**Exhibit 21.1**

 

**ROCKWOOD HOLDINGS, INC.**

**SUBSIDIARIES**

** **
| **Name of Subsidiary**                                                          | ** ** | **State/Jurisdiction of Incorporation** |
|-------------------------------------------------------------------------------------------|------------|---------------------------------------------------|
| Aachener Chemische Werke Gesellschaft für  glastechnische Produkte und Verfahren mbH |       | Germany                                           |
| Advantis  Technologies, Inc.                                                         |       | Delaware                                          |
| Alberti &  Co. GmbH                                                              |       | Germany                                           |
| AlphaGary  (Canada) Limited                                                               |       | Canada                                            |
| AlphaGary  Corporation                                                                    |       | Delaware                                          |
| AlphaGary  Limited                                                                        |       | United  Kingdom                                   |
| AM  Craig Ltd.                                                                            |       | United  Kingdom                                   |
| Ardrox  – Agena Quimica Ltda.                                                        |       | Brazil                                            |
| Ardrox  Ltd.                                                                              |       | United  Kingdom                                   |
| BAE  Vermögensverwaltungs GmbH                                                       |       | Germany                                           |
| BCI  Pensions Trustees Ltd.                                                               |       | United  Kingdom                                   |
| Bedec  Tir S.A.                                                                           |       | France                                            |
| Brent  Europe Ltd.                                                                        |       | United  Kingdom                                   |
| Brent  International B.V.                                                                 |       | United  Kingdom                                   |
| Brockhues  GmbH & Co. KG                                                         |       | Germany                                           |
| Caledonian  Applied Technology Limited                                                    |       | United  Kingdom                                   |
| CeramTec  Innovative Ceramic Engineering (M) Sdn. Bhd.                               |       | Malaysia                                          |
| CeramTec  AG                                                                              |       | Germany                                           |
| CeramTec  Czech Republic s.r.o.                                                           |       | Czech  Republic                                   |
| CeramTec  Ibérica–Innovative Ceramic Engineering S.L.                           |       | Spain                                             |
| CeramTec  Italia S.r.l.                                                                   |       | Italy                                             |
| CeramTec  Korea Ltd.                                                                      |       | Korea                                             |
| CeramTec  North America Innovative Ceramic Engineering Corporation                        |       | Delaware                                          |
| CeramTec  UK Ltd.                                                                         |       | United  Kingdom                                   |
| CeramTec  Suzhou Ltd.                                                                     |       | China                                             |
| Cerasiv  GmbH Innovatives Keramik-Engineering                                             |       | Germany                                           |
| Cetema  B.V.                                                                              |       | Netherlands                                       |
| Changchun  Chemetall Chemicals Co., Ltd.                                                  |       | China                                             |
| Changshu  Rockwood Pigments Company Limited                                               |       | China                                             |
| Chemetall  (Australasia) Pty. Ltd.                                                        |       | Australia                                         |
| Chemetall  (Proprietary) Ltd.                                                             |       | South  Africa                                     |
| Chemetall  (Thailand) Co. Ltd.                                                            |       | Thailand                                          |
| Chemetall  Danmark A/S                                                                    |       | Denmark                                           |
| Chemetall  AG                                                                             |       | Switzerland                                       |
| Chemetall  Asia Pte. Ltd.                                                                 |       | Singapore                                         |
| Chemetall  Corp.                                                                          |       | Delaware                                          |
| Chemetall  do Brasil Ltda.                                                                |       | Brazil                                            |
| Chemetall  Finland Oy                                                                     |       | Finland                                           |
| Chemetall  Foote Corp.                                                                    |       | Delaware                                          |
| Chemetall Ges.m.b.H.                                                                      |       | Austria                                           |
| Chemetall  GmbH                                                                           |       | Germany                                           |
| Chemetall  Holding GmbH                                                                   |       | Austria                                           |
| Chemetall  Hong Kong Ltd.                                                                 |       | China                                             |
| Chemetall  Hungária Vegyianyagokat Gyártó es Forgalmazó Kft           |       | Hungary                                           |
| Chemetall  India Company Ltd.                                                             |       | United  Kingdom                                   |
| Chemetall  Italia S.r.l.                                                                  |       | Italy                                             |
| Chemetall  Japan K.K.                                                                     |       | Japan                                             |
| Chemetall  Mexicana, S.A. de C.V.                                                         |       | Mexico                                            |
| Chemetall  N.V.                                                                           |       | Belgium                                           |
| Chemetall  Philippines Co. Ltd., Inc.                                                |       | Philippines                                       |
| Chemetall  PLC                                                                            |       | United  Kingdom                                   |
| Chemetall  Polska Sp.z o.o.                                                               |       | Poland                                            |

