S
sm20
Student
- May 5, 2021
- 132
"Chemtrade suggests that under proper storage conditions, the shelf life for dry sodium nitrite is at least 3 years. While sodium nitrite may cake, clump and harden within 6 months of the manufacture date, the chemical assay will remain within manufacturing specifications for at least 3 years." https://ingredi.com/content/pdfs/So...facturing specifications for at least 3 years.