Phosphoric acid
Drug ingredientCAS 7664-38-2
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$309M
Top sourceMexico 48%
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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 280920 · narrow
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 280920, which covers 2 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
MX 48%MexicoBE 29%BelgiumMA 8%MoroccoIL 6%IsraelCN 3%China
- South Korea
- Switzerland
- Italy
- India
- Brazil
- Germany
- Malaysia
- Greece
- Sweden
- Serbia
- United Kingdom
- Austria
- South Africa
- Turkey
- Spain
- Czech Republic
EPA-registered manufacturers (13)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Nutrien · CA Canada
Toyota Tsusho · JP Japan
Basf
Deepwater Chemicals
Show all 13
Dynachem
Innophos Incorporated
J.R. Simplot
Macdermid
Minerals Technologies
Nutrien Us Top
The Mosaic
Tri-Chem Industries
Domestic parents -- activity not disclosed (13)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Brenntag
Cellmark Basic Materials
Flint Cps Inks North America
George S. Coyne Chemical
Icl Specialty Products North America
Show all 13
Koch Industries
Norman, Fox &
Plant Products Holdings Usa
Polyventive
Starchem Usa
Thatcher
W. R. Grace & Co. - Conn.
Wego Chemical Group
EPA-registered importers (45)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Asia Union Electronic Chemical · TW Taiwan
Brenntag · DE Germany
Cci Holding · JP Japan
Clariant International · CH Switzerland
Eurochem Group Ag · CH Switzerland
Show all 45
Fujifilm Holding Japan · JP Japan
Heubach Holdings Sarl · LU Luxembourg
Pos · KR South Korea
Sumitomo Chemical · JP Japan
Syensqo Sa · BE Belgium
Ambyth Chemical
Asia Union Electronic Chemicals - Reno
Avantor
Brenntag Global Marketing
Cascade Columbia
Cci Manufacturing Il
Chemical Distribution Network
Clariant
Colonial Group
Entegris
Eurochem North America
Fang Chemicals
Fujifilm Holdings America
Haifa North America
Harcros Chemicals
Hct
Helm America
Henkel
Honeywell International (123312)
Industrial Chemicals
Kanto
Posco Aapc
Prayon
Quaker Houghton
Samsung Austin Semiconductor
Silver Fern Chemical
Solenis
Solvay
Special Materials
Sumitomo Chemical Advanced Technologies
The Sherwin Williams
Valagro/Syngenta Biologicals
Valudor Products
Wilbur-Ellis Holdings Ii
Wintersun International
67 FDA-registered drug labelers
AMERISOURCE BERGEN
Apex Energetics Inc.
Apotheca Company
B'OKCARES LTD
BEST CHOICE (VALU MERCHANDISERS COMPANY)
Bestmade Natural Products
BioActive Nutritional
BioActive Nutritional, Inc
BM Private Limited
Boiron
Cardinal Health
CVS PHARMACY
Deseret Biologicals, Inc.
DISCOUNT DRUG MART
DNA Labs, Inc.
Dr. Donna Restivo DC
Dr. Masood Homeopathic Pharmaceuticals Private Limited
Eight and Company L.L.C
Energetix Corp
Energetix Corporation
Energique, Inc.
Guangzhou Renuma Medical Systems Co., Ltd
Guna spa
Hahnemann Laboratories, INC.
HEB
Herbamed AG
HISTORICAL REMEDIES LLP.
Homeocare Laboratories
HomeoCare Laboratories, Inc.
King Bio Inc.
KROGER COMPANY
Liddell Laboratories, Inc.
Maximum Results Solution, Inc.
MediNatura Inc
MEIJER DISTRIBUTION, INC.
Natural Creations, Inc
Nature's Innovation
Nature's Innovation, Inc.
NET Remedies
Newton Laboratories, Inc.
Nucleic Products, LLC
Nutritional Specialties, Inc.
OHM PHARMA INC.
