Bacteriostatic Water 0.9% Benzyl Alcohol Solution – Protide Health

Bacteriostatic Water Research Reagent Overview

Bacteriostatic water is a commonly searched term for aqueous preparations containing benzyl alcohol as a bacteriostatic preservative.

Protide Health supplies a laboratory-grade aqueous solution containing:

0.9% w/v benzyl alcohol

equivalent to:

9 mg/mL benzyl alcohol

in deionized water.

The solution is available in:

• 10mL vial
• 30mL vial

This Protide Health product is supplied strictly as a Laboratory Reagent Grade research solution.

It is not Bacteriostatic Water for Injection, USP, is not supplied as a pharmaceutical drug diluent, and must not be used for human or veterinary injection, medication preparation, clinical compounding, or therapeutic administration.

Technical Specifications

• Product Name: 0.9% Benzyl Alcohol Solution
• Common Search Term: Bacteriostatic Water
• Available Sizes: 10mL, 30mL
• Product Type: Aqueous benzyl alcohol laboratory reagent
• Concentration: 0.9% w/v
• Benzyl Alcohol Concentration: 9 mg/mL
• Benzyl Alcohol Formula: C₆H₅CH₂OH
• Molecular Formula: C₇H₈O
• Grade: Laboratory Reagent Grade
• Carrier: Deionized water
• Specified pH Range: 5.0–7.0
• Appearance: Clear, colorless solution
• Unopened Storage: 20°C–25°C, sealed and protected from direct light
• After Opening: Refrigerate at 2°C–8°C
• Research Classification: Laboratory reagent for bona fide research use only

What Is Bacteriostatic Water?

The search phrase what is bacteriostatic water generally refers to water containing a bacteriostatic preservative that inhibits the growth of certain microorganisms.

Benzyl alcohol is one of the best-known preservatives used for this purpose.

A concentration of:

0.9% w/v

corresponds to:

9mg benzyl alcohol per milliliter

The Protide Health formulation uses this concentration in deionized water for laboratory research purposes.

However, terminology matters.

A laboratory solution containing 0.9% benzyl alcohol is not automatically equivalent to a regulated pharmaceutical product labeled Bacteriostatic Water for Injection, USP.

Pharmaceutical injectable products require specific manufacturing, sterility, pyrogen, container, quality-control, and regulatory standards that are separate from laboratory reagent classification.

Bacteriostatic Water vs Bacteriostatic Water for Injection

The distinction between bacteriostatic water and bacteriostatic water for injection is critical.

Protide Health 0.9% Benzyl Alcohol Solution

• Laboratory Reagent Grade
• 0.9% w/v benzyl alcohol
• 9 mg/mL
• Deionized water
• Research-use labeling
• Not supplied for human or veterinary use
• Not intended for injection
• Not intended for pharmaceutical compounding

Bacteriostatic Water for Injection, USP

The term refers to a regulated pharmaceutical product manufactured specifically to pharmaceutical standards.

Official products may contain:

• Sterile Water for Injection
• 0.9% benzyl alcohol
• Pharmaceutical multi-dose packaging
• Specific sterility and pyrogen specifications

The two categories should not be treated as interchangeable merely because both may contain 0.9% benzyl alcohol.

What Does 0.9% w/v Mean?

For bacteriostatic water research solutions, 0.9% w/v means:

0.9 grams benzyl alcohol per 100mL of finished solution

This is equivalent to:

900mg per 100mL

or:

9mg per mL

10mL Vial

A nominal 10mL vial contains:

90mg benzyl alcohol

at 9mg/mL.

30mL Vial

A nominal 30mL vial contains:

270mg benzyl alcohol

at 9mg/mL.

These calculations describe chemical composition only and do not constitute preparation or administration instructions.

Benzyl Alcohol Chemistry

Benzyl alcohol is an aromatic alcohol.

