C2H2O2
| Related molecular formulas | ||
|---|---|---|
| C2H4O2 | ||
| CO2 | C2H2O2 | C3H4O2 |
| C2O2 | ||
| C2H2O | C2H2O3 | |
The molecular formula C2H2O2 may refer to:
- Acetylenediol, or ethynediol:

- Glyoxal:

- Acetolactone:

| Related molecular formulas | ||
|---|---|---|
| C2H4O2 | ||
| CO2 | C2H2O2 | C3H4O2 |
| C2O2 | ||
| C2H2O | C2H2O3 | |
The molecular formula C2H2O2 may refer to: