亚洲国产午夜福利精品,顶级欧美熟妇高清xxxxx,激情小说图片,亚洲男人的天堂成人www
        Hotline:400-880-1556

        English




        Regulatory information | EU REACH Regulation Annex XVII restricted substances added item 76

        Author:中認聯科 time:2021-12-06 Ctr:1825

        On November 22, 2021, the European Union issued the (EU) Regulation 2021/2030 in its official gazette, adding the restriction clause of item 76 of Annex XVII of REACH Regulation on N,N-dimethylformamide, and officially reducing N,N -Dimethylformamide is included in the REACH regulatory restriction list. The regulations will come into effect on the 20th day after the official gazette is published and will be directly applicable to all member states.

        New substance information

        N,N-dimethylformamide (English name: N,N-dimethylformamide)

        CAS No: 68-12-2

        EC. No: 200-679-5

        Common uses and hazards

        Uses: Mainly used as a reaction solvent, organic synthesis intermediate, used as a solvent in the production process of leather, PCB, textiles, paper, polyurethane materials and synthetic fibers.

        Hazard: After the poison is absorbed through various ways, it is mainly demethylated by the mixed functional oxidase of the granular body in the liver, and a methyl group is removed. The metabolites are monomethylformamide and formamide. The metabolism is rapid. It stays in the blood for a little longer, and is then metabolized into formic acid and ammonia to be excreted. Part of the dimethylformamide is excreted in the urine and breath as the original substance. Irritating to eyes, skin and respiratory tract. After invading the body, it is mainly metabolized in the liver, the main target organ is the liver, and the kidneys are also damaged to some extent, which is toxic

        Main restriction requirements

        1. Starting from December 12, 2023, substances and substances and mixtures with a content of ≥0.3% of this substance shall not be placed on the market, unless manufacturers, importers and downstream users have already set the Derivative No Effect Level (DNEL) (inhalation) on workers’ exposure The exposure is 6 mg/m3 and the skin exposure is 1.1 mg/kg/day) listed in the relevant chemical safety report and safety data sheet.

        2. Starting from December 12, 2023, substances and substances or mixtures containing the substance concentration ≥ 0.3% shall not be produced or used unless the manufacturer and downstream users adopt appropriate risk management measures and provide appropriate operating conditions to ensure Worker exposure is lower than the DNEL specified in paragraph 1.

        3. As an exemption from paragraphs 1 and 2, the control date for direct or transferred polyurethane coating processes for textiles and paper materials or solvents in the production of polyurethane films will be extended to December 12, 2024. The control date for the market to be used as a solvent in the dry and wet spinning process of synthetic fibers has been extended to December 12, 2025.

        Reminder

        With the continuous update of the Annex XVII restriction list of REACH regulations, enterprises are facing more and more control requirements. ZRLK recommends that relevant enterprises increase their risk awareness of their products, pay attention to the update of the Annex XVII restriction list of REACH regulations in a timely manner, adjust production strategies, and ensure exports Products containing restricted substances comply with the latest regulatory requirements and avoid trade risks!

        Related Articles
        • Gain a comprehensive understanding of EN 18031: Certification Requirements, Procedures and documentation Preparation

        • Analysis of the EU Network Security Standard for Radio Equipment EN 18031

        • New IATA DGR regulations in 2026: Interpretation of compliance points of state of charge (SoC) of lithium battery goods!

        • [Holiday Notice] 2025 ZRLK Mid-Autumn National Day holiday schedule

        Follow Us
        主站蜘蛛池模板: 超碰在线人人艹| 夜夜揉揉日日人人青青| 黄色大片一级| 国产又猛又爽又黄| 人人玩人人添人人澡超碰偷拍 | 综合久久伊人| 强奷漂亮少妇高潮伦理| 国产女人被狂躁到高潮小说| 久久久黄色片| av青青操| 中文字幕无码免费久久99| 中文人妻无码一区二区三区| 成人在线播放器| 射射视频| 在线视频欧美亚洲| 曰批全过程免费视频观看软件潮喷 | 伊人婷婷色香五月综合缴缴情| 国产一级α片| 亚洲精品色| 日日做日日谢日日鲁| 久久伊人精品青青草原app| 免费看男女做爰爽爽视频| 欧美顶级淫片| 欧美v日本| 婷婷久久综合九色综合88| 国产女女精品视频久热视频| 国产69精品久久久久孕妇不能看| 亚洲aaaaa特级| 老司机精品视频一区二区三区| 亚洲一区天堂九一| 无码日韩精品一区二区人妻| 国精区二区三区| 亚洲一区二区三区免费| 76少妇国内精品视频| 亚洲欧美日韩二三区在线| 中文字幕网伦射乱中文| 久久国产视屏| 在线免费观看欧美日韩| 日韩av一本| 国产成人精品免费视频大| 一本一本久久a久久精品综合麻豆 亚洲线精品一区二区三区影音先锋 |