Its condensed structural formula is:

C₆H₅CH₂OH

Its molecular formula is:

C₇H₈O

The molecule consists of:

• A phenyl ring
• A methylene group
• A hydroxyl group

In laboratory settings, benzyl alcohol may be encountered in research involving:

• Preservative chemistry
• Solvent systems
• Analytical chemistry
• Formulation research
• Microbial-growth studies
• Stability testing

Its behavior depends strongly on concentration and the surrounding formulation.

Why Is Benzyl Alcohol Used in Bacteriostatic Solutions?

The term bacteriostatic describes inhibition of bacterial growth rather than necessarily killing every microorganism present.

Benzyl alcohol has historically been used as a preservative in some pharmaceutical and laboratory formulations.

At defined concentrations, researchers may investigate its effects on:

• Microbial proliferation
• Solution preservation
• Chemical stability
• Formulation compatibility

The presence of benzyl alcohol does not itself prove that a solution is sterile.

That distinction is especially important for laboratory products.

Is Protide Health Bacteriostatic Water Sterile Water for Injection?

No.

Protide Health’s bacteriostatic water product should be described according to its actual specification:

0.9% w/v benzyl alcohol in deionized water, Laboratory Reagent Grade

It should not be labeled or marketed as:

• Sterile Water for Injection
• Bacteriostatic Water for Injection, USP
• Pharmaceutical diluent
• Injectable diluent
• Compounding water

unless the product has separately met the applicable pharmaceutical standards and regulatory requirements.

The current specification does not make those claims.

Hospira Bacteriostatic Water Search Context

The phrase Hospira bacteriostatic water refers to a specific regulated pharmaceutical product associated with Hospira.

Hospira’s pharmaceutical Bacteriostatic Water for Injection has historically been labeled as a sterile, nonpyrogenic preparation containing water for injection and benzyl alcohol.

That branded pharmaceutical product is separate from the Protide Health research reagent.

Protide Health does not represent its 0.9% benzyl alcohol solution as:

• Hospira product
• Hospira equivalent
• Generic injectable equivalent
• FDA-approved pharmaceutical water

Researchers should compare products according to their actual grade, intended use, analytical documentation, and regulatory classification rather than benzyl alcohol percentage alone.

Bacteriostatic Water for Peptides Search Context

The phrase bacteriostatic water for peptides often reflects interest in preparing peptide products for administration.

Protide Health does not provide human peptide-reconstitution instructions.

The current 0.9% benzyl alcohol solution is supplied solely for laboratory research.

Laboratory researchers may study peptide solutions in contexts involving:

• Solvent compatibility
• Analytical stability
• Degradation
• Preservative interactions
• HPLC analysis
• In-vitro chemistry

Those laboratory applications are different from preparing peptides for injection or other human administration.

Bacteriostatic Water for Injection Search Context

The phrase bacteriostatic water for injection specifically refers to injectable pharmaceutical products and should not be used interchangeably with this Protide Health reagent.

The current product:

• Is not labeled USP
• Is not represented as sterile Water for Injection
• Is not intended for injection
• Is not intended as a pharmaceutical diluent
• Is not intended for medication preparation

Researchers searching for injectable pharmaceutical products should consult appropriately regulated pharmaceutical channels rather than laboratory research reagents.

Bacteriostatic Water CVS Search Context

The phrase bacteriostatic water CVS reflects retail pharmacy search intent.

Availability of pharmaceutical products can vary by:

• Location
• Prescription requirements
• Pharmacy inventory
• Product classification
• State regulations

Protide Health’s laboratory reagent is not presented as a CVS pharmacy product or as a substitute for prescription Bacteriostatic Water for Injection.

The Protide Health product should be evaluated solely as a research reagent.

Bacteriostatic Water Near Me Search Context

The keyword bacteriostatic water near me generally indicates local purchasing intent.

For laboratory sourcing, researchers should distinguish between:

• Pharmaceutical Bacteriostatic Water for Injection
• Laboratory benzyl alcohol solutions
• Sterile Water for Injection
• Purified or deionized laboratory water
• Preservative-containing research reagents

These products can have very different manufacturing standards and intended uses despite similar terminology.

