290807
2-Ethylhexyl methacrylate
98%, contains ~50 ppm monomethyl ether hydroquinone as stabilizer
Synonym(s):
2-EHA, EHMA
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About This Item
Linear Formula:
CH2=C(CH3)COOCH2CH(C2H5)(CH2)3CH3
CAS Number:
Molecular Weight:
198.30
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
211-708-6
Beilstein/REAXYS Number:
1769420
MDL number:
vapor density
6.9 (vs air)
Quality Segment
assay
98%
contains
~50 ppm monomethyl ether hydroquinone as stabilizer
refractive index
n20/D 1.438 (lit.)
bp
120 °C/18 mmHg (lit.)
density
0.885 g/mL at 25 °C (lit.)
SMILES string
CCCCC(CC)COC(=O)C(C)=C
InChI
1S/C12H22O2/c1-5-7-8-11(6-2)9-14-12(13)10(3)4/h11H,3,5-9H2,1-2,4H3
InChI key
WDQMWEYDKDCEHT-UHFFFAOYSA-N
General description
2-Ethylhexyl methacrylate(EHMA) is a methacrylate ester monomer with low volatility and excellent adhesion to a wide range of substrates. This monomer enhances the flexibility, impact resistance, and toughness of polymers when used in copolymerization. It has good resistance to weathering and helps to enhance the durability and long-term performance of coatings. These copolymers and coatings are applied in the fields of contact lenses, dental restorative materials, and 3D printing.
Application
-Ethylhexyl methacrylate can be used:
- As a monomer to prepare poly(2-phenoxyethyl methacrylate-co-2-phenoxyethyl acrylate-co-2-ethylhexyl methacrylate) (PPPE) intraocular lenses used in cataract treatment. Polymers with 2% 2-ethylhexyl methacrylate are foldable and showed excellent optical and thermomechanical properties.
- To prepare copolymer for the surface modification of dental composite resins to control plaque formation. EHMA imparts water resistance and antifouling properties of dental resins.
- As an internal plasticizer to prepare photo-crosslinked shape memory polymer films used as a photoprintable resins in stereolithography.
- As a precursor to synthesize hydrogels for fabricating contact lenseswith flexibility, permeability, and comfort.
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signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
197.6 °F - closed cup
flash_point_c
92 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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