UNSPSC 51171629: Sodium sulfate

This classification denotes an electrolyte replacement agent, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 0YPR65R21J. European Medicines Agency schedules Sodium sulfate in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB15325MIG. Sodium sulfate generally arises in the molecular formula NA2O4S. The term 'sodium sulfate' is a United States Homeopathic Pharmacopoeia Name designation. As of Q4 2014, SODIUM SULFATE remains the US FDA Preferred Term for this commodity.

Sodium sulfate bears US NLM identifiers UMLS ID C0074769 and NCI Concept Code C47727. SMILES: S(=O)(=O)(O)O.

UNSPSC 51171629 Sodium sulfate (Commodity) appears in state and local procurement primarily as a component of water treatment and laboratory testing chemical packages rather than as a standalone line-item purchase. Recent activity shows state and local governments buying sodium sulfate bundled within broader chemical supply contracts for municipal water systems, university research operations, and forensic laboratories. The issuing bodies span municipal utilities departments, university procurement offices, state health and forensic agencies, and county sheriff's offices. Water treatment represents the dominant application, where sodium sulfate typically appears as one ingredient among multiple treatment chemicals (caustic soda, aluminum sulfate, sodium permanganate, sodium fluoride, and calcium hypochlorite) procured on annual unit-price contracts with delivery requirements and NSF or AWWA certification mandates.

Recent opportunities cluster in Texas, California, Connecticut, Florida, and the District of Columbia. The City of Meriden, Connecticut issued ITB B026-55 for water treatment chemicals due June 25, 2026, specifying seven line items including sodium permanganate (3,000 gallons in 275-gallon totes) with Build America Buy America Act compliance and NSF certification required; pricing is bid on a per-unit basis with all delivery costs included, delivery within five business days, one-year contract term through June 30, 2027, and award to the lowest responsible bidder with Connecticut vendor preference as a tiebreaker. Texas A&M University posted ITB TAMU-ITB-26-5055 for precipitant solutions due July 15, 2026, submitted through the AggieBid platform. Harris County, Texas issued ITB 250415 for crime scene supplies and related forensic items due June 8, 2026, including various chemicals such as petroleum ether and detergents for evidence collection. The State of California and District of Columbia have posted multiple solicitations for laboratory consumables and specialized reagents, though most do not isolate sodium sulfate as a named commodity. Sodium sulfate procurement activity remains episodic and bundled; standalone RFPs or RFQs naming sodium sulfate alone do not appear in recent postings.