Protide Health supplies this product solely as a laboratory-grade 0.9% benzyl alcohol solution.

Where to Buy Bacteriostatic Water

The search phrase where to buy bacteriostatic water can refer to several different product categories.

Qualified researchers sourcing laboratory material should review:

• Actual composition
• Benzyl alcohol concentration
• Grade
• Container size
• Water specification
• Storage conditions
• Analytical documentation
• Intended-use statement

Protide Health offers the current bacteriostatic water research reagent in 10mL and 30mL vial formats.

This purchasing context applies only to laboratory research use.

Bacteriostatic Water vs Sterile Water

Bacteriostatic and sterile water terminology should not be conflated.

Sterile Water for Injection

A pharmaceutical product manufactured to applicable sterile injectable standards and generally lacking a bacteriostatic preservative.

Bacteriostatic Water for Injection

A regulated pharmaceutical preparation containing an antimicrobial preservative such as benzyl alcohol.

Protide Health 0.9% Benzyl Alcohol Solution

A Laboratory Reagent Grade aqueous solution supplied for research.

Its intended use and regulatory classification differ from both pharmaceutical categories.

Bacteriostatic Water vs Saline

Bacteriostatic water is also different from saline.

Saline contains sodium chloride.

The Protide Health specification contains:

• Deionized water
• Benzyl alcohol at 9mg/mL

No sodium chloride is specified.

Researchers should not infer isotonicity or saline composition from the term bacteriostatic water.

pH Range

The specified pH range for Protide Health’s 0.9% benzyl alcohol solution is:

5.0–7.0

Actual measured pH can depend on:

• Water quality
• Dissolved gases
• Manufacturing conditions
• Temperature
• Analytical method
• Storage

The finished-product quality-control measurement should be used when exact pH is material to an experiment.

Research Applications

Qualified laboratories may use bacteriostatic water research solutions in appropriately validated studies involving:

• Preservative chemistry
• Microbial-growth inhibition research
• Solution stability
• Formulation research
• Peptide stability models
• Analytical sample preparation
• Chemical compatibility
• Benzyl alcohol quantification
• HPLC method development
• In-vitro research

The suitability of the reagent should be independently evaluated for each experimental protocol.

Related Protide Health Research Materials

Researchers working with independent peptide analytical systems may review BPC-157 research peptide for a structurally unrelated pentadecapeptide research material.

The ARA-290 16mg research peptide provides an 11-amino-acid non-hematopoietic erythropoietin-derived research system.

Researchers may also examine P21 10mg for a chemically distinct experimental peptide.

These products are separate research analytes and should not be interpreted as instructions to use the 0.9% benzyl alcohol solution for human peptide preparation.

Storage

Protide Health supplies the solution in:

• 10mL vial
• 30mL vial

Unopened Storage

Store at:

20°C–25°C

Keep:

• Sealed
• Away from direct light
• Protected from contamination
• Away from excessive heat

After Opening

Refrigeration at:

2°C–8°C

is recommended after opening.

These storage conditions are intended to support research reagent integrity.

They are not pharmaceutical multi-dose-use instructions.

Research Limitations

Several distinctions should be maintained when describing this bacteriostatic water research product:

• It is Laboratory Reagent Grade.
• It contains 0.9% w/v benzyl alcohol.
• 0.9% w/v equals 9mg/mL.
• It uses deionized water according to the supplied specification.
• Benzyl alcohol does not itself establish sterility.
• The product is not represented as sterile Water for Injection.
• It is not Bacteriostatic Water for Injection, USP.
• It is not intended for pharmaceutical compounding.
• It is not intended as an injectable diluent.
• It is not intended for human or veterinary administration.
• Similar concentration does not make it equivalent to branded Hospira Bacteriostatic Water for Injection.
• “Bacteriostatic water for peptides” search intent should not be interpreted as authorization for human peptide reconstitution.

