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Dap monomer

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CAS Number131-17-9
AppearanceColorless or slightly yellow transparent liquid
Density at 20 °C1.110 to 1.114 g/cm³
Freeze Point-70 °C

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Products Description

DAP monomer (Diallyl Phthalate monomer) Buy DAP Monomer from China, contact Huanya Chemical. There is no more reason, since we represent the one and only diallyl phthalate monomer manufacturer. DAP monomer has two acrylic groups which is steady in room temperature, but highly active with heat and catalyzer. Also, it can be used to produce DAP pre-polymer which is used in thermoset plastics. CAS NO. :131-17-9 Package: Steel drums, net 200kg/drum Diallyl Phthalate is widely used in the following fields. 1.Electrical connectors 2.Switches 3.Insulation 4.Crosslink agent 5.Electrical and electronic parts 6.Hot tamping foil 7.Grindstones 8.UV curable ink 9.Crosslinker 10.Dispersant 11.Plasticizer 12.Unsaturated polyester 13.Acrylic resin The DAP monomer has the following typical data: Appearance Colorless or slightly yellow transparent liquid, Density at 20 degree centigrade (g/cm3): 1.110 to 1.114, Freeze point (degree centigrade): -70, Boiling point (degree centigrade): 105Pa)/td: >305, Flash point (degree centigrade): 160, Autoignition point (degree centigrade): 435, Viscosity at 20 degree centigrade (mPa.s): 8.5, Surface tension 20 degree centigrade, dyn/cm: 39, Refractive index 20 degree centigrade: 1.519, thermal expansion coefficient: 20 degree centigrade to 40, degree centigrade 7.6*103/degree centigrade, Solubility: Slightly soluble in water. Shandong Huanya Chemical Company, Diallyl Phthalate monomer supplier in China. 200kg iron drum

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Chemicals & Allied Products

Products Specification

CAS Number131-17-9
AppearanceColorless or slightly yellow transparent liquid
Density at 20 °C1.110 to 1.114 g/cm³
Freeze Point-70 °C
Boiling Point (105 Pa)>305 °C
Flash Point160 °C
Autoignition Point435 °C
Viscosity at 20 °C8.5 mPa·s
Surface Tension at 20 °C39 dyn/cm
Refractive Index at 20 °C1.519
Thermal Expansion Coefficient (20–40 °C)7.6×10⁻³/°C
Solubility in WaterSlightly soluble
PackagingSteel drums, net 200 kg/drum

Supplier information

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Shandong Huanya Chemical Co.

China

Business type - Contact Seller

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This listing is for DAP monomer, also identified as diallyl phthalate monomer (CAS 131-17-9). The material is a colorless or slightly yellow transparent liquid with two acrylic groups that are stable at room temperature and highly reactive with heat and catalyst. It serves as a raw material for DAP pre-polymer used in thermoset plastics and is offered in steel drums of 200 kg net weight.

Typical properties include density of 1.110–1.114 g/cm³ at 20 °C, freeze point of –70 °C, boiling point above 305 °C at 105 Pa, flash point of 160 °C, autoignition point of 435 °C, viscosity of 8.5 mPa·s at 20 °C, surface tension of 39 dyn/cm, refractive index of 1.519, thermal expansion coefficient of 7.6×10⁻³/°C (20–40 °C), and slight solubility in water. Common uses span electrical connectors, switches, insulation, crosslink agents, electronic parts, hot stamping foil, grindstones, UV curable inks, crosslinkers, dispersants, plasticizers, unsaturated polyester and acrylic resins.

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About Supplier

Shandong Huanya Chemical Co. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Shandong Huanya Chemical Co. for prices, specifications and documents for Dap monomer.

Supplier Details for Dap monomer

Member since - Oct 2026
Business Type - Contact Seller
Deals in Product Type - Chemicals & Allied Products
Country - China

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