PEKANA Naturheilmittel GmbH
PHARMACY VALUE ALLIANCE, LLC
ProBLEN
Professional Complementary Health Formulas
QUALITY CHOICE (CHAIN DRUG MARKETING ASSOCIATION)
Ratis, LLC
RUGBY LABORATORIES
Rxhomeo Private Limited d.b.a. Rxhomeo, Inc
Safe Anabolic Sciences
SanUp
Seroyal USA
Siddha Flower Essences LLC
Supplement Clinic, LLC.
The Magni Company
TOPCO ASSOCIATES LLC
TRP Company
Uriel Pharmacy Inc
Vitality Works, Inc.
WALGREENS CO.
Washington Homeopathic Products
WellSpring Pharmaceutical Corporation
WHITE MANUFACTURING INC. DBA MICRO WEST
Zorex
Zorex International
Why It Matters
Sectors
HealthAgricultureFoodEnergyWaterElectronicsTransportationConstructionMetals & MiningTextilesConsumer ProductsPaints & CoatingsPaper & PrintingCore Chemicals
Downstream Uses
Appears in 227 drug and cosmetic product listings (FDA).
- •Vitmin C
- •BM Phosphoric Acid
- •Phosphoricum Acidum
- •Chronic Fatigue Therapy
- •Acidum Phosphoricum
- •Dynamic Brain
- •Adrenal Support
- •Glucoreg
Show all 227
- •FNG
- •Adrenoplex
- •Orchiforce
- •Prostatone
- •V HP
- •Adrenapar
- •Terrestristat
- •Chemstat
- •H7 Complex
- •Homeopathic Stress Mints
- •D-40
- •N-12
- •PSY-stabil
- •Pancreas DB Liquescence 3037
- •F20 Vtlty
- •G16 Electro-MET
- •Anti Nausea Liquid Cherry Flavor
- •Tox-Chord
- •Aller-Chord F
- •Emetrol Cherry
- •Viral HP
- •Bestmade Natural Products Hair Support
- •Bestmade Natural Products Restful Legs Support
- •DNA Pancreas Formula
- •Naturasil Cherry Angiomas
- •Natural Relief Diarrhea Relief
- •Mood
- •Grief
- •PTS/Stress Remedy
- •FNG II
- •Chemtox
- •Drainage
- •Tobaccostat
- •Bone Support HP
- •Prime
- •Snore Control
- •N-27
- •JUVE-CAL
- •Body Balance
- •Water
- •CAND-EX
- •Insecticides/Pest/Food Additives Detox
- •RET Pituitary/Sex 7012
- •Emetrol Children Mixed Berry
- •encer
- •Bestmade Natural Products BM10
- •Phosphoric ACID
- •Weight Management HP
- •Petrochemical Detox
- •Libido
- •Libidopro
- •Additox
- •V Force HP
- •Glucoseforce HP
- •FNG I
- •Endopan HP
- •Aurum Hypericum
- •HGH Complex
- •Vital Male Sexual Energy
- •Vital Female Sexual Energy
- •Hair-Scalp
- •Homeopathic Calm Drops
- •Focus, Comprehension and Learning
- •D-15
- •Glucose Drops 2031
- •Stress Tonic 2998
- •Best Choice Anti Nausea Cherry Flavor
- •Thyro-Chord
- •Dental-Chord
- •OHM Fatigue Relief
- •Acne Relief
- •Premier Value Nausea Control Cherry Flavor
- •Anti Nausea
- •Bestmade Natural Products BM118
- •Bestmade Natural Products BM142
- •Bestmade Natural Products Phos Acid
- •Pancreas Liquescence
- •HEB Anti Nausea
- •Pain and Fatigue Relief
- •Fibromyalgia Support
- •Addiclenz
- •Adrenal and DHEA
- •Pneumotox
- •Diathesis IV
- •Radiation
- •Pancreapar
- •EMF
- •Vigoril for Men
