- Registry number
- CHEM-006
- Preferred designation
- Sodium chloride
- Common names
- Halite · common salt
- Chemical formula
- NaCl
- CAS registry
- 7647-14-5
- PubChem CID
- 5234
- Formula mass
- 58.44 g/mol
- Class
- Alkali chloride
Description & appearance
Colorless cubic crystals; commercial products usually appear white.
Occurrence & historical provenance
Found in seawater, salt lakes, and halite deposits; major constituent of ocean salinity.
Established uses
Food preservation, industrial chemical manufacture, water treatment, and thermal applications.
Hazards & handling context
Common grades are familiar but purity and additives vary; high concentrations are not suitable for every biological or industrial use.
Important distinctions
'Sea salt' and 'rock salt' describe origins or products, not guaranteed purity grades.
Source ledger
The following reference records were consulted for chemical identity and general descriptive claims. Industrial grades, formulations, and mixtures may have different hazard profiles.
Catalogued 2026-11-11 · PyreArms 0.2.0. This is an authored reference entry, not a certificate of laboratory analysis.