**Exhibit 21.1**

 

**ROCKWOODHOLDINGS, INC.**

**SUBSIDIARIES**

 
| **Name  of Subsidiary**                                                                     | ** ** | **State/Jurisdiction of Incorporation** |
|---------------------------------------------------------------------------------------------|------------|-----------------------------------------|
| Aachener  Chemische Werke Gesellschaft für glastechnische Produckte und Verfahren GmbH |       | Germany                                 |
| Advantis Technologies, Inc.                                                            |       | Delaware                                |
| Agena Resinas e  Colas Ltda.                                                                |       | Brazil                                  |
| Alberti & Co. GmbH                                                                 |       | Germany                                 |
| AlphaGary (Canada) Limited                                                                  |       | Canada                                  |
| AlphaGary Corporation                                                                       |       | Delaware                                |
| AlphaGary Limited                                                                           |       | United Kingdom                          |
| AM Craig Ltd.                                                                               |       | UK                                      |
| Aplicaciones Practicas                                                                      |       | Mexico                                  |
| Applexion de Chili (Chili) d Herve / A Gana  de Landa                                       |       | Chile                                   |
| Applexion Inc.                                                                              |       | USA                                     |
| Applexion Latino America                                                                    |       | Brazil                                  |
| Applexion SAS                                                                               |       | France                                  |
| Applexion Separation (Chine) J de la  taillade                                              |       | China                                   |
| Applexion srl                                                                               |       | Italy                                   |
| Applexion USA Inc.                                                                          |       | USA                                     |
| Ardrox – Agena Quimica Ltda.                                                           |       | Brasil                                  |
| Ardrox Ltd.                                                                                 |       | UK                                      |
| BAE Vermögensverwaltungs GmbH                                                          |       | Germany                                 |
| bci Betriebs-AG                                                                             |       | Switzerland                             |
| BCI Pensions Trustees Ltd.                                                                  |       | UK                                      |
| Bedec Tir S.A.                                                                              |       | France                                  |
| Bonder Iran  S.S.K.                                                                         |       | Iran                                    |
| Brent Europe Ltd.                                                                           |       | UK                                      |
| Brent International B.V.                                                                    |       | UK                                      |
| Brent International GmbH                                                                    |       | Germany                                 |
| Brockhues GmbH & Co. KG                                                            |       | Germany                                 |
| Caledonian Applied Technology Limited                                                       |       | United Kingdom                          |
| CeramTec AG (M)  Sdn. Bhd.                                                                  |       | Malaysia                                |
| CeramTec AG Innovative Ceramic Engineering                                                  |       | Germany                                 |
| CeramTec  Anlagen und Betriebs GmbH I.G.                                                    |       | Germany                                 |
| CeramTec Czech Republic s.r.o.                                                              |       | Czech Republic                          |
| CeramTec France S.a.r.l.                                                                    |       | France                                  |
| CeramTec Ibérica s.l.                                                                  |       | Spain                                   |
| CeramTec Italia S.r.l.                                                                      |       | Italy                                   |
| CeramTec Korea Ltd.                                                                         |       | Korea                                   |
| CeramTec North America Corp.                                                                |       | Delaware                                |
| CeramTec Substrates s.r.o.                                                                  |       | Czech Republic                          |
| CeramTec UK Ltd.                                                                            |       | UK                                      |
| Cerasiv GmbH Innovatives Keramik-Engineering                                                |       | Germany                                 |
| Cetema B.V.                                                                                 |       | Netherlands                             |
| Changshu Rockwood Pigments Company Limited                                                  |       | China                                   |
| Chemetall (Australasia) Pty. Ltd.                                                           |       | Australia                               |
| Chemetall (Proprietary) LTD.                                                                |       | South Africa                            |
| Chemetall (Schweiz) AG                                                                      |       | Switzerland                             |
| Rockwood Clay Additives GmbH                                                                |       | Germany                                 |
| Chemetall Asia Pte. Ltd.                                                                    |       | Singapore                               |
| Chemetall Chemical Products Inc.                                                            |       | Delaware                                |
| Chemetall Corp.                                                                             |       | Delaware                                |
| Chemetall A/S                                                                               |       | Denmark                                 |
| Chemetall do Brasil Ltda.                                                                   |       | Brasil                                  |
| Chemetall Finland Oy                                                                        |       | Finland                                 |
| Chemetall Foote Corp.                                                                       |       | Delaware                                |
| Chemetall Ges.m.b.H.                                                                        |       | Austria                                 |

 

