Updated June 2026.
There is no official peach-schnapps expiry we will invent. Peach schnapps is flavor English under Official brand open-bottle months unused Heat and air oxidize peach. US “schnapps” on a liqueur neck is not a separate TTB type. A 1.5-ounce pour at 15% is about 0.38 of one drink if that is the neck.
Related: how long triple sec lasts, peach schnapps vs triple sec, mix peach schnapps.
Open vs class
| Language | 1.5 oz drinks |
|---|---|
| Peach schnapps | Read the neck |
| Open months | — |
| Other brands | Neck |
| Example 15% | 0.38 if 15% |
Pour math: liqueur drinks.
More in our Liqueurs Guide.
Sources
- Official peach-schnapps open-bottle months unused. 27 CFR 5.150.
- NIAAA December 2025. No invented shelf-life number.