n

1.4500\uff5e1.4600<\/h4>\n<\/td>\n

\n

1.4579<\/h4>\n<\/td>\n<\/tr>\n

\n

Moisture (wt%)<\/h4>\n<\/td>\n

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Karl Fisher<\/h4>\n<\/td>\n

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\u22641.0<\/h4>\n<\/td>\n

\n

0.12<\/h4>\n<\/td>\n<\/tr>\n

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Inhibitor (MEHQ ppm)<\/h4>\n<\/td>\n

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Colormetry<\/h4>\n<\/td>\n

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200~500<\/h4>\n<\/td>\n

\n

310<\/h4>\n<\/td>\n<\/tr>\n

\n

Assay (%)<\/h4>\n<\/td>\n

\n

GC<\/h4>\n<\/td>\n

\n

\u226598<\/h4>\n<\/td>\n

\n

98.25<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Items<\/td>\nSpec<\/td>\n<\/tr>\n
<\/td>\nPEG200DMA<\/td>\nPEG400DMA<\/td>\nPEG600DMA<\/td>\n<\/tr>\n
Appearance<\/td>\ntransparent to light yellow liquid<\/td>\n\u00a0transparent to light yellow liquid<\/td>\n\u00a0transparent to light yellow liquid<\/td>\n<\/tr>\n
Color,Pt-Co<\/td>\n\u2264100<\/td>\n\u2264100<\/td>\n\u2264100<\/td>\n<\/tr>\n
Acid Value,%<\/td>\n\u22640.1<\/td>\n\u22640.1<\/td>\n\u22640.1<\/td>\n<\/tr>\n
Purity,%<\/td>\n\u226598\uff05<\/td>\n\u226598\uff05<\/td>\n\u226598\uff05<\/td>\n<\/tr>\n
Moisture,%<\/td>\n\u22640.05<\/td>\n\u22640.05<\/td>\n\u22640.05<\/td>\n<\/tr>\n
Inhibitor,MEHQ, ppm<\/td>\n250~350<\/td>\n250~350<\/td>\n250~350<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Poly(ethylene glycol) dimethacrylate Usage<\/strong><\/h2>\n

1. Polyethylene glycol series products can be used in medicine. Polyethylene glycol with relatively low molecular weight can be used as a solvent, cosolvent, O\/W type emulsifier and stabilizer, used to make cement suspensions, emulsions, injections, etc., and also used as a water-soluble ointment base and suppository base. The product characteristics of polyethylene glycol dimethacrylate are characterized by low viscosity, no corrosion, low vapor pressure, fast curing and so on. It can be used as a crosslinking agent for rubber and plastics; modifiers for rubber and synthetic resins; plastisol coatings; plastisols; anaerobic glues; fiber coatings; paper coatings; plastic coatings; photosensitive resins.<\/h4>\n

2. Prior art synthetic hydrogels are currently basically based on polyacrylic acid, polymethacrylic acid, and their derivatives, such as polyacrylamide or polyhydroxyethyl methacrylate, and polyvinyl alcohol or polyvinyl Pyrrolidone. Polyethylene glycol hydrogels can be prepared by the effect of high-energy radiation on polyethylene glycol aqueous solutions.<\/h4>\n

3. The electrophoresis gel is based on hydroxy esters, such as glycerol monomethacrylate, and a low proportion of polyethylene glycol dimethacrylate. However, protein migration in this polymethacrylate network is significantly slower than in polyacrylamide gels used so far.<\/h4>\n

4. Since polyethylene glycol chains with a glass transition temperature of about -50\u00b0C are very mobile, hydrogels with a high content of polyethylene glycol dimethacrylate should in principle be suitable for constructing very soft Hydrogel. Therefore, it is incomprehensible at the beginning that, for example, in the production of contact lens hydrogels, polyethylene glycol dimethacrylate is only used in a minor amount.<\/h4>\n

5. The observable limitation of small amounts of polyethylene glycol dimethacrylate in hydrogel formulations in many applications can be deduced from the polymerization behavior of polyethylene glycol dimethacrylate.<\/h4>\n

