Trimethylolpropane trimethacrylate
Price:Negotiable
Contact Info
- Add:江蘇省宜興市宜城街道滄浦村, Zip:
- Contact: 周經(jīng)理
- Tel:13961572207
- Email:sales@etongchem.com
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Description
Additional Information
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Category
Acrylate series
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Describe
Trimethylolpropane trimethacrylate (TMPTMA) is a trifunctional methacrylate monomer, which is widely used in photocuring systems that require high crosslinking density, high strength and chemical resistance, such as UV coatings, inks, adhesives, 3D printing materials, electronic packaging, etc.
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Cas No.
3290-92-4
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Purity
mixture
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Synonym(s)
TMPTMA
Physical and chemical properties
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1. Chemical Identity
- Chemical Name: Trimethylolpropane trimethacrylate
- IUPAC Name: [2-Ethyl-2-[(2-methylprop-2-enoyl)oxymethyl]propane-1,3-diyl] bis(2-methylprop-2-enoate)
- Synonyms: TMPTMA, 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol trimethacrylate
- CAS Number: 3290-92-4
- EC Number: 221-950-4
- Molecular Formula: C18?H26?O6?
- Molecular Weight: 338.40 g/mol
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2. Physical Properties
- Appearance: Clear, colorless to pale yellow viscous liquid.
- Odor: Mild, characteristic, ester-like.
- Melting Point: -25 °C (-13 °F)
- Boiling Point: >220 °C (>428 °F) at 1 hPa (Decomposes)
- Density: 1.06 g/cm³ at 20 °C
- Solubility:
- In Water: < 0.1 g/L at 20 °C (Insoluble)
- In Organic Solvents: Soluble in many common organic solvents.
- Vapor Pressure: <0.01 hPa at 20 °C
- Viscosity: 40 - 60 mPa·s at 25 °C
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3. Chemical Properties and Stability
- Stability: Stable under recommended storage conditions. Typically supplied with a polymerization inhibitor (e.g., MEHQ).
- Incompatibilities: Incompatible with strong oxidizing agents, strong bases, strong acids, reducing agents, peroxides, and free-radical initiators.
- Hazardous Polymerization: May occur if not properly inhibited or if exposed to high temperatures, direct sunlight, UV radiation, or contaminants. Polymerization is a highly exothermic reaction.
- Hazardous Decomposition Products: Combustion may produce toxic fumes of carbon monoxide (CO) and carbon dioxide (CO2?).
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4. Other Key Data
- Flash Point: >145 °C (>293 °F) - Closed cup
- Refractive Index (n20/D): ~1.472
| Industry Category | Chemicals/Chemical Intermediates/Methyl Compounds |
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| Product Category | Acrylate series |
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