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Phosphoric Acid 85% H3PO4 Industrial Grade

TDS 225 Inquiries

Unit Price:

$800-950/MT FOB

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CAS No.:

7664-38-2

Grade:

Industrial Grade

Content:

85%

Port:

Poland

Brand:

OEM

Packaging:

330kg/HDPE Drum

Price valid (until):

2026-10-30

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SOV SALES INC

Company Type:

Distributor

Location:

United States

Payment Terms:

TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Qualification:

Main Products:

Fertilizer,Urea,APIs,Sodium Hypochloride

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Phosphoric Acid 85% H₃PO₄ Industrial Grade

Phosphoric Acid 85% Industrial Grade, also known as Orthophosphoric Acid, is a high-concentration inorganic acid widely used in phosphate manufacturing, water treatment, metal surface treatment, fertilizer production, industrial cleaning, chemical manufacturing, electroplating, and other industrial processes.

The product has the chemical formula H₃PO₄ and CAS No. 7664-38-2. It is supplied as a clear, colorless, transparent, viscous liquid with a minimum Phosphoric Acid concentration of 85.0%, subject to the manufacturer's approved specification and batch Certificate of Analysis.

Phosphoric Acid provides reliable acidity, excellent water miscibility, and versatile chemical reactivity. These properties make it an important industrial raw material for producing phosphate compounds, adjusting process pH, treating metal surfaces, removing rust and mineral deposits, and supporting a variety of chemical-manufacturing processes.

Product Information

Product Name: Phosphoric Acid 85%
Chemical Name: Phosphoric Acid
Alternative Name: Orthophosphoric Acid
Chemical Formula: H₃PO₄
CAS No.: 7664-38-2
EC No.: 231-633-2
Molecular Weight: 97.99 g/mol
Grade: Industrial Grade
Concentration: ≥85.0%
Physical Form: Liquid
Appearance: Clear Colorless Transparent Viscous Liquid
Water Solubility: Completely Miscible with Water
Packaging: 330 kg HDPE Drum

Key Features

H₃PO₄ content ≥85.0%
Industrial Grade
CAS 7664-38-2
Clear colorless viscous liquid
Completely miscible with water
Consistent industrial chemical quality
Suitable for phosphate manufacturing
Suitable for metal surface treatment
Suitable for industrial water-treatment processes
Suitable for fertilizer manufacturing
Suitable for industrial cleaning and descaling
Suitable for chemical processing
Suitable for selected electroplating and metal-finishing processes
TDS, COA and SDS documentation available

Technical Specifications

Parameter	Specification
Product Name	Phosphoric Acid
Chemical Formula	H₃PO₄
CAS No.	7664-38-2
EC No.	231-633-2
Molecular Weight	97.99 g/mol
Grade	Industrial Grade
Appearance	Clear Colorless Viscous Liquid
H₃PO₄ Content	≥85.0%
Color / Hazen	≤20*
Chloride as Cl	≤0.0005%*
Sulphate as SO₄	≤0.003%*
Iron as Fe	≤0.002%*
Arsenic as As	≤0.0001%*
Heavy Metals as Pb	≤0.001%*
Specific Gravity	Supplier Specification*
Water Solubility	Completely Miscible
Packaging	330 kg HDPE Drum

Shop Phosphoric Acid 85% H3PO4 Industrial Grade-Detailed Image 1

Supplier-dependent specifications should be confirmed against the manufacturer's current TDS and batch-specific COA before being represented as guaranteed contractual values.

Applications

Phosphate Manufacturing

Phosphoric Acid is an important raw material for manufacturing a wide range of phosphate compounds.

Typical applications include the production of:

Sodium phosphates
Potassium phosphates
Ammonium phosphates
Calcium phosphates
Industrial phosphate salts
Water-treatment phosphates
Specialty phosphate chemicals

The required acid purity and impurity profile depend on the final phosphate product and manufacturing process.

