4-(Ethoxyethoxy)styrene CAS 157057-20-0

【Chemical Name】 1-(1-Ethoxyethoxy)-4-vinylbenzene

【Chemical Synonyms】 4-(Ethoxyethoxy)styrene; p-(1-Ethoxyethoxy)styrene; 1-Ethenyl-4-(1-ethoxyethoxy)benzene

【CAS No.】 157057-20-0

【Molecular Formula】 C12H16O2

【Molecular Weight】 192.25 g/mol

【Product Properties】

- Appearance: Colorless to almost colorless clear liquid .

- Purity: ≥98.0% (GC) .

- Density: 0.982 g/cm³ .

- Boiling Point: 286.5 °C .

- Stability: Contains a 1-ethoxyethoxy (EE) acetal protecting group known for high acid lability and stability under basic conditions .

【Storage】 Store under inert gas, protected from air and light. Recommended storage temperature is 2-8°C or cool, dark conditions below 15°C .

【Packing】

- Standard packaging options: 1kg, 5kg, and 25kg .

- Customized bulk quantities available upon request.

【Application】

- Photoresist Monomer: Essential precursor for chemically amplified resists in deep-UV lithography, offering superior deprotection kinetics at room temperature compared to t-BOC alternatives .

- Polymer Synthesis: Enables living anionic polymerization to produce well-defined Poly(p-hydroxystyrene) (PHS) precursors with narrow polydispersity (PDI ≤ 1.09) for block copolymer architectures .

- Material Science: Utilized as an intermediate for adhesives, coatings, and specialized electronic materials due to its unique solubility and reactivity .

【Product Specification】

| Specification | Standard |

| :--- | :--- |

| Purity (GC) | ≥ 98.0% |

| Appearance | Clear liquid |

| Refractive Index | 1.520 |

| Water Solubility | 38.59 mg/L (25 °C) |