 <\/p>\n

Poly(ethylene glycol) dimethacrylate Packaging and Shipping<\/strong><\/h2>\n

Packing: 200kg\/drum<\/h4>\n

 <\/p>\n

Poly(ethylene glycol) dimethacrylate Storage<\/strong><\/h2>\n

The polyethylene glycol dimethacrylate should be stored in a cool, ventilated warehouse, away from fire, heat sources, etc., avoid direct sunlight and the storage temperature should not exceed 20 \u2103, keep the container tight, and prohibit contact with air. Store separately from oxidants, acids and alkalis. Long-term storage is forbidden to avoid deterioration, and the corresponding quantity and type of fire-fighting equipment must be equipped.<\/h4>\n

 <\/p>\n

Contact Us Now!<\/b><\/strong><\/h2>\n

If you need Price and Sample Testing, please fill in your contact information in the form below, we will usually contact you within 24 hours. You could also email me info@changhongchemical.com<\/a><\/span> during working hours ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.<\/b><\/strong><\/h4>\n

 <\/p>\n

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 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
CHLUMICRYL\u00ae AAEM Monomer\u00a0<\/a><\/span><\/td>\nCAS 21282-97-3<\/td>\nAcetylacetoxyethyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae ADAMA Monomer<\/a><\/span><\/td>\nCAS 16887-36-8<\/td>\n1-Adamantyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae AMA Monomer<\/a><\/span><\/td>\nCAS 96-05-9<\/td>\nAllyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae BDDMA<\/a><\/span><\/td>\nCAS 2082-81-7<\/td>\n1,4-Butanedioldimethacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae BDDMP Monomer<\/a><\/span><\/td>\nCAS 92140-97-1<\/td>\n1,4-Butanediol Di(3-mercaptopropionate)<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae Bis-GMA Monomer\u00a0<\/a><\/span><\/td>\nCAS 1565-94-2<\/td>\nBisphenol A Glycidyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae BZA Monomer<\/a><\/span><\/td>\nCAS 2495-35-4<\/td>\n\u00a0benzyl prop-2-enoate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae BZMA Monomer<\/a><\/span><\/td>\nCAS 2495-37-6<\/td>\nBenzyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae CHA Monomer\u00a0<\/a><\/span><\/td>\nCAS 3066-71-5<\/td>\ncyclohexyl prop-2-enoate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae CHMA\u00a0<\/a><\/span><\/td>\nCAS 101-43-9<\/td>\nCyclohexyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DCPA Monomer<\/a><\/span><\/td>\nCAS 12542-30-2<\/td>\nDihydrodicyclopentadienyl Acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DCPEMA Monomer<\/a><\/span><\/td>\nCAS 68586-19-6<\/td>\nDicyclopentenyloxyethyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DCPMA Monomer<\/a><\/span><\/td>\nCAS 30798-39-1<\/td>\nDihydrodicyclopentadienyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DEAEA Monomer<\/a><\/span><\/td>\nCAS 2426-54-2<\/td>\n2-(diethylamino)ethyl prop-2-enoate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DEAM Monomer<\/a><\/span><\/td>\nCAS 105-16-8<\/td>\nDiethylaminoethyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DMAEA Monomer<\/a><\/span><\/td>\nCAS 2439-35-2<\/td>\nDimethylaminoethyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DMAEMA<\/a><\/span><\/td>\nCAS 2867-47-2<\/td>\nN,M-Dimethylaminoethyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DMES\u00a0<\/a><\/span><\/td>\nCAS 3570-55-6<\/td>\n2,2\u2032-Thiodiethanethiol\/Bis(2-mercaptoethyl) sulfide\/Dimercapto diethyl sulfide\/THIOCURE DMDS\/Polythiol DMDS\/Mercaptan DMDS<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DMPT\u00a0<\/a><\/span><\/td>\nCAS 131538-00-6<\/td>\nTHIOCURE DMPT<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae ECPMA Monomer<\/a><\/span><\/td>\nCAS 266308-58-1<\/td>\n1-Ethylcyclopentyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EEMA\u00a0<\/a><\/span><\/td>\nCAS 2370-63-0<\/td>\n2-ethoxyethyl 