Water & Wastewater Treatment

Phosphoric Acid may be used in appropriately designed municipal and industrial water-treatment systems.

Potential applications include:

pH adjustment
Alkalinity control
Process-water conditioning
Phosphate-treatment programs
Scale-control formulations
Corrosion-control formulations
Industrial wastewater treatment
Chemical preparation

Phosphate-based treatment systems derived from Phosphoric Acid may be used for selected corrosion-control and sequestration applications.

Dosage should be determined according to feed-water chemistry, pH, alkalinity, hardness, metal concentrations, treatment objectives, downstream equipment, and applicable regulatory requirements.

Industrial Grade material should not automatically be represented as approved for drinking-water treatment. Any potable-water application requires the appropriate product grade and supporting regulatory documentation.

Metal Surface Treatment

Phosphoric Acid is widely used in metal-treatment and surface-preparation processes.

Applications include:

Rust removal
Oxide removal
Metal surface cleaning
Phosphating
Surface conditioning
Preparation before painting or coating
Steel treatment
Selected metal-finishing processes

Phosphoric Acid can react with iron oxides and is commonly incorporated into industrial rust-removal and metal-treatment formulations.

Operating concentration and treatment conditions should be selected according to the substrate and process requirements.

Fertilizer Manufacturing

Phosphoric Acid is an important phosphorus-containing raw material for fertilizer manufacturing.

Potential applications include:

Phosphate fertilizer production
Ammonium phosphate manufacturing
Compound fertilizer processing
Liquid fertilizer production
Industrial phosphorus formulations

The required grade and impurity limits should be selected according to the fertilizer-production process.

Industrial Cleaning & Descaling

Phosphoric Acid may be incorporated into acidic industrial cleaning formulations.

Typical applications include:

Mineral-scale removal
Rust removal
Equipment cleaning
Metal cleaning
Surface preparation
Industrial descaling
Deposit removal

Concentration should be selected according to the equipment, surface material, deposit composition, and cleaning procedure.

Material compatibility should always be evaluated before use.

Chemical Manufacturing

Phosphoric Acid is widely used as an industrial chemical raw material and processing reagent.

Potential functions include:

Acidifying agent
pH-control reagent
Chemical intermediate
Phosphate raw material
Neutralization reagent
Process reagent
Formulation ingredient
Catalyst or reaction medium in selected chemical processes

It reacts with suitable alkaline materials to produce various phosphate salts.

Electroplating & Metal Finishing

Phosphoric Acid may be used in selected:

Electroplating processes
Metal-finishing formulations
Surface-conditioning systems
Chemical polishing processes
Phosphate-coating operations

The appropriate concentration and purity depend on the specific metal-treatment process.

Detergent & Industrial Cleaning Chemical Manufacturing

Phosphoric Acid and phosphate compounds derived from it may be used in selected industrial cleaning and detergent formulations.

Potential applications include:

Acid cleaning formulations
pH adjustment
Mineral-deposit removal
Metal-cleaning products
Production of phosphate-based ingredients

Suitability depends on the final formulation and applicable regulatory requirements.

Packaging

Standard export packaging:

330 kg HDPE Drum

Alternative packaging may be available depending on supplier capability and order requirements, including:

35 kg HDPE Drum
50 kg HDPE Drum
250 kg HDPE Drum
330 kg HDPE Drum
IBC Tank
ISO Tank
Bulk Tanker

All containers should be chemically compatible with Phosphoric Acid and suitable for the concentration supplied.

Packaging options should be confirmed before order placement.

Shop Phosphoric Acid 85% H3PO4 Industrial Grade-Detailed Image 2

Storage

Store Phosphoric Acid in a cool, dry and well-ventilated chemical-storage area.

Recommended storage practices include:

Keep containers tightly closed
Keep containers upright and properly secured
Protect packaging from physical damage
Protect from contamination
Keep away from incompatible alkaline materials
Keep away from incompatible reactive metals
Use suitable corrosion-resistant storage equipment
Provide appropriate secondary containment
Follow applicable chemical-storage requirements

Storage tanks, pumps, valves, pipelines, transfer equipment and container materials should be verified for compatibility with the actual acid concentration.

