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tert-Butyl acrylate CAS#1663-39-4

tert-Butyl acrylate CAS#1663-39-4

Basic Information

Basic Information

CAS No.: 1663-39-4
Molecular Formula: C7H12O2
Molecular weight: 128.17

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Product Details

Tert-Butyl acrylate (CAS #1663-39-4, C₇H₁₂O₂, molecular weight 128.17 g/mol) is a transparent, colorless, flammable acrylic monomer widely used in the manufacture of specialty polymers, hydrophobic coatings, and pressure-sensitive adhesives. It is generally stabilized with MEHQ to prevent premature polymerization caused by heat.

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Tert-Butyl acrylate Chemical Properties

English Nametert-Butyl acrylate
English Synonymstert-butylpropenoate;TERT-BUTYL ACRYLATE;2-Propenoic acid, 1,1-dimethylethyl ester;2-Propenoicacid,1,1 -dimethylethylester;ACRYLIC ACID TERT-BUTYL ESTER (STABILIZED WITH MEHQ);2,2 ,6,6'-tetrabromobisph enol;tert-butyl acrylate stablized;tert-Butyl acrylate, 99%, stabilized
CAS Number1663-39-4
Molecular FormulaC7H1202
Molecular Weight128.17
EINECS Number216-768-7
Melting point-69°℃
Boiling point61-63 C/60 mmHg (lit.)
Density0.875 g/mL at 25 °C (lit.)
Vapor pressure20hPa at 23.4℃
Refractive indexn20/D 1.410(lit.)
Flash point63OF
Storage conditionsFlammables area
SolubilitySoluble in chloroform (slightly) and methanol (slightly)
Physical formLiquid
ColorTransparent
Water solubility2 g/L
BRN1742329
InChI1S/C7H1202/c1-5-6(8)9-7(2,3)4/h5H,1H2,2-4H3
InChIKeyISXSCDLOGDJUNJ-UHFFFAOYSA-N
SMILESCC(C)(C)OC(=O)C=C
LogP2.32 at 25℃


Primary Applications

  • Polymer and Resin Production: Used as a reactive monomer in the synthesis of poly(tert-butyl acrylate) and a variety of specialty acrylic copolymers.

  • Coatings and Adhesives: Enhances weather resistance, hardness, and hydrophobicity in surface coatings and adhesive formulations.

  • Cleavable Ester Groups: The tert-butyl ester group can be selectively removed to form poly(acrylic acid) segments in specialized block copolymers and photoresist materials.

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