About us
Tártaros Gonzalo Castelló. Manufacturing natural tartaric acid salts since 1907. Distributed in more than 50 countries.  Tradition linked to technology.

About us

More than 100 years of existence stand behind the activity of this company, which was established in 1907. Throughout its history, the steady growth and strong international expansion of Tártaros Gonzalo Castelló have made the company an international leader and standard-setter in the manufacturing and sale of natural tartaric acid salts and esters. Read more about our company.


Our philosophy of always healthy has led us to launch a new line of natural products to the market.


Various sweetener formulations and granule sizes.

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We are quality

All of our products are of exceptional quality and comply with the strictest US and international Pharmacopoeia requirements.
Tártaros Gonzalo Castelló S.L. has been assessed and certified as meeting the requirements of ISO 22000:2005 by SGS. It is also Kosher certified.


Spain, Alicante

Tártaros Gonzalo Castello, SL
Concepción Arenal, 32 03660 Novelda (Alicante)
Phone: +34 96 560 24 89 / +34 96 560 63 50
Fax: +34 96 560 64 91
Email: tartaric@tartaric.com

USA, New York

1890 Palmer Avenue, Suite 403B Larchmont, NY 10538
Phone: (914) 834-4151
Fax: (914) 834-3761
Email: info@gcchemicals.com www.gcchemicals.com

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