- •Passiflora Plex
- •DNA Insulin Drops 2019
- •Adrenapath
- •OHM Tonic Syrup
- •Walgreen Anti Nausea Cherry Flavor
- •Enviroclenz
- •Immuno Fortifier
- •Adaptagen
- •Pancreaplex
- •Anpituapar
- •Additivestat
- •Good Neighbor Anti Nausea Cherry Flavor
- •Prime of Life
- •D-4
- •D-120
- •Hyperhidrosis Drops 2144
- •OHM-DAM
- •grief and loss
- •Quality Choice Anti-Nausea
- •Candida HP
- •Gastrozen
- •Hepatatox
- •Spleenpar
- •Industristat
- •Jet Lag
- •Vital Skin Hair Nails
- •Good Mood Enhancer
- •Brain Power
- •Rejuvenation Plus
- •Woman Power
- •Total Andro BAL
- •Endotoxin Terrain Drops 2143
- •E08 Bioclock Regulator
- •F07 LVJY
- •Energy Formula
- •OHM Pancreas Aid
- •CVS Anti Nausea Cherry Flavor
- •Glucose Control T015
- •Virex
- •Bestmade Natural Products BM187
- •SYZ Cephalandra
- •Naturasil Acne
- •Vitality Female
- •Stress / Fatigue
- •Aspartame/MSG Detox
- •TestoPRO
- •Osteoforce
- •Pancreaforce
- •Bio Chem Detox
- •Lipotox
- •Adrenal Homeopathic
- •Multi-Strain Candida Relief
- •N-26
- •Hair and Nail Tonic
- •Yin-Yang Balance
- •Fire
- •Vertigo Syncope Drops 2115
- •Dementia Drops 2117
- •Selenium Combination 9245
- •B02 Adrenal PEP
- •Joette Calabrese Survivalist Kit
- •Walgreen Children ANTI Nausea
- •energy and motivation
- •Candida
- •Bestmade Natural Products BM105
- •Bestmade Natural Products BM164
- •Bestmade Natural Products BM185
- •GUNA-MOOD
- •Panacode
- •Pericardium Triple Warmer Meridian Opener
- •Thyroplus
- •Industrotox
- •Diathesis V 2
- •Postpituapar
- •Endopar
- •Erogetone
- •Stress-Tension
- •D-41
- •Pineal/Pituitary/Hypothalamus Drops 5022
- •Sepia Combination 9246
- •B13 CELL SALT Complex
- •F15 MND-MMRY
- •Adaptopath
- •RPT-Sys
- •Cal-5-Revive
- •Homeoplex D
- •Apnetem
- •Bestmade Natural Products BM33
- •Virility Liquescence
- •Anti Nausea Liquid
- •Meijer Anti Nausea
- •Silicea Complex II
- •Thymoplex
- •CV TOX
- •Spleenex VH
- •Discount Drug Mart nausea control Cherry Flavor
- •Homeopathic Pick Up Drops
- •Hair-X Hair Loss Relief
- •HPNP
- •Beautox 6007
- •Adrenal-Tone
- •Agri-Chord
- •Peacefuli
- •Homeoplex A
- •Stress II
- •Bestmade Natural Products Testosterone Support
- •Naturasil Bite Relief
- •Kroger Anti Nausea Cherry Flavor
- •Adrenal Tonic
- •Food Additives
- •Energizer
- •Somineze
- •Thyroplex
- •Envirotox
- •Elimitone
- •Libidotone
- •G7 Flex
- •Vital Brain Energy
- •911 Adrenal Burnout and Fatigue
- •D-26
- •N-11
- •AM-14
- •OSS-regen
- •BHI Migraine
- •A01 Cellular Recharge
- •B05 Gluco Balance
- •B06 Stress Resistance
- •Thyropath
- •Damiana Complex
- •Spleen-Pro T018
- •Phosphoricum Acidum Kit Refill
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 30 sectors as 32 functional roles.
