Canonical INCI monograph
SODIUM HYDROXIDE
Not on the EU Annex III list
SODIUM HYDROXIDE is listed in the European Commission CosIng inventory under the functional categories Buffering, Denaturant, with CAS number 1310-73-2 and EC number 215-185-5. CosIng records a restriction against it (III/15a), so check the corresponding Annex entry before formulating. In the free INCIDB sample it appears on 50 product labels, reaching position 5 on savon.
CAS REGISTRY NUMBER
1310-73-2
EC NUMBER
215-185-5
COSING FUNCTIONS
Buffering, Denaturant
COSING RESTRICTION
III/15a
Sample products containing SODIUM HYDROXIDE
Label positions from the free INCIDB sample. A lower position means the ingredient is declared earlier, i.e. present in a higher proportion.
Query SODIUM HYDROXIDE in the full snapshot
import pyarrow.parquet as pq
ingredients = pq.read_table('ingredients.parquet').to_pandas()
target = ingredients[ingredients['inci_name'] == "SODIUM HYDROXIDE"]
print(target[['ingredient_id', 'functions', 'cas_number', 'is_common_allergen']])The complete snapshot covers 18,583 products. Coverage of each enrichment column is published, both per distinct name and weighted by label occurrence — see the coverage table.