Esschem Europe's high-purity monomers are ideal for optical and medical applications, providing manufacturers with consistent low colour, appropriate inhibitor packages, consistent low acid and enhanced stability. These requirements must continually be met without deviation in order to efficiently manufacture quality materials.
High Purity Monomers:
X968 7044 - 2-Hydroxyethyl Methacrylate High Purity
HEMA is a primary alcohol making it a good adhesion promoter in anaerobic adhesives. The purity level of this methacrylate monomer also makes it cost efficient.
| Product Code | X968 7044 |
| Molecular Formula | C6H10O3 |
| Molecular Weight | 130.143 |
| Moisture % | <0.1 |
| Purity % | >99 |
| Acidity | <0.5 n/a |
| Colour (APHA) | 10 max |
| Inhibitor | 40 to 80 ppm |
| Refractive Index | 1.452 |
| Specific Gravity | 1.070g/mL |
| CAS registration number | 868-77-9 |
| Toxic substance control act list | Listed |
X968 7248 - 2-HEMA High Purity High Stability
This HEMA has the adhesive qualities and multiple applications of other hydroxyethyl methacrylates along with additional stability.
| Product Code | X968 7248 | |||
| Molecular Formula |
| |||
| Molecular Weight | 130.143 | |||
| Moisture % | <0.1 | |||
| Purity % | >99 | |||
| Acidity | <0.5 n/a | |||
| Colour (APHA) | 10 max | |||
| Inhibitor | 200-300 ppm | |||
| Refractive Index | 1.452 | |||
| Specific Gravity | 1.070g/mL | |||
| CAS registration number | 868-77-9 | |||
| Toxic substance control act list | Listed |
X968 7048 - 2- HEMA Direct Casting Grade
HEMA is a primary alcohol making it a good adhesion promoter in anaerobic adhesives. The purity level of this methacrylate monomer also makes it cost efficient.
| Product Code | X968 7048 | |||
| Molecular Formula |
| |||
| Molecular Weight | 130.143 | |||
| Moisture % | <0.1 | |||
| Purity % | >95 | |||
| Acidity | <0.25 n/a | |||
| Colour (APHA) | 10 max | |||
| Inhibitor | 100-200 ppm | |||
| Refractive Index | 1.452 | |||
| Specific Gravity | 1.070g/mL | |||
| CAS registration number | 868-77-9 | |||
| Toxic substance control act list | Listed |
X942 / 949 Ethyleneglycol Dimethacrylate
Ethyleneglycol dimethacrylate, EGDMA acts as a cross-linking agent between polymer chains. Also known as ethylene dimethacrylate or monoethylene glycol dimethacrylate, this difunctional monomer has similar reactivity to methyl methacrylate and low water absorptivity.
| Product Code | X942 7224 | X942 5224 | X949 5244 | X949 7244 |
| Molecular Formula | C10H14O4 | C10H14O4 | C10H14O4 | C10H14O4 |
| Molecular Weight | 198.218 | 198.218 | 198.218 | 198.218 |
| Purity (%) | 99.min | 99.5 min | 99.5+ | 99.0 min |
| Refractive Index | 1.453 | 1.453 | 1.453 | 1.453 |
| Specific Gravity | 1.050g/mL | 1.050g/mL | 1.050g/mL | 1.050g/mL |
| Inhibitor | HQ 40 to 80 PPM | HQ 40 to 80 PPM | MeHQ 80 to 120 PPM | MeHQ 40 to 80 PPM |