- •Semiconductor and photovoltaic agent in Computer and Electronic Product Manufacturing (100%)Use—non-incorporative activities
- •Swelling agent in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingNot Known or Reasonably Ascertainable
- •Cleaning agent in OtherProcessing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Printing and Related Support ActivitiesProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Printing Ink ManufacturingProcessing—repackaging
- •pH regulating agent in Food, beverage, and tobacco product manufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (50%)Processing as a reactant
- •Etching agent in Computer and Electronic Product Manufacturing (50%)Processing as a reactant
- •Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
- •pH regulating agent in All Other Basic Inorganic Chemical Manufacturing (10%)Processing as a reactant
- •Cleaning agent in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Computer and Electronic Product ManufacturingProcessing—repackaging
- •Polymerization promoter in ConstructionProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Paper ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Flavoring and nutrient in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Flame retardant in Wood Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Petrochemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Oxidizing agent in Fabricated Metal Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Paper ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Fabricated Metal Product Manufacturing (62%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Electrical Equipment, Appliance, and Component Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Machinery Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Transportation Equipment Manufacturing (37%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Computer and Electronic Product Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Machinery Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Electrical Equipment, Appliance, and Component Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Fabricated Metal Product Manufacturing (62%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Transportation Equipment Manufacturing (37%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Computer and Electronic Product Manufacturing (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
- •Intermediate in Food, beverage, and tobacco product manufacturing (3%)Processing as a reactant
- •Plating agent in Fabricated Metal Product Manufacturing (1%)Use—non-incorporative activities
- •Drier in Computer and Electronic Product Manufacturing (100%)Processing as a reactant
- •pH regulating agent in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (75%)Processing—incorporation into formulation, mixture, or reaction product
- •Laboratory chemicals in All Other Chemical Product and Preparation Manufacturing (60%)Processing as a reactant
- •pH regulating agent in Furniture and Related Product ManufacturingProcessing—incorporation into article
- •pH regulating agent in Wood Product ManufacturingProcessing—incorporation into article
- •pH regulating agent in Miscellaneous ManufacturingProcessing—incorporation into article
- •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
- •Surface modifier in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Construction (100%)Processing as a reactant
- •Plating agent in Computer and Electronic Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Plating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Abrasives in Wholesale and Retail Trade (100%)Processing—repackaging
- •Anti-static agent in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Laboratory chemicals in Pharmaceutical and Medicine Manufacturing (100%)Processing as a reactant
- •Dye in Printing and Related Support Activities (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Fabricated Metal Product Manufacturing (100%)Use—non-incorporative activities
- •Etching agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Chelating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (77%)Processing as a reactant
- •Intermediate in OtherProcessing—incorporation into formulation, mixture, or reaction product
- •Humectant in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Primary Metal Manufacturing (100%)Processing—incorporation into article
- •Corrosion inhibitor in All Other Basic Inorganic Chemical Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Miscellaneous ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Processing aids, specific to petroleum production in All other Petroleum and Coal Products ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Heat transferring agent in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Antioxidant 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
- •Anti-scaling agent in Utilities (97%)Use—non-incorporative activities
- •Defoamer in All Other Basic Organic Chemical Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
- •Catalyst in Paint and Coating Manufacturing (100%)Processing as a reactant
- •Anti-adhesive/cohesive in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Flavoring and nutrient in Food, beverage, and tobacco product manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •pH regulating agent in Agriculture, Forestry, Fishing and Hunting (30%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in Printing and Related Support Activities (90%)Use—non-incorporative activities
Vendor Pricing
$0.02/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$432.31 / 25 kg
PurityNot recorded
Vendors5 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
4 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Sigma-Aldrich | Germany | $0.02 | 25 kg | — |
| AK Scientific, Inc. | United States | $0.16 | 250 g | 85% |
| A2B Chem LLC | United States | $0.32 | 500 g | 99.999% |
| AA BLOCKS | United States | $0.42 | 500 g | 99.999% |
Chemical Identity
CAS7664-38-2
PubChem CID1004
DTXSIDDTXSID5024263
FormulaH3O4P
Mol. Weight97.995 g/mol
SMILESOP(=O)(O)O
Data Sources
- EPA CompTox (DSSTox) · DTXSID5024263Retrieved 2026-04-06
- PubChem · compound 1004Retrieved 2026-04-06
- 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
Phosphoric acid (CAS 7664-38-2) https://chemicalindependence.com/chemical/7664-38-2/ EPA CompTox (DSSTox): DTXSID5024263. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5024263 PubChem: 1004. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/1004 EPA Chemical Data Reporting: 7664-38-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7664-38-2. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 280920 for CAS 7664-38-2. Reporting year: 2024. https://usatrade.census.gov/