Product NameEthyl 3,3-dimethylacrylate
CAS638-10-8
Molecular FormulaC7H12O2
Molecular Weight128.17
InChIInChI=1S/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3
InChIKey UTXVCHVLDOLVPC-UHFFFAOYSA-N
SmilesC(OCC)(=O)/C=C(/C)\C

Mass
MS-IW-1259 ethyl 3,3-dimethylacrylate C7H12O2 (Mass of molecular ion: 128)
Source Temperature: 220 °C Sample Temperature: 160 °C Reservoir, 75 eV
27.0 9.2
28.0 2.0
29.0 17.6
39.0 9.4
40.0 1.1
41.0 3.2
42.0 1.4
43.0 3.0
45.0 1.0
53.0 4.6
54.0 5.5
55.0 33.3
56.0 3.2
57.0 1.4
59.0 2.8
67.0 1.1
82.0 26.7
83.0 100.0
84.0 6.5
85.0 14.8
99.0 1.0
100.0 24.6
101.0 1.6
113.0 5.2
128.0 39.8
129.0 4.0
400 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C7 H12 O2 | 0.05 ml : 0.5 ml CDCl3 |
| ethyl 3,3-dimethylacrylate | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
2269.04 5.678 131
2267.70 5.675 264
2266.36 5.671 322
2265.01 5.668 253
2263.67 5.665 124
2262.33 5.661 39
1664.43 4.165 227
1662.48 4.160 24
1657.23 4.147 578
1650.15 4.129 574
1642.94 4.111 235
867.19 2.170 866
865.72 2.167 772
755.74 1.892 841
754.15 1.888 756
513.67 1.286 656
506.59 1.268 1000
499.39 1.250 629
in CDCl3

liquid film


Ethyl 3,3-dimethylacrylate(638-10-8) 13C NMR Atlas of Related Products