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Canonical INCI monograph

MAGNESIUM OXIDE

Not on the EU Annex III list

MAGNESIUM OXIDE is listed in the European Commission CosIng inventory under the functional categories Absorbent, Buffering, Opacifying, with CAS number 1309-48-4 and EC number 215-171-9. In the free INCIDB sample it appears on 1 product label, reaching position 8 on Axe SG.

CAS REGISTRY NUMBER
1309-48-4
EC NUMBER
215-171-9
COSING FUNCTIONS
Absorbent, Buffering, Opacifying

Sample products containing MAGNESIUM OXIDE

Label positions from the free INCIDB sample. A lower position means the ingredient is declared earlier, i.e. present in a higher proportion.

PRODUCT LABEL POSITION
Axe SG #8

Query MAGNESIUM OXIDE in the full snapshot

import pyarrow.parquet as pq

ingredients = pq.read_table('ingredients.parquet').to_pandas()
target = ingredients[ingredients['inci_name'] == "MAGNESIUM OXIDE"]
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.

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