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| Chemetall GmbH                                                             |   | Germany        |
|----------------------------------------------------------------------------|--------|----------------|
| Chemetall Hispania S.A.                                                    |   | Spain          |
| Chemetall Holding GmbH                                                     |   | Austria        |
| Chemetall Hong Kong Ltd.                                                   |   | China          |
| Chemetall Hungaria Vegyianyagokat Gyártó es  Forgalmazó Kft |   | Hungary        |
| Chemetall India Company Ltd.                                               |   | UK             |
| Chemetall Italia S.R.L.                                                    |   | Italy          |
| Chemetall Japan K.K.                                                       |   | Japan          |
| Ch-metall Lusitana-Sociedade Tratamento de  Superficies Metalicas          |   | Portugal       |
| Chemetall Mexicana, S.A. de C.V.                                           |   | Mexico         |
| Chemetall N.V.                                                             |   | Belgium        |
| Chemetall Philippines Co. Ltd., Inc.                                  |   | Philippines    |
| Chemetall PLC                                                              |   | UK             |
| Chemetall s.r.l.                                                           |   | Italy          |
| Chemetall s.r.o.                                                           |   | Czechia        |
| Chemetall SA                                                               |   | France         |
| Chemetall Sanayi Kimyasallari Ticaret ve  Sanayi A.S.                      |   | Turkey         |
| Chemetall Skandinavien Ytteknik AB                                         |   | Sweden         |
| Chemetall Sp. zo.o.                                                        |   | Poland         |
| Chemetall Speciality Chemicals Ltd.                                        |   | UK             |
| Chemetall Taiwan Co., Ltd.                                                 |   | Taiwan         |
| Chemetall TL s.r.l.                                                        |   | Italy          |
| Chemetall Traitement De Surface SAS                                        |   | France         |
| Chemetall-Rai India Ltd.                                                   |   | India          |
| Chemical Spécialités Chimiques S.A.S.                            |   | France         |
| Chemical Specialties, Inc.                                            |   | North Carolina |
| Chemserve Ltd.                                                             |   | UK             |
| ChemStore GmbH                                                             |   | Germany        |
| Chillihurst Limited                                                        |   | United Kingdom |
| Chongqing Chemetall Chemicals Co., Ltd.                                    |   | China          |
| CM Gesellschaft  für Funktions-Additive GmbH                          |   | Germany        |
| CM Services B.V.                                                           |   | Netherlands    |
| CM-Hilfe GmbH Unterstützungskasse                                     |   | Germany        |
| Compugraphics International Limited                                        |   | United Kingdom |
| Compugraphics U.S.A. Inc.                                                  |   | Delaware       |
| Creambay Limited                                                           |   | United Kingdom |
| Creamglade Limited                                                         |   | United Kingdom |
| CSI Kemwood AB                                                             |   | Sweden         |
| CSI Kemwood Oy                                                             |   | Finland        |
| CSI Wood Protection Limited                                                |   | United Kingdom |
| Cyantek Corporation                                                        |   | Delaware       |
| Deutsche  Baryt-Industrie Dr. Rudolf Albert GmbH & Co. KG    |   | Germany        |
| DICON Explosives Company Ltd.                                              |   | Nigeria        |
| DNJV Vermögensverwaltung GmbH                                         |   | Germany        |
| Dynamic Synthesis GmbH                                                     |   | Germany        |
| Dynamit Nobel Chimie Specialisée  Pharmaceutique SAS                  |   | France         |
| Dynamit Nobel GmbH                                                         |   | Germany        |
| Dynamit Nobel  GmbH Explosivstoff-und Systemtechnik                        |   | Germany        |
| Dynamit Nobel Unterstützungsfonds GmbH                                |   | Germany        |
| DynITEC GmbH                                                               |   | Germany        |
| EKOKEMI GmbH                                                               |   | Germany        |
| Electrochemicals Inc.                                                      |   | Delaware       |
| Exsil, Inc.                                                           |   | Delaware       |
| Finorga SAS                                                                |   | France         |
| Foote Chile Holding Company                                                |   | Delaware       |
| Foote Minera a Inversiones Ltda.                                           |   | Chile          |
| Fuyang Golden Autumn Chemicals Company  Limited                            |   | China          |
| Groupe Novasep SAS                                                         |   | France         |
| Guangzhou Huali Sachtleben Chemicals  Company Ltd.                         |   | China          |
| hebro chemie  Anlagen-und Betriebs-GmbH                                    |   | Germany        |
| hebro chemie GmbH                                                          |   | Germany        |

 

