Ditrimethylolpropane acrylate
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- Contact: 周經(jīng)理
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- Email:sales@etongchem.com
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Description
Additional Information
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Category
Acrylate series
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Describe
Ditrimethylolpropane acrylate (DITMPTA) is a difunctional acrylate active monomer, which is structurally composed of two trimethylolpropane (TMP) units connected by a connecting bridge, and each TMP unit has an acrylate group.
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Cas No.
94108-97-1
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Purity
mixture
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Synonym(s)
DITMPTA
Physical and chemical properties
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1. Chemical Identity
- Chemical Name: Ditrimethylolpropane tetraacrylate
- IUPAC Name: (3-Acryloyloxy-2,2-bis(acryloyloxymethyl)propyl) 2,2-bis(acryloyloxymethyl)butyl acrylate
- Synonyms: Di-TMPTA, Di-TMPTTA
- CAS Number: 29570-58-9
- EC Number: 249-708-3
- Molecular Formula: C24?H34?O10?
- Molecular Weight: 482.52 g/mol
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2. Physical Properties
- Appearance: Clear, colorless to pale yellow viscous liquid.
- Odor: Mild, characteristic, acrylic/ester-like.
- Melting Point: Not available.
- Boiling Point: >250 °C (>482 °F) (Decomposes)
- Density: 1.11 g/cm³ at 20 °C
- Solubility:
- In Water: < 0.1 g/L (Insoluble)
- In Organic Solvents: Soluble in many common organic solvents.
- Vapor Pressure: <0.01 hPa at 20 °C
- Viscosity: 500 - 800 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: >150 °C (>302 °F) - Closed cup
- Refractive Index (n20/D): ~1.481
| Industry Category | Chemicals/Carboxylic Acid Derivatives/Esters |
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| Product Category | Acrylate series |
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