For these reasons, the product should be described clearly as:

0.9% Benzyl Alcohol Laboratory Research Solution

Literature & Reference Context

Researchers can review broader benzyl alcohol, antimicrobial-preservative, formulation, and laboratory research indexed by PubMed when designing validated analytical studies.

Pharmaceutical publications concerning Bacteriostatic Water for Injection should not automatically be applied to this Laboratory Reagent Grade product because manufacturing requirements, sterility specifications, intended use, and regulatory status differ.

Frequently Asked Questions

What is bacteriostatic water?

Bacteriostatic water broadly refers to water containing a bacteriostatic preservative intended to inhibit microbial growth. This Protide Health research reagent contains 0.9% w/v benzyl alcohol in deionized water.

How much benzyl alcohol does the solution contain?

The concentration is:

9mg/mL

or:

0.9% w/v

How much benzyl alcohol is in a 10mL vial?

At 9mg/mL, a nominal 10mL vial contains:

90mg benzyl alcohol

How much is in a 30mL vial?

At 9mg/mL, a nominal 30mL vial contains:

270mg benzyl alcohol

What is the benzyl alcohol formula?

The condensed formula is:

C₆H₅CH₂OH

The molecular formula is:

C₇H₈O

Is this Bacteriostatic Water for Injection?

No. This product is a Laboratory Reagent Grade 0.9% benzyl alcohol solution and is not Bacteriostatic Water for Injection, USP.

Is this Hospira bacteriostatic water?

No. Hospira bacteriostatic water refers to a separate branded pharmaceutical product. Protide Health does not represent this research reagent as Hospira or as a pharmaceutical equivalent.

Can this bacteriostatic water be injected?

No. It is not intended for injection or any human or veterinary administration.

Is this bacteriostatic water for peptides?

It may be used only in appropriate laboratory peptide-research workflows. The phrase bacteriostatic water for peptidesmust not be interpreted as instructions for preparing peptides for human use.

What is bacteriostatic water for injection?

Bacteriostatic Water for Injection is a regulated pharmaceutical preparation manufactured to specific injectable-product standards. This Protide Health product is not in that category.

Is bacteriostatic water available at CVS?

The phrase bacteriostatic water CVS refers to retail pharmacy availability and not this laboratory reagent. Protide Health does not represent the product as a pharmacy injectable.

What does bacteriostatic water near me mean?

Bacteriostatic water near me is a local purchasing search. Researchers should confirm whether a product is pharmaceutical injection-grade or Laboratory Reagent Grade before comparing products.

Where to buy bacteriostatic water for laboratory research?

Protide Health supplies this 0.9% benzyl alcohol solution in 10mL and 30mL formats exclusively for qualified laboratory research.

What is the specified pH?

The supplied specification is:

pH 5.0–7.0

How should the reagent be stored?

Unopened vials should be stored at 20°C–25°C, sealed and away from direct light. After opening, refrigeration at 2°C–8°C is recommended.

Is this product approved for medical or compounding use?

No. It is not intended for therapeutic, clinical, diagnostic, injection, or compounding purposes.

Laboratory Terms & Compliance

Laboratory Research Use Only

This bacteriostatic water research product is supplied exclusively as a 0.9% benzyl alcohol aqueous laboratory reagent for bona fide analytical chemistry, solution-stability research, preservative studies, peptide-analysis workflows, in-vitro research, and related qualified laboratory applications.

It is not intended for human or veterinary consumption or administration, injection, medication preparation, pharmaceutical compounding, peptide reconstitution for human use, diagnostic use, therapeutic use, clinical use, or topical application.

The product should not be marketed or represented as:

• Bacteriostatic Water for Injection, USP
• Sterile Water for Injection
• Hospira Bacteriostatic Water
• An FDA-approved drug product
• A pharmaceutical injectable diluent

The purchaser is responsible for appropriate laboratory handling, storage, validation, and use under applicable institutional, federal, state, and local requirements.

For research use only.