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Table 11.1

Detection limits for the analysis for aromatic amines

 

Azocolorants in Textiles and Toys

 

ppm = mg/kg textile

Aromatic amine

After reductive cleaving
of azo compounds

Without
reduction

o-tolidine (CAS-No. 119-93 -7)

1

1

o-dianisidine (CAS-No. 119-90-4)

1

1

3,3’-dichlorbenzidine (CAS-No. 91-94-1)

1

1

4-chloroaniline (CAS-No. 106-47-8)

0.2

0.2

o-toluidine (CAS-No. 95-53-4)

0.1

0.1

o-aminoazotoluene (CAS-No. 97-56-3)

-

1

2-amino-4-nitrotoluene (CAS-No. 99-55-8)

-

1

2,4-diaminotoluene (CAS-No. 95-80-7)

1

2

2,4-diaminoanisole (CAS-No. 615-05-4)

2

2

4,4’-diaminodiphenylmethane (CAS-No. 101-77-9)

1

1

4,4’-diamino-3,3’-dimethylbiphenylmethane (CAS-No. 83 8-88-0)

1

1

4,4’-diainino-3,3’-dichlorbiphenylmethane (CAS-No. 101-14-4)

2

2

4,4’-bis (dimethylamino) biphenylmethane (CAS-No. 101-61-1)

0.5

0.5

4,4’-diaminodiphenylether (CAS-No. 101-80-4)

1

1

4,4-diaminodiphenylsulfide (CAS-No. 139-65-1)

2

2

2,4,5-trimethylaniline (CAS-No. 137-17-7)

0.1

0.1

p-cresidine (CAS-No. 120-71-8)

0.2

0.2

Benzidine (CAS-No. 92-87-5)

1

1

4-chloro-o-toluidine (CAS-No. 95-69-2)

0.2

0.2

2-naphthylamine (CAS-No. 91-59-8)

0.5

1

4-aminobiphenyl (CAS-No. 92-67-1)

0.5

1