TNJ Chemical offers price quotation and technology support of CAS 140-07-8 N, N, N ‘, N’ – Tetra (2-hydroxyethyl) ethylenediamine from China. As a comprehensive China factory supplier, we make sure the quotation a reasonable and competitive price., and the product quality reliable and stable. We provide documents such as COA, TDS, MSDS etc for your reference. If you need to buy CAS 140-07-8 N, N, N ‘, N’ – Tetra (2-hydroxyethyl) ethylenediamine from China, please feel free to contact sales@tnjchem.com