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1-ethylcyclopentyl ester

1-ethylcyclopentyl ester structure

CAS No:
266308-58-1
Formula:
C11H18O2
Chemical Name:
1-ethylcyclopentyl ester
Synonyms:
1-ethylcyclopentyl ester;(1-ethylcyclopentyl) 2-methylprop-2-enoate;Methacrylic Acid 1-Ethylcyclopentyl Ester;EtCPMA 1-Ethylcyclopentyl methacrylate ArF monomers;1-Ethylcyclopentyl methacrylate 266308-58-1;1-ethylcyclopentyl ester 266308-58-1;2-Propenoic acid, 2-methyl-, 1-ethylcyclopentyl ester;1-Ethylcyclopentyl Methacrylate (stabilized with MEHQ)
Categories:
Pharmaceutical Intermediates > Oled Material Intermediate

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Description

Colorless to Light yellow to Light orange clear liquid.

1-ethylcyclopentyl ester Basic Attributes

Molecular Weight：

182.26

Exact Mass：

182.130679813

DSSTox ID：

DTXSID00592379

Color/Form：

Colorless to Light yellow to Light orange

HScode：

2916.14.2050

Characteristics

Physical Properties：

Lan et al. use ellipsometry and fluorescence to study how the glass transition temperature (Tg) is affected by confinement in silica-supported films of low and high MW poly(1-ethylcyclopentyl methacrylate) (PECPMA) and poly(methyl methacrylate) (PMMA). With decreasing nanoscale thickness, Tg is nearly invariant for high MW (Mn =22.5, 188 and 297 kg/mol) PECPMA but decreases for low MW PECPMA, with Tg-Tg, bulk =-7 to 8 C in a 27-nm-thick film (Mn=4.1 kg/mol) via ellipsometry and 15 ℃ in a 17- nm-thick film (Mn =4.9 kg/mol) via fluorescence. Fluorescence studies using a 20-nm-thick dye-labelled layer in multilayer, bulk PECPMA films reveal a much greater perturbation to Tg in the free-surface layer for low MW PECPMA, which propagates tens of nanometers into the film[2].

Density：

0.95±0.1 g/cm3(Predicted)

Boiling Point：

225.9±9.0 °C(Predicted)

Critical Temperature & Pressure：

2-8°C

Safety Information

Storage features：

Being kept in dry, clean warehouse with well ventilation.Avoid exposing to light and heating.Protecting the product from leakage, rain and insolation during transportation.

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P272, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

1-ethylcyclopentyl ester Use and Manufacturing

Used as Intermediate in organic synthesis. 1-ethylcyclopentyl methacrylate is a representative of methacrylate monomers commonly used in photoresist applications[1].

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