2-methylprop-2-enoate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EGDMA Monomer<\/a><\/span><\/td>\nCAS 97-90-5<\/td>\nEthylene glycol dimethacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EGDMP Monomer<\/a><\/span><\/td>\nCAS 22504-50-3<\/td>\nEthylene glycol Bis(3-mercaptopropionate)<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EHMA\u00a0<\/a><\/span><\/td>\nCAS 688-84-6<\/td>\n2-Ethylhexyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EMA Monomer\u00a0<\/a><\/span><\/td>\nCAS 97-63-2<\/td>\nEthyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EO10-BPADA Monomer<\/a><\/span><\/td>\n\u00a0CAS 64401-02-1<\/td>\nethoxylated bisphenol A diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EO4-BPADA Monomer\u00a0<\/a><\/span><\/td>\nCAS 64401-02-1<\/td>\nethoxylated bisphenol A diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae HDCPA Monomer<\/a><\/span><\/td>\nCAS 79637-74-4<\/td>\nDicyclopentenyl acrylate (hydrogenation)<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae IBA Monomer\u00a0<\/a><\/span><\/td>\nCAS 106-63-8<\/td>\nIsobutyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae i-BMA\u00a0<\/a><\/span><\/td>\nCAS 97-86-9<\/td>\nIsobutyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae MCPMA Monomer<\/a><\/span><\/td>\nCAS 178889-45-7<\/td>\n1-Methylcyclopentyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae MEMA<\/a><\/span><\/td>\nCAS 6976-93-8<\/td>\n2-Methoxyethyl Methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae MPEG Monomer<\/a><\/span><\/td>\nCAS 26915-72-0<\/td>\nMPEG Monomer<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae Muscomer Tricyclodecanedimethanol<\/a><\/span><\/td>\n\u00a0CAS 26896-48-0<\/td>\nMuscomer Tricyclodecanedimethanol<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae N,N-Dimethyl Acrylamide\u00a0<\/a><\/span><\/td>\nCAS 2680-03-7<\/td>\nN,N-Dimethyl Acrylamide<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae n-BMA\u00a0<\/a><\/span><\/td>\nCAS 97-88-1<\/td>\nn-Butyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PETMP Monomer\u00a0<\/a><\/span><\/td>\nCAS 7575-23-7<\/td>\nPETMP Monomer<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae Polythiol PM839\u00a0<\/a><\/span><\/td>\nCAS 72244-98-5<\/td>\nPolythiol PM839<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae TBAEMA\u00a0<\/a><\/span><\/td>\nCAS 3775-90-4<\/td>\n2-(Tert-butylamino)ethyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae THFMA Monomer\u00a0<\/a><\/span><\/td>\nCAS 2455-24-5<\/td>\nTetrahydrofurfuryl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae ACMO Monomer\u00a0<\/a><\/span><\/td>\nCAS 5117-12-4<\/td>\n4-acryloylmorpholine<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DCPEOA Monomer\u00a0<\/a><\/span><\/td>\nCAS 65983-31-5<\/td>\nDicyclopentenyloxyethyl Acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DI-TMPTA Monomer<\/a><\/span><\/td>\nCAS 94108-97-1<\/td>\nDI(TRIMETHYLOLPROPANE) TETRAACRYLATE<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DPGDA Monomer<\/a><\/span><\/td>\nCAS 57472-68-1<\/td>\nDipropylene Glycol Dienoate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae DPHA Monomer\u00a0<\/a><\/span><\/td>\nCAS 29570-58-9<\/td>\nDipentaerythritol hexaacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EO3-TMPTA Monomer<\/a><\/span><\/td>\nCAS 28961-43-5<\/td>\nEthoxylated trimethylolpropane triacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae EOEOEA Monomer<\/a><\/span><\/td>\nCAS 7328-17-8<\/td>\n2-(2-Ethoxyethoxy)ethyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae GPTA ( G3POTA ) Monomer<\/a><\/span><\/td>\nCAS 52408-84-1<\/td>\nGLYCERYL PROPOXY TRIACRYLATE<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae HDDA Monomer\u00a0<\/a><\/span><\/td>\nCAS 13048-33-4<\/td>\nHexamethylene Diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae