4 May 2015
Japan Announces Azo Restriction in Textile Products
The Japan Ministry of Health, Labour and Welfare (MHLW) officially released the amendment to the existing “Act on Control of Household Products Containing Harmful Substances”, where azo compounds are designated as hazardous substances. Twenty-four (24) specified aromatic amines are regulated and cannot be used in household products in amounts exceeding the established limit. The amended ordinance will enter into force on 1 April 2016.
The new ordinance restricts azo compounds that can break down to release any of the 24 toxic aromatic amines (the following table) with a threshold limit less than 30 mg/kg when tested using a gas chromatograph mass spectrometer.
Recommended Test Method:
- JIS L 1940-1:2014 (ISO 24362-1:2014) – Textiles – Methods for determination of certain aromatic amines derived from azo colorants – Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres
- JIS L 1940-3:2014 (ISO 24362-3:2014) – Textiles – Methods for determination of certain aromatic amines derived from azo colorants – Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
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Reference: SGS-Safeguard 034/15