Bisomer® CL HEMA
- CAS Number
- 868-77-9
- EC Number
- 212-782-2
- Chemical Name
- Hydroxy Ethyl Methacrylate
- Chemical Family
- Methacrylates
Bisomer® CL HEMA (Hydroxyethyl Methacrylate) is widely used in the preparation of long-term wear or disposable contact lenses.
Identification
- Molecular Weight
- 130.0 - 130.0 g/mol
- CASE Ingredients Functions
- Monomer
Product families
Applications
- Adhesives & Sealants — Other Adhesives & Sealants Applications; Paints & Coatings — Other Paints & Coatings Applications
- Disposable Ware
Product Families
- Monomers
- Acrylics Acrylates & Methacrylates
Other characteristics
- Brand
- Bisomer
- Synonyms
2-(Methacryloyloxy)ethanol, 2-HEMA, 2-Hydroxyethyl 2-methylprop-2-enoate, 2-Hydroxyethyl methacrylate, Ethylene glycol methacrylate, Ethylene glycol monomethacrylate, Glycol methacrylate, Glycol monomethacrylate, HEMA, NSC 24180, β-Hydroxyethyl methacrylate
- Markets
- Adhesives & Sealants
- Healthcare & Pharma
- Paints & Coatings
- Appearance
- Clear liquid
- Technology
- Base Chemicals & Intermediates
- CASE Ingredients
- Quality Standards
- Swiss Ordinance (SR 817.023.21)
- Chemical Inventories
- AICS (Australia)
- DSL (Canada)
- EEC/EU
- ENCS (Japan)
- IECSC (China)
- KECI (Korea)
- PICCS (Phillipines)
- TSCA (USA)
- Base Chemicals Functions
- Monomer
- Certifications and Compliance
- BfR Recommendation
- FDA 21 CFR 175.105
- FDA 21 CFR 175.300
- FDA 21 CFR 176.180
- ISO 14001
- Swiss Ordinance (SR 817.023.21)
- Registration and Regulatory Information
Regulatory Status AICS yes DSL yes ENCS yes EU REACH Registration No. 01-2119490169-29-0002 IECSC yes KECI yes PICCS yes TSCA yes Food Packaging Approvals EU 10/2011 Listed FDA CFR 21 § 175.105, 177.1010 FDA CFR 21 § 175.300, 176.180 (Listed as a component of a polymer) BfR Recommendations XIV, XXII, XXXVI Swiss Ordinance 817.023.21 – Listed (Part A)
Technical data
Table 1 of 1
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Water content (mass) | max. 0.2 | % | (E203; 23-01) |
| Inhibitor (MEHQ) content (mass) | 15 - 30 | ppm | (D3125; 13-08) |
| Diester EGDMA % (mass) | max. 0.14 | % | (08-09) |
| Diethylene glycol methacrylate (mass) | max. 1.0 | % | (08-09) |
| Assay (mass) | 99.0 min | % | (GC; 08-09) |
| Color | max. 10 | Pt/Co | (D1209; 03-18) |
| Methacrylic acid (mass) | max. 0.05 | % | (E202; 01-01) |
| Molecular weight (av) | 130 | g / mol | — |
