Chlorine, Caustic Soda, and Related Specialties
Industria Química del Istmo, S.A. de C.V. (IQUISA)
Iquisa Santa Clara, S.A. de C.V.
Iquisa Noreste, S.A. de C.V.
CHLORINE, CAUSTIC SODA AND RELATED SPECIALTIES is the registered trademark of Industria Química del Istmo (IQUISA), a company that, through its five plants across Mexico, produces chlorine, caustic soda and specialty chemicals for a wide range of industries, including paper, textile, plastics, pigments and coatings, soaps and detergents, cleaning products, water treatment, steel pickling, mining, food processing, oil drilling and petroleum, among others.
Products are available in different presentations depending on customer requirements. Chlorine is supplied in bulk liquid form by rail tank cars, isotainers, cylinders and containers.
Caustic soda, in rayon and membrane grades, is available in bulk liquid form by tank trucks, as well as in solid flake and granular forms.
Sodium hypochlorite is produced with high quality and purity standards, with specifications tailored to the requirements of the bleaching and water treatment industries. The quality of this product is supported by specialized technology and manufacturing processes.
Likewise, synthetic hydrochloric acid is characterized by its high purity and is also available in bulk quantities.
Products

Chlorine, liquid and gaseous; caustic soda, liquid and solid (membrane grade and rayon grade); chlorine in cylinders; sodium hypochlorite; caustic potash; synthetic hydrochloric acid and muriatic acid.
Markets

Domestic and Export, primarily to Central America.
Applications

Chemicals and petrochemical industries, water treatment, oil, cellulose, paper, pesticides, bleaches, soaps and detergents, bottling, mining and metal extraction, plastics, pigments and paints.
Awards and Certifications
- Mexican National Quality Award 1998, North America’s Shingo Prize for Excellence in Manufacturing 1998 (Coatzacoalcos Plant) and 2002 (Monterrey and Tlaxcala Plants)
- ISO-9001-2008 Certification (Coatzacoalcos, Monterrey, Santa Clara, Tlaxcala and Hermosillo Plants) and ISO-14001-2004 Certification (Coatzacoalcos, Monterrey, Santa Clara, Tlaxcala and Hermosillo Plants)
- Safety Excellence Award granted by the Chlorine Institute both in Process and Personnel (Coatzacoalcos, Monterrey, Santa Clara, Tlaxcala and Hermosillo Plants)
- US National Sanitation Foundation Certification (Coatzacoalcos, Monterrey, Santa Clara, Tlaxcala and Hermosillo Plants)
- Integral Responsibility Certification (Coatzacoalcos, Monterrey, Santa Clara, Tlaxcala and Hermosillo Plants) granted by the Mexican National Association of the Chemical Industry (ANIQ)
- Clean Industry Certificate granted by the Mexican Federal Environmental Protection Agency (PROFEPA)

Locations
MONTERREY OFFICE
Ave. Ruiz Cortines 2333 Pte. Col. Pedro Lozano Monterrey, Nuevo León 64400
Tel. (81) 8158-2775 Tel. (81) 8158-2709
NORESTE PLANT
Puerto Durazno, Lote 1 Col. Parque Industrial K.M. 5.4 Carretera Santa Catarina – García García, Nuevo León 66000
Tel. (81) 8158-2323
COATZACOALCOS PLANT
Complejo Industrial Pajaritos
Coatzacoalcos, Veracruz 96400
Tel. (921) 211-3410
TLAXCALA PLANT
Carretera Apizaco-Huamantla Km. 128
San Cosme Xalostoc, Tlaxcala 90460
Tel. (241) 418-4700
MEXICO CITY OFFICE
Ave. Insurgentes Sur #800, Piso 20 Col. Del Valle, Delegación Benito Juárez,
Ciudad de México. 03100
Tel. (55) 5340-1800
SANTA CLARA PLANT
Kilómetro 16.5, Antigua Carretera México-Laredo
Col. Santa Clara Coatitla
Ecatepec de Morelos
Estado de México 55540
Tel. (55) 5699-2462
HERMOSILLO PLANT
Calle del Plomo 45, Parque Industrial
Hermosillo, Sonora 83299
Tel. (662) 251-1024