Molar Mass of Common Esters
The molar mass of esters varies depending on the specific chemical structure of the ester. The following table provides a curated list of molar mass values for common esters.
| Methyl acetate (C3H6O2) | 74.08 |
| Ethyl acetate (C4H8O2) | 88.11 |
| Butyl acetate (C6H12O2) | 116.16 |
| Isopropyl acetate (C5H10O2) | 102.13 |
| Propyl acetate (C5H10O2) | 102.13 |
| Ethyl butyrate (C6H12O2) | 116.16 |
| Methyl propionate (C4H8O2) | 88.11 |
| Ethyl propionate (C5H10O2) | 102.13 |
| Isobutyl acetate (C6H12O2) | 116.16 |
| Butyl butyrate (C8H16O2) | 144.21 |
| Ethyl formate (C3H6O2) | 74.08 |
| Butyl formate (C5H10O2) | 102.13 |
| Methyl butyrate (C5H10O2) | 102.13 |
| Propyl butyrate (C7H14O2) | 130.18 |
| Methyl isobutyrate (C5H10O2) | 102.13 |
| Ethyl isobutyrate (C6H12O2) | 116.16 |
| Butyl isobutyrate (C8H16O2) | 144.21 |
| Isopropyl butyrate (C7H14O2) | 130.18 |
| Isobutyl butyrate (C8H16O2) | 144.21 |
| Methyl valerate (C6H12O2) | 116.16 |
| Ethyl valerate (C7H14O2) | 130.18 |
| Butyl valerate (C9H18O2) | 158.24 |
| Isopropyl valerate (C8H16O2) | 144.21 |
| Isobutyl valerate (C9H18O2) | 158.24 |
| Methyl hexanoate (C7H14O2) | 130.18 |
| Ethyl hexanoate (C8H16O2) | 144.21 |
| Butyl hexanoate (C10H20O2) | 172.26 |
| Isopropyl hexanoate (C9H18O2) | 158.24 |
| Isobutyl hexanoate (C10H20O2) | 172.26 |
| Methyl octanoate (C9H18O2) | 158.24 |
| Ethyl octanoate (C10H20O2) | 172.26 |
| Butyl octanoate (C12H24O2) | 200.32 |
| Isopropyl octanoate (C11H22O2) | 186.29 |
| Isobutyl octanoate (C12H24O2) | 200.32 |
| Methyl decanoate (C11H22O2) | 186.29 |
| Ethyl decanoate (C12H24O2) | 200.32 |
| Butyl decanoate (C14H28O2) | 228.37 |
| Isopropyl decanoate (C13H26O2) | 214.34 |
| Isobutyl decanoate (C14H28O2) | 228.37 |
| Methyl dodecanoate (C13H26O2) | 214.34 |
| Ethyl dodecanoate (C14H28O2) | 228.37 |
| Butyl dodecanoate (C16H32O2) | 256.42 |
| Isopropyl dodecanoate (C15H30O2) | 242.4 |
| Isobutyl dodecanoate (C14H28O2) | 228.37 |
| Methyl benzoate (C8H8O2) | 136.15 |
| Ethyl benzoate (C9H10O2) | 150.17 |
| Butyl benzoate (C11H14O2) | 178.23 |
| Isopropyl benzoate (C10H12O2) | 164.2 |
| Isobutyl benzoate (C11H14O2) | 178.23 |
| Phenethyl acetate (C10H12O2) | 164.2 |
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Netherlands: Elsevier Science, 2015. 4) Occupational Safety and Health Administration (OSHA): The National Institute for Occupational Safety and Health (NIOSH).