UNSPSC 51241305: Tannic acid

This classification denotes a polyphenol and industrial aid, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 28F9E0DJY6. European Medicines Agency schedules Tannic acid in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB15451MIG. Tannic acid generally arises in the molecular formula C76H52O46. The term 'tannic acid' is a European Pharmacopoeia designation. As of Q4 2014, TANNIC ACID remains the US FDA Preferred Term for this commodity.

Tannic acid bears US NLM identifiers UMLS ID C0039294 and NCI Concept Code C66579. SMILES: C1=C(C=C(C(=C1O)O)O)C(=O)OC2=CC(=CC(=C2O)O)C(=O)OCC3C(C(C(C(O3)OC(=O)C4=CC(=C(C(=C4)OC(=O)C5=CC(=C(C(=C5)O)O)O)O)O)OC(=O)C6=CC(=C(C(=C6)OC(=O)C7=CC(=C(C(=C7)O)O)O)O)O)OC(=O)C8=CC(=C(C(=C8)OC(=O)C9=CC(=C(C(=C9)O)O)O)O)O)OC(=O)C1=CC(=C(C(=C1)OC(=O)C1=CC(=C(C(=C1)O)O)O)O)O.

UNSPSC 51241305 Tannic acid is a Commodity code that in recent state and local activity encompasses laboratory chemicals and reagents used in water treatment, pharmaceutical and forensic analysis, and diagnostic testing. State and local governments are procuring tannic acid and related chemical compounds primarily through municipal water utilities, state forensic and public health laboratories, and university procurement operations. The buying mix spans city water departments (City of Meriden, City of Tampa), county sheriffs' offices and forensic operations (Harris County, District of Columbia Department of Forensic Sciences), state agencies (State of California), and higher-education institutions (Texas A&M University). Water utilities account for a significant volume of recent activity, with procurement focused on treatment chemicals meeting NSF and AWWA standards and Build America Buy America Act compliance.

Recent opportunities show concentrated activity in Texas, California, Florida, Connecticut, and the District of Columbia. Texas A&M University issued ITB TAMU-ITB-26-5055 for precipitant solutions with bids due July 15, 2026. The City of Meriden, Connecticut solicited water treatment chemicals including caustic soda, aluminum sulfate, sodium permanganate, and sodium fluoride under ITB B026-55, due June 25, 2026, with a one-year contract term from July 1, 2026 through June 30, 2027 and provision for two additional one-year renewals; all pricing was required on a per-unit basis with delivery within five business days and incumbent status as the primary tiebreaker under Connecticut vendor preference. Harris County, Texas issued ITB 250415 for crime scene supplies including forensic chemicals and evidence collection items, due June 8, 2026, for a one-year contract beginning approximately June 1, 2026, with the option of four additional one-year renewals. The State of California posted RFB 26200957-1 for brand-name Sigma-Aldrich and Cerilliant forensic and laboratory reagents due June 2, 2026, with mandatory CBE Form submission for set-aside eligibility. The District of Columbia and City of Tampa also posted related laboratory consumables and water-quality testing solicitations. Response windows are typically one to four weeks, with pricing submitted on a per-unit or per-gallon basis and delivery required within five to forty-five business days of order placement.