Na
22.9897693 g/mol
Industrial ChemicalDanger
SODIUM
CAS7440-23-5EC231-132-9
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Chemical intermediate and reducing agent
Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive alkali metal commonly used as a chemical intermediate and reducing agent in industrial processes.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
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Relevant lists:CN Explosive Precursor Chemicals
CAS 7440-23-5
Related Compounds
StrongSame Parent
Sodium hydride
CAS7646-69-7
strong base in organic synthesis
StrongSame Parent
Sodium fluoride
CAS7681-49-4
fluoridation of drinking water
ReferenceSame Category
Argon
CAS7440-37-1
Inert gas for welding and metal refining
ReferenceSame Category
Boron
CAS7440-42-8
Industrial chemical for glass and borate production
ReferenceSame Category
Carbon
CAS7440-44-0
Carbon black pigment and reducing agent
ReferenceSame Category
Chromium
CAS7440-47-3
Steel and alloys production
Safety Reference
Danger
H260In contact with water releases flammable gases which may ignite spontaneously
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for SODIUM (CAS 7440-23-5) is 2805.11.
HS code (international, 6-digit)
2805.11
EU CN code (8-digit)
2805 11 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium
InChIKey
KEAYESYHFKHZAL-UHFFFAOYSA-N
SMILES
[Na]
Synonyms (68)
- Q658
- SODIUM
- 11Na
- 23Na isotope
- ATOMIC SODIUM
- Element Sodium
- Element-Na
- Ethyl Jaligonic acid B
- GMW VITAPET WATER
- Ion Level, Sodium
- Level, Sodium Ion
- NAH 80
- Na
- Na (element)
- Na Standard Solution
- Natrium
- Natrium; Sodio; Sodium metal;
- Pentosan
- SODIUM HYDRIDE
- Sodalite 8149
- Sodio
- Sodium (NOS)
- Sodium (atomic)
- Sodium 23
- Sodium element
- Sodium hydride, CP
- Sodium hydride, dry
- Sodium ingot
- Sodium metal
- Sodium, 3N5
- Sodium, ACS reagent, dry
- Sodium, CP
- Sodium, SAJ first grade
- Sodium, cube, in mineral oil
- Sodium-23 isotope
- monosodium
- sodium atom
- sodium(1+) ion