Magnesium sulfate anhydrous
Drug ingredientCAS 7487-88-9
This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Top sourceNo public record
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
EPA-registered manufacturers (6)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Tessenderlo Group Nv/Sa · BE Belgium
Advanced Micronutrient Products
Cameron Chemical
Cameron Chemicals
Southern Ionics
Show all 6
Tessenderlo Kerley
Domestic parents -- activity not disclosed (5)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Colgate-Palmolive
Global Chemical Resources
Icl Specialty Products North America
Pq
Wintersun International
EPA-registered importers (20)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Biobest Group Nv · BE Belgium
Master Plant-Prod · CA Canada
Mitsubishi Chemical Group · JP Japan
Sociedad Quimica Y Minera S A · CL Chile
Sojitz · JP Japan
Show all 20
United Initiators Gmbh · DE Germany
Avantor
Haifa North America
Ineos Styrolution America
Livingston International
Mitsubishi Chemical America
Plant Products Holdings Usa
Sojitz Corporation Of America
Solenis
Sqm North America
Thatcher
United Initiators
Valagro/Syngenta Biologicals
Valudor Products
Wego Chemical Group
9 FDA-registered drug labelers
Avantor Performance Materials International, LLC
Azurity Pharmaceuticals, Inc.
Bionpharma Inc.,
Braintree Laboratories, Inc.
Jost Chemical Co.
Lupin Pharmaceuticals, Inc.
Maithri Drugs Private Limited
Novel Laboratories, Inc.
Renu Laboratories, LLC
Why It Matters
Sectors
HealthAgricultureFoodWaterTransportationMetals & MiningPlastics & RubberConsumer ProductsPaper & PrintingCore Chemicals
Downstream Uses
Appears in 5 drug and cosmetic product listings (FDA).
- •Sodium Sulfate, Potassium Sulfate, Magnesium Sulfate
- •Mars Wellness Mg PLUS Pain Cream
- •Sutab
- •sodium sulfate, potassium sulfate, and magnesium sulfate
- •Mars Wellness Mg PLUS Plus Hemp Pain Cream
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 12 sectors as 9 functional roles.
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (70%)Use—non-incorporative activities
- •Reducing agent in Paper Manufacturing (0%)Use—non-incorporative activities
- •Chelating agent in Paper Manufacturing (80%)Processing as a reactant
- •Soil amendments (fertilizers) in Pharmaceutical and Medicine Manufacturing (80%)Processing as a reactant
- •Reducing agent in Carbon Black Manufacturing (0%)Processing as a reactant
- •Laboratory chemicals in Wholesale and Retail TradeProcessing—repackaging
- •pH regulating agent in Food, beverage, and tobacco product manufacturing (0%)Use—non-incorporative activities
- •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—repackaging
- •CBI in CBICBI
- •Dehydrating agent (desiccant) in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Plasticizer in Plastics Product Manufacturing (100%)Processing as a reactant
- •Solids separation (precipitating) agent, not otherwise specified in Plastics Material and Resin Manufacturing (34%)Processing—repackaging
- •Solids separation (precipitating) agent, not otherwise specified in Custom Compounding of Purchased Resins (19%)Processing—incorporation into article
- •Solids separation (precipitating) agent, not otherwise specified in Plastics Product Manufacturing (47%)Processing—incorporation into article
Chemical Identity
CAS7487-88-9
PubChem CID24083
DTXSIDDTXSID6042105
FormulaMgO4S
Mol. Weight120.37 g/mol
SMILES[O-]S(=O)(=O)[O-].[Mg+2]
Data Sources
- EPA CompTox (DSSTox) · DTXSID6042105Retrieved 2026-04-06
- PubChem · compound 24083Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Magnesium sulfate anhydrous (CAS 7487-88-9) https://chemicalindependence.com/chemical/7487-88-9/ EPA CompTox (DSSTox): DTXSID6042105. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6042105 PubChem: 24083. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24083 EPA Chemical Data Reporting: 7487-88-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7487-88-9. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/