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Allergenic Dyes Testing
2020/7/14 18:21:06
Allergenic Dyes Testing 


The allergenic disperse dyes refer to the dyes that will cause allergy to skin, mucous membrane or respiratory passage allergy of human body or animal. Suction allergy of human body mainly fastens on respiratory passage and mucous membrane, and a part of active dyes (granule and liquid) can cause this kind of allergy.

At present, there are totally 27 kinds of allergenic disperse dyes. international well-known eco-safety standard Oeko-Tex Standard, 20 kinds of them are listed as monitoring items of ecological textiles, namely No.1-No.20 in the table below. Moreover add two kinds of allergenic disperse dyes, No.21 and No.22. These dyes are mainly used in dyeing of polyester, polyamide and cellulose acetate fibre, and 17 kinds of them are disperse dyes used in acetate fiber on early stage. Regulations in Eco-label label standard that EU presented in May, 2002: 17 kinds of dyes listed in the standard (3 less than Oeko-Tex Standard 100: C.L. Disperse Blue 1, C.I. Disperse Brown 1 and C.I. Disperse Yellow 3), and it’s not permitted when the colorfastness to perspiration of dyeing textiles is lower than Grade 4.

Banned ADD

No.

English Name

Chinese Name

CAS No.

1#

Disperse Blue 1

分散藍1

2475-45-8

2#

Disperse Blue 3

分散藍3

2475-46-9

3#

Disperse Blue 7

分散藍7

3179-90-6

4#

Disperse Blue 26

分散藍26

3860-63-7

5#

Disperse Blue 35

分散藍35

12222-75-2

6#

Disperse Blue 102

分散藍102

69766-79-6

7#

Disperse Blue 106

分散藍106

12223-01-7

8#

Disperse Blue 124

分散藍124

61951-51-7

9#

Disperse Brown 1

分散棕1

23355-64-8

10#

Disperse Orange 1

分散橙1

2581-69-3

11#

Disperse Orange 3

分散橙3

730-40-5

12#

Disperse Orange 37/76

分散橙37/76

13301-61-6

13#

Disperse Red 1

分散紅1

2872-52-8

14#

Disperse Red 11

分散紅11

2872-48-2

15#

Disperse Red 17

分散紅17

3179-89-3

16#

Disperse Yellow 1

分散黃1

119-15-3

17#

Disperse Yellow 3

分散黃3

2832-40-8

18#

Disperse Yellow 9

分散黃9

6373-73-5

19#

Disperse Yellow 39

分散黃39

12236-29-2

20#

Disperse Yellow 49

分散黃49

54824-37-2

21#

Disperse Yellow 23

分散黃23

6250-23-3

22#

Disperse Orange 149

分散橙149

85136-74- 9


There are some differences between the limited value of tested allergenic disperse dyes on textiles nowadays over the world and the qualified evaluation standard that different buyers draw up. It is stipulated that 20 kinds are banned in the Oeko-Tex Standard 100 and GB/T 18885 Technical Specification for Ecological Textiles and the qualified limited value of allergenic disperse dyes is set a limit to 0.006%, namely 60 mg/kg. 50mg/kg is stipulated in the Oeko-Tex Standard 100. In fact, many famous buyers stipulate that allergenic disperse dyes are not detected in the samples (under the limit of detection).|

iTC Lab adopts DIN 54231:2005-11 and § 64 LFGB B, 82.02-10: 2007-03 to test the 22 kinds of ADD above, the lower limit reaching 5 mg/Kg, meeting the EU regulations.

 

Inspection Testing Center Technology Co., LTD


垂涎闺蜜老公许久终于逮到机会趁闺蜜怀孕帮忙解决老公性需求超主动服务