Allergens

Number of cases

(%)

Occupational relevance of positive allergens

Potassium dichromate

86

27.5

50 (58.13%)

Cobalt (II) chloride hexahydrate

59

18.9

17 (28.8%)

Nickel sulfate

48

15.3

22 (45.8%)

Thiuram mix

25

8.0

1 (4%)

N-Isopropyl-N-phenyl-4-phenylenediamine (IPPD)

16

5.1

2 (12.5%)

Formaldehyde

12

3.8

7 (58.3%)

Paraben mix

10

3.2

0

Epoxy resin

10

3.2

10 (100%)

Colophonium

9

2.8

3 (33.3%)

Peru balsam

7

2.2

3 (42.8%)

P-Phenylenediamine (PPD)

7

2.2

3 (42.8%)

Fragrance mix

4

1.2

1 (25%)

4-tert-Butylphenol-formaldehyde resin (PTBP-FR)

4

1.2

0

2-Mercaptobenzothiazole (MBT)

4

1.2

1 (25%)

Quaternium 15

4

1.2

4 (100%)

Benzocaine

3

0.9

0

Lanolin alcohol

3

0,9

0

Mercapto mix

3

0,9

1 (33.3%)

Hydroxymethylpentylcyclohexene-carboxaldehyde 5%

3

0,9

0

Primin (2-Methoxy-6-n-pentyl-4-benzoquinone)

2

0.6

Sesquiterpene lactone mix Mx-18

2

0.6

1 (50%)

Fragrance mix II

1

0.3

0

Kathon CG

1

0.3

0

Methyldibromo glutaronitrile 0.3%

1

0.3

0