Sodium acetate, CH3COONa, also abbreviated NaOAc, is the sodium salt of acetic acid.
S 1606 (OTTO) Sodium acetate, anhydrous, for molecular biology, 99%+ Cas 127-09-3 - used to mitigate water damage to concrete by acting as a concrete sealant, while also being environmentally benign and cheaper than the commonly used epoxy alternative for sealing concrete against water permeation.