 

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| Chemetall  ooo                                                           |   | Russia          |
|--------------------------------------------------------------------------|--------|-----------------|
| Chemetall  S.A.                                                          |   | Spain           |
| Chemetall  Sanayi Kimyasallari Ticaret ve Sanayi A.S.                    |   | Turkey          |
| Chemetall  S.A.S.                                                        |   | France          |
| Chemetall  Skandinavien Ytteknik AB                                      |   | Sweden          |
| Chemetall  Speciality Chemicals Ltd.                                     |   | United  Kingdom |
| Chemetall  Surface Treatment Holding Co., Ltd.                           |   | Thailand        |
| Chemetall  Taiwan Co., Ltd.                                              |   | Taiwan          |
| Chemetall  S.r.l.                                                        |   | Italy           |
| Chemetall-Rai  India Ltd.                                                |   | India           |
| Chemical  Specialties, Inc.                                         |   | North  Carolina |
| Chemserve  Ltd.                                                          |   | United  Kingdom |
| ChemStore  GmbH                                                          |   | Germany         |
| Chillihurst  Limited                                                     |   | United  Kingdom |
| Chongqing  Chemetall Chemicals Co., Ltd.                                 |   | China           |
| CM  Services B.V.                                                        |   | Netherlands     |
| CM-Hilfe  GmbH Unterstützungskasse                                  |   | Germany         |
| CMTL  S.r.l.                                                             |   | Italy           |
| Creambay  Limited                                                        |   | United  Kingdom |
| Creamglade  Limited                                                      |   | United  Kingdom |
| CSI  Kemwood AB                                                          |   | Sweden          |
| CSI  Kemwood Oy                                                          |   | Finland         |
| CSI  Wood Protection Limited                                             |   | United  Kingdom |
| Deutsche Baryt-Industrie Dr. Rudolf Alberti  GmbH & Co. KG |   | Germany         |
| DICON  Explosives Company Ltd.                                           |   | Nigeria         |
| DNVJ  Vermögensverwaltung GmbH                                      |   | Germany         |
| Dynamit  Nobel GmbH                                                      |   | Germany         |
| Dynamit  Nobel Unterstützungsfonds GmbH                             |   | Germany         |
| Emil  Müller GmbH                                                   |   | Germany         |
| EKOKEMI  GmbH                                                            |   | Germany         |
| Excalibur  Realty Company                                                |   | Delaware        |
| Excalibur  Realty UK Limited                                             |   | United  Kingdom |
| Exsil, Inc.                                                         |   | Delaware        |
| Foote  Chile Holding Company                                             |   | Delaware        |
| Foote Minera e Inversiones Ltda.                                         |   | Chile           |
| Fuyang  Golden Autumn Chemicals Company Limited                          |   | China           |
| Guangzhou  Huali Sachtleben Chemicals Company Ltd.                       |   | China           |
| hebro  chemie GmbH                                                       |   | Germany         |
| Industrieservice  Ges.m.b.H.                                             |   | Austria         |
| Inorganic  Pigments Limited                                              |   | United  Kingdom |
| iSiltec Innovative Silicon Technologies GmbH                             |   | Germany         |
| KENDELL  S.r.l.                                                          |   | Italy           |
| Knight  Chimiques de Specialité S.A.S.                              |   | France          |
| Knight  Lux 1 S.à r.l.                                              |   | Luxembourg      |
| Knight  Lux 2 S. à r.l.                                             |   | Luxembourg      |
| Knight  Polska 1 Sp.z o.o.                                               |   | Poland          |
| LRG  Recycling GmbH Leverkusen                                           |   | Germany         |
| Lurex,  Inc                                                              |   | Delaware        |
| Metalon Stolberg Gesellschaft mit beschränkter  Haftung             |   | Germany         |
| MIWAC  Mitteldeutsche Wasserchemie GmbH                                  |   | Germany         |
| Mustardgrange  Limited                                                   |   | United  Kingdom |
| Nigerian  Development and Construction Company Ltd.                      |   | Nigeria         |
| Nuodex  Mexicana, S.A. des C.V.                                          |   | Mexico          |
| Nuodex  Italiana S.r.l.                                                  |   | Italy           |
| Oakite  Canada Ltd.                                                      |   | Canada          |
| Oakite  Products, Inc.                                              |   | Delaware        |
| Press + Sintertechnik Sp.z o.o.                                          |   | Poland          |
| PIGMENT-CHEMIE GmbH                                                      |   | Germany         |

