Cosmetic ingredient

SODIUM HYDROXIDE

Sodium hydroxide is the English name used for SODIUM HYDROXIDE in the INCI nomenclature. The record gives Sodium hydroxide as its chemical name, with CAS number 1310-73-2 and EC number 215-185-5.

Molecular structure of SODIUM HYDROXIDE
2D molecular structure
CAS number
1310-73-2
EC number
215-185-5
Molecular formula
HNaO
Molecular weight
39.997
Chemical name
Sodium hydroxide
InChIKey
HEMHJVSKTPXQMS-UHFFFAOYSA-M

What it is

Sodium hydroxide is the English name used for SODIUM HYDROXIDE in the INCI nomenclature. The record gives Sodium hydroxide as its chemical name, with CAS number 1310-73-2 and EC number 215-185-5.

These identifiers accompany the chemical identification in this record. No additional chemical description is provided in this entry.

What it does in a formula

SODIUM HYDROXIDE is classified in the record as BUFFERING and DENATURANT. BUFFERING points to a buffering classification within a formula, while DENATURANT records a denaturing function.

The two classifications describe roles assigned to the ingredient in a cosmetic composition. They do not state the amount used or establish an effect for the finished product.

Conditions and care

The record lists cosmetic restriction III/15a for SODIUM HYDROXIDE. The code appears without a maximum concentration, condition of use or accompanying text that explains its application in this entry.

For that reason, the code should not be turned into use guidance or a safety assessment. The record only confirms that this restriction exists and provides no basis for setting limits beyond the information shown.

Recorded conditions

Restrictions and conditions of use

Cosmetic restriction
III/15a
Catalogue presence

Products containing this ingredient

The list follows the composition declared by the source record and preserves the name found there.