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Contraindicated for urological instrumentation to be utilized for cystoscopy or other urological procedures for patients with a history of bladder cancer
Contains buffering agents for corrosion inhibitors
10 minute manual disinfection time at room temp of 68°F (20°C)
Ready-to-use, no mixing or activating
Long, life, activated 28-day, 0.575% buffered ortho-Phthalaldehyde solution which contains surfactants
Net Contents: 1 Gallon (3.8 L)
5 minute AER disinfection time at 77°F (25°C)
McKesson OPA/28 High Level Disinfectant

OPA High-Level Disinfectant Solution

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First Delivery: March 11, 2026 - March 12, 2026

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$45.30

Contraindicated for urological instrumentation to be utilized for cystoscopy or other urological procedures for patients with a history of bladder cancer
Contains buffering agents for corrosion inhibitors
10 minute manual disinfection time at room temp of 68°F (20°C)
Ready-to-use, no mixing or activating
Long, life, activated 28-day, 0.575% buffered ortho-Phthalaldehyde solution which contains surfactants
Net Contents: 1 Gallon (3.8 L)
5 minute AER disinfection time at 77°F (25°C)
McKesson OPA/28 High Level Disinfectant

Features of OPA High-Level Disinfectant

Long-lasting efficacy – Allows more devices to be reprocessed per gallon compared to glutaraldehyde-based solutions
Ready to use – No activation or mixing required for convenience
Fast-acting formula –
- 5-minute soak time at 25°C in an automated endoscope reprocessor
- 12-minute soak time at 20°C for manual reprocessing
Glutaraldehyde-free solution – Provides high-level disinfection without the risks associated with glutaraldehyde
Reduced exposure risks – Minimizes fumes, odors, and irritation for safer handling

Product Details

Specification	Details
Activation Method	Ready to Use (RTU)
Active Ingredient	0.575% ortho-Phthalaldehyde (OPA)
Application	High-Level Disinfectant
Container Type	Jug
Form	Liquid
Scent	Characteristic Scent
Storage Requirements	USP Controlled Room Temperature
Usage	Maximum 28-day reuse
Volume	1 Gallon

OPA High-Level Disinfectant Solution – Frequently Asked Questions (FAQs)

1. How long does OPA High-Level Disinfectant Solution take to work?

The solution works in just 5 minutes at 25°C in an automated endoscope reprocessor.
For manual reprocessing, it requires 12 minutes at 20°C.

2. Does this solution require activation or mixing?

No, OPA High-Level Disinfectant Solution is ready to use (RTU) and does not require activation or mixing.

3. How long can OPA High-Level Disinfectant Solution be reused?

The solution can be reused for up to 28 days, provided it remains effective based on required concentration testing.

4. Is this solution glutaraldehyde-free?

Yes, this disinfectant is free from glutaraldehyde, making it a safer alternative with reduced fumes, odors, and irritation.

5. What are the storage requirements for this product?

It should be stored at USP-controlled room temperature to maintain its effectiveness and stability.

Size Information

The OPA High-Level Disinfectant Solution comes in a 1-gallon jug, offering a long-lasting and efficient high-level disinfection solution for medical instruments. It is ready to use (RTU), eliminating the need for activation or mixing.

Size Guide