magnesium sulfate heptahydrate
Drug ingredientCAS 10034-99-8
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.
Import value, 2024$15M
Top sourceChina 28%
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
Customs basis: HS 283321 · narrow
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
HS 283321 covers only magnesium sulfate heptahydrate, so these shares are magnesium sulfate heptahydrate's own.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CN 28%ChinaJP 24%JapanDE 21%GermanyMX 9%MexicoIN 7%India
- Canada
- Turkey
- Netherlands
- Switzerland
- Israel
- Taiwan
- Singapore
- Dominican Republic
Domestic parents -- activity not disclosed (4)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Brenntag
Chemical Distribution Network
Polyventive
Solenis
EPA-registered importers (4)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Acs Chemical
Ineos Styrolution America
Upl Na
Wilbur-Ellis Holdings Ii
71 FDA-registered drug labelers
Amazon.com Services LLC
AmerisourceBergen (Good Neighbor Pharmacy) 46122
Amneal Pharmaceuticals LLC
Apex Energetics Inc.
Athenex Pharmaceutical Division, LLC.
AVADIM HOLDINGS, INC
Avantor Performance Materials International, LLC
Avantor Performance Materials, LLC
Avenacy, LLC
B. Braun Medical Inc.
Baxter Healthcare Corporation
Bestmade Natural Products
Big Lots
BioActive Nutritional, Inc.
Boiron
Camber Pharmaceuticals, Inc.
Cardinal Health, 110 dba Leader
Chain Drug Marketing Association
Civica, Inc.
CVS Health
CVS PHARMACY
CVS Pharmacy, Inc.
Deseret Biologicals, Inc
Discount Drug Mart
DNA Labs, Inc.
Fresenius Kabi USA, LLC
Gland Pharma Limited
Grocery Outlet, Inc.
Hahnemann Laboratories, INC.
HARRIS TEETER
Henry Schein, Inc.
HF Acquisition Co LLC, DBA HealthFirst
Hospira, Inc.
Humco Holding Group, Inc.
Hy-Vee, Inc.
International Wholesale Inc.
J C SALES
Jell Pharmaceuticals Pvt. Ltd.
Jost Chemical Co.
Kadesh Incoporation Co,Ltd
Macco Organiques, S.R.O.
Medical Purchasing Solutions, LLC
Meijer, Inc.
Menper Distributors, Inc
NEW PRIDE CORP
Nucleic Products, LLC
Old East Main Co.
PEKANA Naturheilmittel GmbH
Pharmadel LLC
Premier Magnesia LLC
Professional Compounding Centers of America
ProPharma Distribution
Publix Super Markets, Inc.
PureTek Corporation
REMEDYREPACK INC.
Retail Business Services, LLC
Safeway Inc
Sagent Pharmaceuticals
Sun Pharmaceutical Industries, Inc.
Target Corporation
Topco Associates LLC
TRP Company
United Natural Foods, Inc. dba UNFI
Valu Merchandisers Company
Vi-Jon, LLC
Walgreen Co.
Walgreens
Walmart, inc
WG Critical Care, LLC
Whole Foods Market, Inc.
Your Military Exchanges
Why It Matters
Sectors
HealthAgricultureFoodPlastics & RubberCore Chemicals
Downstream Uses
Appears in 38 drug and cosmetic product listings (FDA).
- •NuValu Epsom Salt
- •Mineffect facial skin protectant and acne treatment solution
- •Magnesium Sulfate in Water
- •Epsom Salt
- •Magnesium Sulfate
- •Magnesia Sulphurica
- •Kelan
- •Kabiven
Show all 38
- •MEB Gluco-Vitality Patch
- •MEB Puri-Mega
- •Natural Relief Diarrhea Relief
- •Epsom Salts
- •Cardioforce II
- •CVS muscle relief
- •Magnesium Sulfate in Dextrose
- •HerX
- •Magnesium Sulfate in 5% Dextrose
- •Humco Epson Salt
- •Mineffect skin protectant
- •Glyreg
- •TIS-U-SOL
- •MEB Puri-vega
- •50% Magnesium Sulfate
- •Sal Inglesa Epsom SALT
- •Theraworx Relief Muscle Cramp and Spasm Relief
- •Theraworx Relief
- •Gallcill
- •Phuel
- •N02 Petrochem
- •Bestmade Natural Products BM160
- •Rapidol Sal Inglesa
- •Dexatran
- •Perikabiven
- •Equate Muscle Cramp and Spasm Relief
- •365 Whole Foods Market Epsom Salt
- •Cardiacforce
- •D-92
- •B05 Gluco Balance
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 5 sectors as 3 functional roles.
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Emulsifier in Food, beverage, and tobacco product manufacturing (100%)Use—non-incorporative activities
- •Flocculating agent in Plastics Material and Resin Manufacturing (58%)Processing—repackaging
- •Flocculating agent in Plastics Product Manufacturing (27%)Processing—incorporation into article
- •Flocculating agent in Custom Compounding of Purchased Resins (16%)Processing—incorporation into article
Chemical Identity
CAS10034-99-8
PubChem CID24843
DTXSIDDTXSID5040544
FormulaH14MgO11S
Mol. Weight246.48 g/mol
SMILESO.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Mg+2]
Data Sources
- PubChem · compound 24843Retrieved 2026-04-07
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
magnesium sulfate heptahydrate (CAS 10034-99-8) https://chemicalindependence.com/chemical/10034-99-8/ PubChem: 24843. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/24843 EPA Chemical Data Reporting: 10034-99-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 283321 for CAS 10034-99-8. Reporting year: 2024. https://usatrade.census.gov/