Handling & Safety

Phosphoric Acid is corrosive and should be handled using appropriate industrial chemical-handling procedures.

Avoid:

Eye contact
Skin contact
Breathing acid mist
Splashing during transfer
Uncontrolled mixing with alkaline chemicals
Contact with incompatible materials

Recommended protective measures may include:

Chemical-resistant gloves
Chemical splash goggles
Face protection where splash risk exists
Acid-resistant protective clothing
Appropriate protective footwear
Adequate workplace ventilation
Emergency eyewash facilities
Emergency safety shower

Always consult the current product-specific Safety Data Sheet (SDS) before handling, storage, transportation or industrial use.

Transport Information

Typical transport information for commercial Phosphoric Acid solution may include:

UN Number: UN 1805
Proper Shipping Name: Phosphoric Acid, Solution
Hazard Class: 8
Packing Group: III

Final transport classification must be confirmed against the current product-specific SDS, actual concentration, packaging configuration, destination and applicable transport regulations.

Quality Documentation

Supporting documents may be provided according to the product and shipment requirements, including:

Technical Data Sheet (TDS)
Certificate of Analysis (COA)
Safety Data Sheet (SDS)
Commercial Invoice
Packing List
Certificate of Origin where applicable
Transport documentation where required

A batch-specific COA should contain actual analytical results for the supplied material.

Typical COA Parameters

A Certificate of Analysis may include:

Appearance
H₃PO₄ content
Color / Hazen
Chloride
Sulphate
Iron
Arsenic
Heavy metals
Specific gravity
Batch number
Production date
Inspection date
Quality-control conclusion

Actual analytical values should be based on testing of the supplied batch.

Quality Assurance

Product quality should be verified according to the manufacturer's approved specification and batch analysis.

Final Phosphoric Acid concentration, color, chloride, sulphate, iron, arsenic, heavy metals, specific gravity and other quality parameters should be confirmed through the manufacturer's Technical Data Sheet and applicable batch Certificate of Analysis.

Important Grade Information

This product is offered as Industrial Grade Phosphoric Acid 85%.

Industrial Grade material should not automatically be advertised as:

Food Grade
Pharmaceutical Grade
FCC Grade
Drinking-Water Approved
NSF Certified

unless the actual supplied product meets the applicable standard and is supported by valid documentation.

Product Summary

Product: Phosphoric Acid 85%
Alternative Name: Orthophosphoric Acid
Formula: H₃PO₄
CAS No.: 7664-38-2
EC No.: 231-633-2
Molecular Weight: 97.99 g/mol
Grade: Industrial Grade
Content: ≥85.0%
Appearance: Clear Colorless Transparent Viscous Liquid
Solubility: Completely Miscible with Water
Packaging: 330 kg HDPE Drum
Primary Applications: Phosphate Manufacturing, Water Treatment, Metal Surface Treatment
Additional Applications: Fertilizer Manufacturing, Industrial Cleaning, Chemical Processing, Electroplating and Metal Finishing
Documentation: TDS / COA / SDS

ECHEMI Editorial Reference

Phosphoric acid (H3PO4) is a colorless, odorless, and non-volatile liquid that is highly soluble in water. It is a weak acid with three acidic protons, making it useful in various chemical reactions. Phosphoric acid is known for its ability to act as an excellent acidifying agent and is widely used in industrial applications.

