National manufacturer since 1985

National Manufacturer of Chemical Products with high purity levels.

We manufacture and dilute Nitric Acid PA 65%, Sulfuric Acid PA-ACS and Hydrochloric Acid PA-ACS to customer specification, with our own laboratory and fleet and traceability by batch.

Priority products

Our three priority reagents.

HNO₃ PA 65%

Nitric Acid PA 65%

Manufactured and diluted to specification, with a certificate of analysis per batch.

See full specifications →

H₂SO₄ PA-ACS

Sulfuric Acid PA-ACS

American Chemical Society standard, for laboratory and industrial use.

See full specifications →

HCl PA-ACS 37%

Hydrochloric Acid PA-ACS

High purity for analysis, pickling and process control.

See full specifications →

Hanaoka team member wearing full protective gear (yellow coveralls, gloves and face shield) performing maintenance on equipment at the industrial plant

Production · Sulfuric Acid PA-ACS

What sets us apart

High-purity acids, manufactured and diluted by us.

We manufacture and dilute Sulfuric Acid PA-ACS and Nitric Acid PA 65% to the customer's specification and to American Chemical Society (ACS) standards.

H₂SO₄ PA-ACS HNO₃ PA 65% DuPont Tychem®

Hanaoka's own fleet of trucks parked in front of the production plant

Cotia · SP — headquarters and production

Our own logistics

From the lab to your door, with our own fleet.

Our own fleet, licensed (LETPP) for hazardous products, delivering across Greater São Paulo and beyond.

Own fleet LETPP license Greater São Paulo

Why trust Hanaoka

Hanaoka in numbers.

40+ Years in the market A continuous track record since 1985, never changing hands. 100% Own laboratory Quality control on every batch, before it leaves the plant. 0 Outsourced delivery Our own licensed fleet (LETPP), from our yard to your receiving dock. 8 Certifications and awards ISO 9001, ISO 14001, EcoVadis and other certifications and awards from outside bodies.

Hanaoka PureLab

A line dedicated to the highest-purity reagents.

Rigorous analytical specifications, a certificate of analysis per batch, and technical support for laboratories that can't afford to take risks.

Discover PureLab

Product line

Acids, salts and reagents.

Produced with quality control in our own laboratory.

Acids

H₂SO₄ Sulfuric AcidPA-ACS grade, manufactured and diluted to the customer's specification.

HNO₃ Nitric AcidPA 65% grade, with a certificate of analysis per batch.

HCl Hydrochloric AcidHigh purity for a wide range of industrial processes.

Salts & Reagents

NaClO Sodium HypochloriteHigh-efficiency solution for disinfection and treatment.

FeCl₃ Ferric ChlorideWidely used in water and wastewater treatment.

See technical specifications · see solutions by segment →

Sustainability

Sustainability is part of our purpose.

Emissions management, energy efficiency and reverse packaging logistics, with recognition such as the FIESP Environmental Merit Award and the EcoVadis seal.

GHG Scope Decarbonization Energy Efficiency Reverse Packaging Cycle SDGs

See our initiatives

Need a chemical supplier?

Describe what you need and our sales team will reply with a proposal.

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