Peracetic acid solution
Peracetic acid solution (CAS: 79-21-0, Formula: CH3CO3H) is a potent oxidizing agent and a versatile organic acid. As a strong disinfectant and sterilant, it finds extensive use in various industrial and laboratory settings. Its applications span from water treatment and food processing sanitation to chemical synthesis and as a bleaching agent. Tech Serve Solutions provides this compound for research and industrial applications, adhering to stringent quality controls.
- IUPAC
- Peroxyacetic acid

Disinfection and Sterilisation
Peracetic acid is a highly effective biocide used for disinfecting medical equipment, surfaces, and water systems. It is also employed in the food and beverage industry for sanitising processing equipment and packaging materials.
Chemical Synthesis
As a strong oxidizing agent, peracetic acid is utilised in organic synthesis for epoxidation of alkenes and other oxidation reactions. It serves as a crucial reagent in the production of various chemical intermediates.
Bleaching Agent
Its oxidative properties make peracetic acid suitable for use as a bleaching agent in textile and pulp and paper industries. It offers an environmentally friendlier alternative to chlorine-based bleaches.
Water Treatment
Peracetic acid is used for the disinfection of wastewater and industrial process water. It effectively inactivates a broad spectrum of microorganisms without forming harmful disinfection byproducts.
| Molecular weight | 76.05 |
|---|---|
| Linear formula | CH3CO3H |
| Density | 1.15 g/mL at 20 °C |
| Refractive index | n20/D 1.391 |
| Concentration | ~39% in acetic acid (RT) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤6% H2O2~45% acetic acid |
| Composition | acetic acid, 40-45% |




Hazard statements
- H226Flammable liquid and vapour
- H242Heating may cause a fire
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 56 °C / 132.8 °F |
| Transport (UN / ADR) | UN 3109 5.2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | O,C,N |
| Risk statements (R) | 7-20/21/22-35-50 |
| Safety statements (S) | 3/7-14-26-36/37/39-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Shelf Life | (limited shelf life, expiry date on the label) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Peracetic acid solution used for?
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Peracetic acid solution is primarily used as a powerful disinfectant, sterilant, oxidizing agent in chemical synthesis, and a bleaching agent in industrial applications like water treatment and food processing sanitation.
What are the CAS number and chemical formula for Peracetic acid?
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The CAS number is 79-21-0 and the chemical formula is CH3CO3H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Peracetic acid solution with a concentration of approximately 39% in acetic acid (RT). The composition is 40-45% acetic acid with ≤6% H2O2 as impurities. We do not represent this product as USP, BP, or EP grade.
How should Peracetic acid solution be handled safely?
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Peracetic acid is a dangerous substance. Handle with extreme care, wearing full personal protective equipment including facesheilds, gloves, goggles, and appropriate respirators. It is corrosive and can cause severe burns. Store refrigerated between 2-8°C.
How is Peracetic acid solution packed and shipped?
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Peracetic acid solution is shipped as a UN 3109, classified under Hazard Class 5.2 (Organic Peroxides). Specific packaging and shipping regulations apply due to its hazardous nature. Consult our shipping department for details.
How can I request a sample or quote for Peracetic acid solution?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
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