Certificates

Basic Info

Product Name:

Phosphoric acid

Other Name:

Phosphoric acid;Orthophosphoric acid;EVITs;WC-Reiniger;Sonac;Decon 4512;Kefo;3M Etching Liquid;C 134 (acid);C 434 (acid);C 134;C 434;Mikro Klene DF;K-etchant;SPA 2 (catalyst);SPA 2;TG 434;Ultra-Etch Gel;Uni-Etch;Ultraetch;Amberphos 54;HQ 54;Panavia Etching Agent;Conditioner 36;E 338;Total Etch;NSC 80804;Etchalite;Kerr Etchant;Y 11A06;Ultradent;K Etchant Gel;Acidum phosphoricum;Vococid;PC 400;SF 1;SF 1 (acid);28602-75-7;178560-73-1;959699-83-3;1021417-41-3;1053657-23-0;1196963-54-8;1643589-98-3;2055242-58-3

CAS No.:

7664-38-2

UN No.:

1805

Molecular Formula:

H3O4P

InChIKeys:

InChIKey=NBIIXXVUZAFLBC-UHFFFAOYSA-N

Molecular Weight:

97.99520

Exact Mass:

98.00

EC Number:

231-633-2

UNII:

E4GA8884NN

ICSC Number:

1008

NSC Number:

80804

UN Number:

1805|3453

DSSTox ID:

DTXSID5024263

NCI Thesaurus Code:

C47670

Color/Form:

Unstable orthorhombic crystals or clear syrupy liquid|Colorless, sparkling liquid or transparent, crystalline solid, depending on concentration and temperature. At 20 °C the 50% and 75% strengths are mobile liquids, the 85% is of syrupy consistency; the 100% acid is in the form of crystals.|Colorless viscous liquid|Thick, colorless crystalline solid [Note: Often used in an aqueous solution]

HScode:

2809201900

Categories:

Inorganic Acid

Characteristics

PSA:

87.57000

XLogP3:

-0.9286

Appearance:

Transparent liquid

Density:

1.834 g/cm³ @ Temp: 18 °C

Melting Point:

42.35 °C

Boiling Point:

158 °C(lit.)

Refractive Index:

n20/D 1.433

Water Solubility:

Miscible

Storage Conditions:

Storage Room low temperature ventilation drying ,Separate storage with H Pore forming agent、caustic soda

Vapor Pressure:

Vapour pressure, Pa at 25°C:

Vapor Density:

3.4 (vs air)

Toxicity:

ADI 0 to 70 mg / kg (total phosphate content in terms of phosphorus, FAO / WHO, 2001). GRAS (FDA, § 182.1073, 2000). LD501530mg / kg (rat, oral). In case of daily intake of 2 ~ 4 g, it can cause mild diarrhea. The amount of sour agent used as a cola drink is 0.02% to 0.06%.

Flammability characteristics:

Noncombustible Solid

Odor:

Odorless

Taste:

Acid taste

PH:

pH = 1.5 (0.1 N aqueous solution)

Dissociation Constants:

pK1: 2.15; pK2: 7.09; pK3: 12.32

Experimental Properties:

PH: 2.0-2.2 /DETERMINED IN 1% SOLN AND IN 10-50% SLURRIES OF INSOL COMPOUNDS/|IT FORMS 3 SERIES OF SALTS: PRIMARY PHOSPHATES; DIBASIC PHOSPHATES; AND TRIBASIC PHOSPHATES.|Easily supercooled into a glass; Heat of formation (crystalline): -306.2 Kcal/mol; Heat of solution: +2.79 Kcal/mol.|Acid containing about 88% orthophosphoric acid will frequently crystallize on prolonged cooling, forms hemihydrate; becomes anhydrous at 150 °C, gradually changes to pyrophosphoric acid at about 200 °C; above 300 °C, metaphosphoric acid; hot concentrated acid attacks porcelain and granite ware.|For more Other Experimental Properties (Complete) data for PHOSPHORIC ACID (9 total), please visit the HSDB record page.

Air and Water Reactions:

Soluble in water with small release of heat.

