274135
99%
liquid
500 ppm monomethyl ether hydroquinone as inhibitor
n20/D 1.473 (lit.)
80-81 °C/20 mmHg (lit.)
0.962 g/mL at 25 °C (lit.)
CN(C)C(=O)C=C
1S/C5H9NO/c1-4-5(7)6(2)3/h4H,1H2,2-3H3
YLGYACDQVQQZSW-UHFFFAOYSA-N
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This Item | 109606 | D137510 | 773212 |
---|---|---|---|
form liquid | form solid | form liquid | form liquid |
contains 500 ppm monomethyl ether hydroquinone as inhibitor | contains - | contains - | contains <200 ppm MEHQ as inhibitor |
refractive index n20/D 1.473 (lit.) | refractive index - | refractive index n20/D 1.437 (lit.) | refractive index n20/D 1.468 |
bp 80-81 °C/20 mmHg (lit.) | bp - | bp 164.5-166 °C (lit.) | bp - |
density 0.962 g/mL at 25 °C (lit.) | density - | density 0.937 g/mL at 25 °C (lit.) | density 0.924 at 25 °C |
Danger
Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 1
158.0 °F
70 °C
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The manufacture of monomers for use in ophthalmic applications is driven by the need for higher purity, improved reliability of manufacturing supply, but ultimately by the need for the increased comfort, convenience, and safety of contact lens wearers. Daily wear contact lenses have the potential to fill this need for many customers; however, their widespread use is constrained by higher costs compared to weekly- or monthly-based lenses. New approaches that improve cost structure and result in higher quality raw materials are needed to help make contact lenses more affordable and accelerate growth of the contact lens market.
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