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Sulfuric acid, calcium salt

Drug ingredient

CAS 7778-18-9

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 7778-18-9
1 Ca²⁺
US productionCBI
Import value, 2024$145M
Top sourceSpain 40%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production 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 252010 · exact

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
Source Countries
ES 40%SpainCA 29%CanadaMX 28%MexicoMA 2%MoroccoTR 1%Turkey
EPA-registered manufacturers (11)
Advanced Micronutrient Products
Alcoa
Archer Daniels Midland
Dupont Specialty Products Usa
Golden Valley Electric Association
Show all 11
Longview Power
Nyrstar
Pyrotek
Rio Tinto America Holdings
Stillwater Mining
The Mosaic
Domestic parents -- activity not disclosed (7)
Chemours
Colas
Halliburton Energy Service
Honeywell International (123312)
Koch Industries
Show all 7
Syngenta Crop Protection
Tessenderlo Kerley
EPA-registered importers (21)
Basf Se · DE Germany
Heidelberg Materials Ag · DE Germany
Master Plant-Prod · CA Canada
Sika Ag · CH Switzerland
3M
Show all 21
Basf
Denka
Dentsply North America
Greenchem Industries
Haifa North America
Hallmark Cards
Heidelberg Materials Us
Hilti
Lanxess
Livingston International
Quadra Chemicals
Schlumberger
Sika
St. Marys Cement U.S
Target
Uzin Utz North America

Why It Matters

Sectors
HealthAgricultureFoodEnergyConstructionMetals & MiningPaints & CoatingsCore Chemicals
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Bestmade Natural Products Bio18
  • •Bestmade Natural Products Bio20
  • •Bestmade Natural Products Calc Sulph
  • •Respo-K
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 14 sectors as 14 functional roles.

  • •Binder in All Other Chemical Product and Preparation Manufacturing (100%)Processing—repackaging
  • •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingNot Known or Reasonably Ascertainable
  • •Solids separation (precipitating) agent, not otherwise specified in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Use—non-incorporative activities
  • •Catalyst in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing as a reactant
  • •Leaching agent in Mining (except Oil and Gas) and support activities (100%)Processing as a reactant
  • •Filler in Construction (20%)Processing—repackaging
  • •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (60%)Processing—repackaging
  • •Sealant (barrier) in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Hardener in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Use—non-incorporative activities
  • •Filler in Mining (except Oil and Gas) and support activities (100%)Processing—repackaging
  • •Intermediate in All Other Basic Inorganic Chemical ManufacturingProcessing as a reactant
  • •Filler in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product
  • •Dehydrating agent (desiccant) in All Other Basic Organic Chemical Manufacturing (0%)Use—non-incorporative activities
  • •Leaching agent in Oil and Gas Drilling, Extraction, and Support activities (0%)Processing—incorporation into formulation, mixture, or reaction product
  • •Binder in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Fabricated Metal Product ManufacturingUse—non-incorporative activities
  • •Flavoring and nutrient in Food, beverage, and tobacco product manufacturing (100%)Processing as a reactant
  • •Binder in Other (0%)Processing—incorporation into formulation, mixture, or reaction product
  • •Lubricating agent in Petroleum Lubricating Oil and Grease ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Dispersing agent in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7778-18-9
PubChem CID24497
DTXSIDDTXSID9029699
FormulaCaO4S
Mol. Weight136.14 g/mol
SMILES[O-]S(=O)(=O)[O-].[Ca+2]

Data Sources

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Brief citations

Sulfuric acid, calcium salt (CAS 7778-18-9) https://chemicalindependence.com/chemical/7778-18-9/ EPA CompTox (DSSTox): DTXSID9029699. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9029699 PubChem: 24497. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24497 EPA Chemical Data Reporting: 7778-18-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7778-18-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 252010 for CAS 7778-18-9. Reporting year: 2024. https://usatrade.census.gov/