EXHIBIT 21.1
| Name | Organized Under Laws Of | |
| The Chemours Holding Company, S. de R.L. de C.V. | Mexico | |
| Antec International Ltd. | United Kingdom | |
| International Dioxcide, Inc. | Delaware | |
| ChemFirst Inc. | Mississippi | |
| First Chemical Corporation | Mississippi | |
| First Chemical Holdings, LLC | Mississippi | |
| First Chemical Texas, L.P | Delaware | |
| FT Chemical, Inc. | Texas | |
| The Chemours (Changshu) Fluoro Technology Company Limited | China | |
| Chemours Titanium Tachnologies (Taiwan) Ltd. | Taiwan | |
| DuPont Haohua Chenguang Fluoromaterials (Shanghai) Co., Ltd. | China | |
| The Chemours Company North America, Inc. | Delaware | |
| MDF Fluorochemicals Company, Ltd. | Japan | |
| The Chemours Company | Delaware | |
| The Chemours Company FC, LLC | Delaware | |
| The Chemours Company TT, LLC | Pennsylvania | |
| The Chemours Company Global Operations, LLC | Delaware | |
| The Chemours Company Worldwide Operations, Inc. | Delaware | |
| The Chemours Company Asia Pacific Operations, Inc. | Delaware | |
| The Chemours Company Delaware Operations, Inc. | Delaware | |
| The Chemours Company International, LLC | Delaware | |
| The Chemours Company Netherlands, LLC | Delaware | |
| The Chemours Company EMEA, LLC | Delaware | |
| The Chemours Canada Company | Canada | |
| The Chemours Company Industria E Comercio de Produtos Quimicos Ltda. | Brazil | |
| The Chemours Company Mexicana S. de R.L. de C.V. | Mexico | |
| Chemours Belgium BVBA | Belgium | |
| Chemours France SAS | France | |
| Chemours Deutschland GmbH | Germany | |
| Chemours Netherlands BV | Netherlands | |
| TCC Holding 1 C.V. | Netherlands | |
| TCC Holding 2 C.V. | Netherlands | |
| Chemours NL Holding 1 B.V. | Netherlands | |
| Chemours NL Holding 2 B.V. | Netherlands | |
| Chemours NL Holding 3 B.V. | Netherlands | |
| Chemours NL Holding 5 B.V. | Netherlands | |
| Chemours International Operations Sàrl | Switzerland | |
| Chemours Services Sàrl | Switzerland | |
| TCC Holding 3 C.V. | Netherlands | |
| Shenzhen Chemours Investment Co., Ltd. | China | |
| The Chemours Chemical (Shanghai) Company Limited | China | |
| Chemours Hong Kong Holding Limited | Hong Kong | |
| Chemours Kabushiki Kaisha | Japan | |
| The Chemours Company Malaysia Sdn. Bhd. | Malaysia | |
| The Chemours Company Singapore Pte. Ltd. | Singapore | |
| The Chemours (Taiwan) Company Limited | Taiwan | |
| The Chemours (Thailand) Company Limited | Thailand | |
| Sentinel Transportation, LLC | Delaware | |
| Initiatives Inc. S.A. de C.V. | Mexico |
Subsidiaries not listed would not, if considered in the aggregate as a single subsidiary, constitute a significant subsidiary.