HEMA Monomer<\/a><\/span><\/td>\nCAS 868-77-9<\/td>\n\u00a02-hydroxyethyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae HPMA Monomer<\/a><\/span><\/td>\nCAS 27813-02-1<\/td>\n2-Hydroxypropyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae IBOA Monomer\u00a0\u00a0<\/a><\/span><\/td>\nCAS 5888-33-5<\/td>\nIsobornyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae IBOMA\u00a0<\/a><\/span><\/td>\nCAS 7534-94-3<\/td>\nIsobornyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae IDA Monomer\u00a0<\/a><\/span><\/td>\nCAS 1330-61-6<\/td>\nIsodecyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae IPAMA Monomer<\/a><\/span><\/td>\nCAS 297156-50-4<\/td>\n2-isopropyl-2-adamantyl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae LMA Monomer\u00a0<\/a><\/span><\/td>\nCAS 142-90-5<\/td>\nLauryl methacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae NP-4EA Monomer<\/a><\/span><\/td>\nCAS 50974-47-5<\/td>\n(4) ethoxylated nonylphenol<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae NPGDA Monomer\u00a0<\/a><\/span><\/td>\nCAS 2223-82-7<\/td>\nNeopentyl glycol diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PDDA<\/a><\/span><\/td>\n<\/td>\nPhthalate diethylene glycol diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PEGDA Monomer<\/a><\/span><\/td>\nCAS 26570-48-9<\/td>\nPolyethylene Glycol Diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PEGDMA Monomer<\/a><\/span><\/td>\nCAS 25852-47-5<\/td>\nPoly(ethylene glycol) dimethacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PETA Monomer\u00a0<\/a><\/span><\/td>\nCAS 3524-68-3<\/td>\nPETA; 2-(Hydroxymethyl)-2-[[(1-oxoallyl)oxy]methyl]-1,3-propanediyl diacrylate; 3-(acryloyloxy)-2-[(acryloyloxy)methyl]-2-(hydroxymethyl)propyl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PHEA Monomer<\/a><\/span><\/td>\nCAS 48145-04-6<\/td>\n\u00a02-PHENOXYETHYL ACRYLATE<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae PO2-NPGDA\u00a0<\/a><\/span><\/td>\nCAS 84170-74-1<\/td>\n<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae TEGDMA Monomer<\/a><\/span><\/td>\nCAS 109-16-0<\/td>\nTriethylene glycol dimethacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae THFA Monomer<\/a><\/span><\/td>\nCAS 2399-48-6<\/td>\nTetrahydrofurfuryl acrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae TMPTA Monomer<\/a><\/span><\/td>\nCAS 15625-89-5<\/td>\nTrimethylolpropane triacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae TMPTMA Monomer<\/a><\/span><\/td>\nCAS 3290-92-4<\/td>\nTrimethylolpropane trimethacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae TPGDA Monomer<\/a><\/span><\/td>\nCAS 42978-66-5<\/td>\nTripropylene glycol diacrylate<\/td>\n<\/tr>\n
CHLUMICRYL\u00ae UV Functional Monomers<\/a><\/span><\/td>\n<\/td>\nAcrylic Monomers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Nome do produto: PEGDMA<\/h4>\n

Nome qu\u00edmico: Poli(etilenoglicol) dimetacrilato<\/h4>\n

N\u00famero CAS: 25852-47-5<\/h4>\n

F\u00f3rmula molecular:(C4H5O).(C2H4O)n.(C4H5O2)<\/h4>\n

Peso molecular: 194,27<\/h4>\n

Apar\u00eancia: L\u00edquido amarelo claro<\/h4>\n

Envie-me um e-mail:\u00a0 info@changhongchemical.com<\/a><\/span><\/b><\/strong><\/h4>","protected":false},"featured_media":8059,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[115],"product_tag":[],"class_list":{"0":"post-3587","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-functional-monomers","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina PEGDMA Poly(ethylene glycol) dimethacrylate Manufacturer \uff06 CAS 25852-47-5 Supplier - Changhong Chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Changhong Chemical is a leading manufacturer and supplier of PEGDMA \uff06 Poly(ethylene glycol) dimethacrylate in China. Buy Poly(ethylene glycol) dimethacrylate in china. 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