Reactive Group:

Acids, Weak

Reactivity Profile:

PHOSPHORIC ACID reacts exothermically with bases. May react with active metals, including such structural metals as aluminum and iron, to release hydrogen, a flammable gas. Can initiate the polymerization of certain classes of organic compounds. Reacts with cyanide compounds to release gaseous hydrogen cyanide. May generate flammable and/or toxic gases in contact with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and strong reducing agents. Forms explosive mixture with nitromethane. Reacts violently with sodium tetrahydroborate. In the presence of chlorides can corrode stainless steel to form explosive hydrogen gas. Emits toxic and irritating fumes of oxides of phosphorus when heated to decomposition [Lewis, 3rd ed., 1993, p. 1029].

Autoignition Temperature:

Not flammable (USCG, 1999)

Flammable Limits:

Noncombustible Solid

Corrosivity:

Corrosive to ferrous metals and alloys

See More Phosphoric acid Properties 

Hazard Identification

Classification of the substance or mixture

Skin corrosion, Sub-category 1B

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H314 Causes severe skin burns and eye damage
Prevention	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO contact with incompatible materials: See Chemical Dangers Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Dry. Well closed. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Ventilation along the floor.Store in cool, dry, well-ventilated location. Separate from alkalies and most metals.

See More Phosphoric acid Safety Data Sheet 

Seller Information

Business Type:
Distributor

Main Products:
Fertilizer,Urea,APIs,Sodium Hypochloride

Location:
W153N8358 Manhattan Dr , WI

Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
11-50

Year of Establishment:
2025

Inquiry History

225 Inquiries

Country	Product	Purchase Quantity	Date Posted
Vietnam	7664-38-2 Phosphoric Acid 85% Orthophosphoric Acid	52 MT	Nov 20, 2023
Germany	Buy Phosphoric Acid 85% Cas 7664-38-2 cheap price	5 MT	Nov 14, 2023
Egypt	Phosphoric Acid 85%	1 KG	Feb 13, 2026
India	Orthophosphoric Acid	25 MT	Mar 10, 2026
United States	Phosphoric AcidCAS NO.7664-38-2	10000 MT	Dec 29, 2023
Germany	Phosphoric acid	350 MT	Jun 11, 2024
Vietnam	Phosphoric Acid	26 MT	May 26, 2026
Vietnam	Phosphoric Acid 85% Food Grade	26 MT	May 22, 2026
Vietnam	Phosphoric Acid 85% Food Grade	26 MT	May 22, 2026
India	Phosphoric Acid / Ortho Phosphoric Acid 85%	50 KG	Sep 9, 2026
Vietnam	Phosphoric Acid 85% Food Grade	26 MT	May 22, 2026
Vietnam	Phosphoric Acid 85% Food Grade	26 MT	May 22, 2026
Vietnam	Phosphoric Acid 85%, food grade	26 MT	May 21, 2026
Vietnam	Phosphoric Acid 85%, food grade	26 MT	May 21, 2026
Vietnam	Phosphoric Acid 85%, food grade	26 MT	May 21, 2026
Indonesia	Phosphoric Acid Food grade 85%	475 MT	Apr 9, 2026
Pakistan	Phosphoric Acid 85%	1.00 20' Fcl	Sep 7, 2026
United Arab Emirates	Phosphoric acid	500 KG	Aug 21, 2026
Bangladesh	Phosphoric Acid	20000 MT	Aug 18, 2026
India	Phosphoric Acid	15000.00 KG	Aug 14, 2026

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Phosphoric Acid 85% H3PO4 Industrial Grade

Product Description

Seller Information

Inquiry History

Phosphoric Acid 85% H₃PO₄ Industrial Grade

Product Information

Key Features

Technical Specifications

Applications

Phosphate Manufacturing

Water & Wastewater Treatment

Metal Surface Treatment

Fertilizer Manufacturing

Industrial Cleaning & Descaling

Chemical Manufacturing

Electroplating & Metal Finishing

Detergent & Industrial Cleaning Chemical Manufacturing

Packaging

Storage

Handling & Safety

Transport Information

Quality Documentation

Typical COA Parameters

Quality Assurance

Important Grade Information

Product Summary

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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