 

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| Princeton  Silver Limited                                       |   | United  Kingdom |
|-----------------------------------------------------------------|--------|-----------------|
| PST  Press Sintertécnica Brasil Ltda.                      |   | Brazil          |
| Process  Ink Holdings Ltd.                                      |   | United  Kingdom |
| Process  Inks And Coatings Ltd.                                 |   | United  Kingdom |
| Rockwood  (Ningbo) Chemicals Corporation Limited                |   | China           |
| Rockwood  Absorbents (Baulking) Limited                         |   | United  Kingdom |
| Rockwood  Additives Limited                                     |   | United  Kingdom |
| Rockwood  America Inc.                                          |   | Delaware        |
| Rockwood  Clay Additives GmbH                                   |   | Germany         |
| Rockwood  Far East Limited                                      |   | China           |
| Rockwood  Hong Kong Limited                                     |   | China           |
| Rockwood  Industries Spain S.L.                                 |   | Spain           |
| Rockwood  Italia S.p.A.                                         |   | Italy           |
| Rockwood  Pigmente Holding GmbH                                 |   | Germany         |
| Rockwood  Pigments (UK) Limited                                 |   | United  Kingdom |
| Rockwood  Pigments and Additives Pte. Ltd.                      |   | Singapore       |
| Rockwood  Pigments and Trading Pty Ltd.                         |   | Australia       |
| Rockwood  Pigments NA, Inc.                                |   | Delaware        |
| Rockwood  Shenzhen Pigments Company Ltd.                        |   | China           |
| Rockwood  Specialties Australia Pty Ltd.                        |   | Australia       |
| Rockwood  Specialties Consolidated, Inc.                   |   | Delaware        |
| Rockwood  Specialties GmbH                                      |   | Delaware        |
| Rockwood  Specialties Group GmbH                                |   | Germany         |
| Rockwood  Specialties Group, Inc.                          |   | Delaware        |
| Rockwood  Specialties Inc.                                      |   | Delaware        |
| Rockwood  Specialties International, Inc.                  |   | Delaware        |
| Rockwood  Specialties Limited                                   |   | United  Kingdom |
| Rockwood  Taicang Pigments Company Ltd.                         |   | China           |
| Rockwood  Vermögensverwaltung GmbH                         |   | Germany         |
| Rockwood  Water Reclaim S.A.S.                                  |   | France          |
| Sachtleben  Chemie GmbH                                         |   | Germany         |
| Sachtleben  Trading (Shanghai) Company Limited                  |   | China           |
| Sachtleben  Corporation                                         |   | Delaware        |
| Sales  de Magnesio Ltda.                                        |   | Chile           |
| Shanghai  CeramTec Innovative Ceramic Engineering Co., Ltd. (a) |   | China           |
| Shanghai  Chemetall Chemicals Co., Ltd.                         |   | China           |
| Silo  Pigmente GmbH                                             |   | Germany         |
| Sociedad  Chilena de Litio Ltda.                                |   | Chile           |
| Southern  Clay Products, Inc.                              |   | Texas           |
| Southern  Color N.A., Inc.                                 |   | Delaware        |
| Stadeln  Genehmigungshaltergesellschaft mbH                     |   | Germany         |
| The  Brent Manufacturing Company Ltd.                           |   | United  Kingdom |
| Troisdorf  Genehmigungshaltergesellschaft mbH                   |   | Germany         |
| Viance  Limited                                                 |   | United  Kingdom |
| Viance  LLC                                                     |   | Delaware        |
| Viance  Oy                                                      |   | Finland         |
| Winnets  Inks Ltd.                                              |   | United  Kingdom |
| Würgendorf  Genehmigungshaltergesellschaft mbH             |   | Germany         |

 

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(a) Inthe process of dissolution

 

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