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Canonical INCI monograph

METHYLISOTHIAZOLINONE

Not on the EU Annex III list

Methylisothiazolinone is the heterocyclic organic compound that conforms to the formula:

METHYLISOTHIAZOLINONE is listed in the European Commission CosIng inventory under the functional category Preservative, with CAS number 2682-20-4 and EC number 220-239-6. CosIng records a restriction against it (V/57 V/39), so check the corresponding Annex entry before formulating. In the free INCIDB sample it appears on 15 product labels, reaching position 15 on body wash.

CAS REGISTRY NUMBER
2682-20-4
EC NUMBER
220-239-6
COSING FUNCTIONS
Preservative
COSING RESTRICTION
V/57 V/39

Sample products containing METHYLISOTHIAZOLINONE

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
Shampooing soin aux huiles d'Olive Karité Argan #25
Gel douche revigorant à l'abricot et à l'orange #16
Gel shampooing douche Agrumes #21
Shampooing antipelliculaire + après-shampooing 2 in 1 anti-chute #36
Shampooing antipelliculaire Instant Dry Scalp Care #30
Charlotte Douche Fraise & Myrtille #20
Après-shampooing Blond lumière #19
Vitalité Brillance Shampooing #23

Query METHYLISOTHIAZOLINONE in the full snapshot

import pyarrow.parquet as pq

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