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Bisomer® CL HEMA

1 of 76 products in this brand
Bisomer® CL HEMA (Hydroxyethyl Methacrylate) is widely used in the preparation of long-term wear or disposable contact lenses.

Chemical Name: Hydroxy Ethyl Methacrylate

CAS Number: 868-77-9

Chemical Family: Methacrylates

Molecular Weight: 130.0 - 130.0 g/mol

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

Technical Data SheetSafety Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Methacrylates

Chemical Name

Hydroxy Ethyl Methacrylate

Base Chemicals Functions

Monomer

CASE Ingredients Functions

Monomer

CAS No.
868-77-9
EC No.
212-782-2
Technologies

Base Chemicals & Intermediates,

CASE Ingredients

Product Families

CASE Ingredients — Monomers & Intermediates

Monomers

Base Chemicals & Intermediates — Monomers & Oligomers

Acrylics, Acrylates & Methacrylates

Chemical structure

GEO Specialty Chemicals Inc Bisomer CL HEMA Chemical structure

Applications & Uses

Markets

Adhesives & Sealants,

Healthcare & Pharma,

Paints & Coatings

Applications

Healthcare & Pharma — Medical

Disposable Ware

Adhesives & Sealants — Other Adhesives & Sealants Applications

Paints & Coatings — Other Paints & Coatings Applications

Applications

Bisomer® CL HEMA is widely used in the preparation of long-term wear and disposable contact lenses, intra-ocular lenses and diverse biomedical applications. Bisomer® CL HEMA is an ideal starting point in the formulation of biomedical hydrogels. Our organization offers dedicated monomer purification units for the production of high purity monomers in an environment controlled for air purity. We also offer customized products for biomedical and contact lens applications and large batch sizes which reduce customer testing requirements and provide greater batch to batch consistency. GEO Specialty Chemicals has monomer expertise from over 40 years of experience as a world leading supplier of hydroxyl monomers with ISO 9001:2000 and ISO 14001 accreditation.

Properties

Appearance
Clear liquid
Typical Properties
ValueUnitsTest Method / Conditions
Water content (mass)max. 0.2%(E203; 23-01)
Inhibitor (MEHQ) content (mass)15 - 30ppm(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)
Colormax. 10Pt/Co(D1209; 03-18)
Methacrylic acid (mass)max. 0.05%(E202; 01-01)
Molecular weight (av)130g / mol—

Regulatory & Compliance

Certifications & 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)

Chemical Inventories

AICS (Australia),

DSL (Canada),

EEC/EU ,

ENCS (Japan),

IECSC (China),

KECI (Korea),

PICCS (Phillipines),

TSCA (USA)

Quality Standards

Swiss Ordinance (SR 817.023.21)

Registration & 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)