Table 13-2: Fragrance substances categorised as established contact allergens in animals.

INCI name (or, if none exists, perfuming name according to CosIng) CAS number Human evidence: see text EC 3 value (min; %)
 Individual chemicals
Allyl phenoxyacetate 7493-74-5 none 3.1
p-tert. -Butyldihydrocinnamaldehyde 18127-01-0 none 4.3
CYCLAMEN ALDEHYDE 103-95-7 none 22
Dibenzyl ether 103-50-4 none 6.3
2,3-DIHYDRO-2,2,6-TRIMETHYLBENZALDEHYDE 116-26-7 limited 7.5
trans-2-Hexenal  6728-26-3 none 2.6
2-Hexylidene cyclopentanone 17373-89-6 none 2.4
HEXYL SALICYLATE 6259-76-3 negative 0.18
p-Isobutyl-α-methyl hydrocinnamaldehdye 6658-48-6 none 9.5
Isocyclocitral 1335-66-6 none 7.3
α-Methyl cinnamic aldehyde 101-39-3 none 4.5
METHYLENEDIOXYPHENYL METHYLPROPANAL 1205-17-0 none 16.4
METHYLUNDECANAL 110-41-8 none 10
2-Methoxy-4-methylphenol  93-51-6 none 5.8
4-Methoxy-α-methyl benzenpropanal 5462-06-6 none 23.6
METHYL OCTINE CARBONATE 111-80-8 limited 2.5
Perillaldehyde p-Mentha-1,8-dien-7-al 2111-75-3 none 8.1
PHENYLACETALDEHYDE  122-78-1 limited 3
 Natural extracts
Jasminum Sambac Flower CERA / Extract / Water 91770-14-8 none 35.4

Source: SCCS,  Opinion on Fragrance allergens in cosmetic products, pages 109-110