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| Industrieservice Ges.mbH                                     |   | Austria        |
|--------------------------------------------------------------|--------|----------------|
| Inorganic Pigments Limited                                   |   | United Kingdom |
| ISiltec  Innovative Silicon Technologies GmbH                |   | Germany        |
| Isiltec Wafer Reclaim GmbH                                   |   | Germany        |
| Isiltec, Inc.                                           |   | Georgia        |
| KENDELL s.r.l.                                               |   | Italy          |
| Knight Chimique de Specialite SAS                            |   | France         |
| Knight Lux 1 Sa.r.l.                                         |   | Luxembourg     |
| Knight Lux 2 Sa.r.l.                                         |   | Luxembourg     |
| Lorraine Aviation Sarl                                       |   | France         |
| LRG Recycling GmbH                                           |   | 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        |
| Nova 1 SAS                                                   |   | France         |
| Novasep Inc.                                                 |   | USA            |
| Novasep KK                                                   |   | Japan          |
| Novasep SAS                                                  |   | France         |
| Novasep Suisse                                               |   | Switzerland    |
| Oakite Canada Ltd.                                           |   | Canada         |
| Oakite Products, Inc.                                   |   | Delaware       |
| Orelis S.A.                                                  |   | France         |
| Petri-DN GmbH Inflator Systems                               |   | Germany        |
| Pigment Chemie GmbH                                          |   | Germany        |
| ProCeram spol. s.r.o.                                        |   | Czech Republic |
| Process Ink Holdings Ltd.                                    |   | UK             |
| Process Inks And Coatings Ltd.                               |   | UK             |
| Rockwood (Ningbo) Chemicals Corporation  Limited             |   | China          |
| Rockwood Absorbents (Baulking) Limited                       |   | United Kingdom |
| Rockwood Additives Limited                                   |   | United Kingdom |
| Rockwood America Inc.                                        |   | Delaware       |
| Rockwood Electrochemicals (Suzhou) Co.,  Ltd.                |   | China          |
| Rockwood Electrochemicals Asia Limited                       |   | Taiwan         |
| Rockwood Electronic Materials Limited                        |   | United Kingdom |
| Rockwood Electronics France SA                               |   | France         |
| Rockwood Industries Spain SL                                 |   | Spain          |
| Rockwood Italia SpA                                          |   | Italy          |
| Rockwood Pigmente Holding GmbH                               |   | Germany        |
| Rockwood Pigments (UK) Limited                               |   | United Kingdom |
| Rockwood Pigments and Trading Pty Ltd.                       |   | Australia      |
| Rockwood Pigments NA, Inc.                              |   | Delaware       |
| Rockwood Specialties (Singapore) Pte  Limited                |   | Singapore      |
| Rockwood Specialties Australia Pty Ltd.                      |   | Australia      |
| Rockwood Specialties Consolidated, Inc.                 |   | Delaware       |
| Rockwood Specialties Group CeramTec GmbH                     |   | Germany        |
| Rockwood Specialties Group Chemetall GmbH                    |   | Germany        |
| Rockwood Specialties Group GmbH                              |   | Germany        |
| Rockwood Specialties Group Hebro GmbH                        |   | Germany        |
| Rockwood Specialties Group Sachtleben GmbH                   |   | Germany        |
| Rockwood Specialties Group, Inc.                        |   | Delaware       |
| Rockwood Specialties Inc.                                    |   | Delaware       |
| Rockwood Specialties International, Inc.                |   | Delaware       |
| Rockwood Specialties Limited                                 |   | United Kingdom |
| Rockwood Vermögensverwaltung GmbH                       |   | Germany        |
| Rohner AG (a)                                                |   | Switzerland    |
| RS Funding Corporation                                       |   | Delaware       |
| RS Receivables III Corporation                               |   | Delaware       |
| RW Holding Corp.                                             |   | Delaware       |

 

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| Sachtleben  Chemie Anlagen-und Betriebs-GmbH           |   | Germany   |
|--------------------------------------------------------|--------|-----------|
| Sachtleben Chemie GmbH                                 |   | Germany   |
| Sachtleben Corporation                                 |   | Delaware  |
| Sales de Magnesio Ltda.                                |   | Chile     |
| Seripharm SAS                                          |   | France    |
| SERTO  Beteiligungs GmbH & Co. Vermietungs KG |   | Germany   |
| Shanghai CeramTec Co., Ltd.                            |   | China     |
| Shanghai Chemetall Chemicals Co., Ltd.                 |   | China     |
| Silo Pigmente GmbH                                     |   | Germany   |
| SMC Foundry Products Ltd.                              |   | UK        |
| Sociedad Chilena de Litio Ltda.                        |   | Chile     |
| Southern Clay Products, Inc.                      |   | Texas     |
| Southern Color N.A., Inc.                         |   | Delaware  |
| SureChem Industries Pty Ltd.                           |   | Australia |
| Suzhou CeramTec High-Tec Ceramics Co., Ltd.            |   | China     |
| The Brent Manufacturing Company Ltd.                   |   | UK        |
| Troisdorf Genehmigungshaltergesellschaft  mbH          |   | Germany   |
| Winnets Inks Ltd.                                      |   | UK        |
| Würgendorf Gehemigungshaltergesellschaft  mbH     |   | Germany   |

 

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(a) In March 2006,the Company sold Rohner AG.

 

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