Sodium bicarbonate
CAS 144-55-8CHNaO384.007 g/mol
Sodium hydrogencarbonate is an organic sodium salt and a one-carbon compound. It has a role as an antacid and a food anticaking agent. It contains a hydrogencarbonate.
IUPAC: sodium hydrogen carbonate
PubChem
Physical & Chemical Properties
| Melting Point | Decomposes at 228 °F (NTP, 1992) |
| Density | 2.159 (NTP, 1992) - Denser than water; will sink |
| Solubility | 1 in 10 % at 77 °F (NTP, 1992) |
| pH | Between 8,0 and 8,6 (1 % solution) |
| Appearance | Sodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77 °F. pH (of saturated solution): 8-9. Non-toxic. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2836
Data: UN Comtrade
Suppliers on Chem-Exchange
No suppliers currently listing Sodium bicarbonate
List Your ProductsSafety Data Sheets
No SDS documents available
Upload an SDS document