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Bacteriostatic Water 30ml

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Product is topical, in powder form, needs reconstitution before use. Please read more on our FAQ page.

Buy Bacteriostatic Water 30ml Online

Bacteriostatic Water is a specially prepared water used for medical purposes. It’s a sterile, non-pyrogenic solution that comes with 0.9% benzyl alcohol (9 mg/mL), acting as a bacteriostatic preservative. This means it prevents the growth and reproduction of bacteria, making it safe for use in various medical applications.

This product is often used to dilute or dissolve medications for patient injection. Additionally, it can be utilized in equipment to thwart bacterial growth, such as in a humidifier.



  • Products sold on our website are meant for scientific research purposes only, designed for in vitro testing and lab experimentation exclusively. These products are not intended to be used as foods, drugs or cosmetics, any sort of bodily introduction of the products into humans or animals is strictly prohibited. They must also not be misbranded, misused, or mislabeled, or used for anything other than research and scientific investigation.

  • All the products you see on the website are being sold in a lyophilized powder state (freeze-dried), in a sealed sterile vial; and should be reconstituted.

  • The product’s label clearly states the amount of product a vial contains; some products are offered in different variations.

  • The products we are selling come in a sealed vial but require additional lab equipment for proper testing. This equipment includes bacteriostatic water (for reconstitution), syringes and needles (to draw the product from the vial/apply bacteriostatic water), alcohol disinfection pads etc.

  • Though we make sure packaging, label, seals and writing does not differ from the product photos you see on our website, there is a chance for a minimal deviation.

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Why Do People Use/Inject Bacteriostatic Water for Health?

Bacteriostatic Water has a wide range of applications in the medical field, primarily due to its ability to prevent bacterial contamination. Its key ingredient, 0.9% benzyl alcohol, acts as a bacteriostatic preservative, inhibiting the growth and reproduction of bacteria.

One of the primary uses of Bacteriostatic Water is in preparing injections for patients. It is used to dilute or dissolve medications, making it safe for intravenous, intramuscular, and subcutaneous injections. This ensures that the medication being administered is free from harmful bacteria, thus reducing the risk of infection.

In addition to its use in injections, Bacteriostatic Water can be used in various other medical and laboratory settings. For example, it is utilized in different formulas, canisters, containers, and utensils to prevent bacterial growth.

However, it's important to note that while Bacteriostatic Water is safe for medical use, injecting sterile water without any medication can lead to hemolysis, which involves the splitting of blood cells. Therefore, Bacteriostatic Water should always be used under the guidance of a healthcare professional.

Diluting or Dissolving Medications with Bacteriostatic Water

As previously mentioned, bacteriostatic water is commonly used in the medical field to dilute or dissolve medications for injection, thanks to its unique properties that inhibit bacterial growth. This makes it a crucial component in preparing safe and effective injectable treatments.

To dilute or dissolve medications, a healthcare professional typically follows these steps:

Check the medication's instructions: Every medication has specific requirements for dilution or reconstitution. These instructions should be followed meticulously to ensure patient’s safety and treatment efficacy.

Ensure sterility: The vial of Bacteriostatic Water and the vial containing the medication are cleaned with an alcohol swab to prevent contamination.

Draw up the required amount of Bacteriostatic Water: The healthcare provider uses a sterile syringe and needle to draw up the necessary amount of Bacteriostatic Water from its vial.

Add the Bacteriostatic Water to the medication: The water is injected into the vial containing the medication.

Mix gently: The vial should be gently swirled (not shaken) to mix the medication and the water. This helps to ensure the medication is thoroughly dissolved.

Inspect the solution: After mixing, the solution should be checked for clarity and signs of particulates. It should not be used if it appears cloudy or contains floating particles.

How to Avoid Complications?

Avoiding complications when using Bacteriostatic Water or other medical products involves following proper procedures and guidelines. Here are some general recommendations to avoid complications:

Follow instructions: Always adhere to the medication's instructions for dilution or reconstitution. If you're unsure, consult your healthcare provider.

Maintain sterility: Ensure the vials of both the medication and Bacteriostatic Water are cleaned with an alcohol swab before use to prevent contamination.

Use fresh supplies: Always use a new, sterile syringe and needle for each injection.

Inspect the solution: After mixing the medication with Bacteriostatic Water, check the solution. It should be clear and free from floating particles.

Proper storage: Store Bacteriostatic Water and medications as directed by the manufacturer. Usually, this is in a cool, dry place away from sunlight.

Dispose of used supplies properly: Used needles, syringes, and vials should be disposed of in a sharps container to prevent accidental injury and contamination.

Monitor for side effects: After administering the medication, monitor for any adverse reactions or side effects. 

Precautions to Consider Before Using Bacteriostatic Water.

Before using Bacteriostatic Water, it's important to be aware of the following precautions:

Neonatal Toxicity: Benzyl alcohol, a preservative in Bacteriostatic Water, has been associated with toxicity in neonates. Therefore, caution should be exercised when administering to this population.

Osmolar Concentration: For safety, don't use Bacteriostatic Water for injections directly into your veins unless the substances you add to it balance out its concentration. This balance, or "osmolar concentration," should make the solution isotonic - meaning it matches the natural fluid balance in your body. This is crucial because it helps keep your cells healthy and prevents any damage.

Preservation and Expiration: Bacteriostatic Water does have shelf life. Once a vial is opened or used, it should not be kept indefinitely. Always check the expiration date before use.

Aseptic Techniques: You can use the same vial several times if you apply aseptic techniques. These are precautions that decrease the likelihood of contamination by microorganisms.

Clarity of Solution: Before giving the medicine, inspect it carefully. When the drug dissolves, the fluid should be clear. Also, make sure there are no weird bits floating in it or strange color changes.

Avoiding Adverse Drug Interactions

Check Compatibility: Not all drugs are compatible with bacteriostatic water. Some may require sterile water or saline for reconstitution. Always check the medication's instructions or ask your healthcare provider or pharmacist.

Monitor After Administration: Watch for any unusual reactions or side effects after administering medication mixed with bacteriostatic water. If anything unusual occurs, seek medical attention immediately.


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