SHEET /m/sodium-bicarbonate · PubChem CID 516892 · CAS 144-55-8 · REV 2026.07
Sodium bicarbonate
from sourceCHNaO3 · 84.007 g/mol
sodium hydrogencarbonate · baking soda · monosodium carbonate · bicarbonate of soda
What is Sodium bicarbonate?
Baking soda. It releases carbon dioxide when it meets an acid, which is why it lifts a cake and why it fizzes in a glass of vinegar. from source
Fig. 1 · 2D structure RDKit
C(=O)(O)[O-].[Na+]Where you'll find it
Curated by MoleculeFinder from source
The dose makes the poison inferred
A reported rat oral LD50 for Sodium bicarbonate is 4,220 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:
“The dose makes the poison” is a cross-species estimate shown as neutral science, not a threshold anyone should act on. Real toxicity depends on the person, not body mass alone.
Toxicity & hazards
Toxicity · LD50
4,220 mg/kg · very low toxicity · LD50 rat oral from source
The dose lens above scales this to a body weight.
1 more reported value
- 3,360 mg/kgLD50 · oral · mouse
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