Phenolphthalein Solution – 500ml Packs

Phenolphthalein Solution is a phenolphthalein-based indicator solution used for selected laboratory investigations and supervised educational demonstrations. It is characterised by a solution of an organic acid–base indicator that is colourless in acidic conditions and pink in moderately alkaline media. Understanding its chemical identity and physical behaviour helps students, technicians and research personnel select suitable methods, sample containers and analytical controls. In chemical and scientific teaching, this material can support experiments related to its established properties, while its compatibility with a particular assay depends on the actual preparation and procedure. This listing is supplied as 500ml Packs, and the pack size should not be confused with concentration or chemical composition. Laboratory personnel should review the applicable safety data and confirm product-specific formulation details before selecting it for sensitive analyses. Use in schools and colleges requires age-appropriate supervision, and use in advanced work should follow validated laboratory protocols.

Product Specifications

Specification	Details
Appearance	Colourless liquid
Assay	99%
Chemical Name	Phenolphthalein Solution
Alternate Names	Phenolphthalein indicator; phenolphthalein reagent
Molecular Formula	C20H14O4 (solute); solvent unspecified
Empirical Formula	C10H7O2 (solute)
CAS Number	77-09-8 (phenolphthalein)
Molecular Weight	318.32 g/mol (phenolphthalein solute)
Grade	LR Laboratory Reagent

Key Features of Phenolphthalein Solution

• Chemical identity: phenolphthalein-based indicator solution; a solution of an organic acid–base indicator that is colourless in acidic conditions and pink in moderately alkaline media.
• Physical form: colourless liquid, supporting appropriate laboratory handling and observation.
• Known names include Phenolphthalein indicator; phenolphthalein reagent; identity should be matched to the intended procedure.
• Useful in selected chemistry, analytical or educational work, subject to a method’s requirements.
• Packaged as 500ml Packs; suitability depends on actual formulation, not package size.

Laboratory Applications of Phenolphthalein Solution

• Endpoint indication in acid–base titrations. Follow the specific laboratory method and relevant safety controls.
• Comparative pH-indicator transition studies. Follow the specific laboratory method and relevant safety controls.
• Demonstration of reversible colour changes. Follow the specific laboratory method and relevant safety controls.
• Alkalinity testing in suitable laboratory methods. Follow the specific laboratory method and relevant safety controls.
• Preparation of indicator-based educational experiments. Follow the specific laboratory method and relevant safety controls.

Why Choose Lab Wale to Buy Phenolphthalein Solution

Lab Wale provides a purchasing reference for Phenolphthalein Solution in laboratory supply workflows serving educational institutions, research centres and scientific laboratories. The stated pack size, chemical identity and available specification information can help buyers compare the material with their intended experiment or analytical method. For solutions or natural mixtures, confirm the required concentration, composition and compatibility before ordering. Laboratory staff should also review relevant handling information and ensure that the chosen form meets the needs of their procedure.

Frequently Asked Questions About Phenolphthalein Solution

What is Phenolphthalein Solution used for in laboratories?

Phenolphthalein Solution is used in specific analytical and teaching contexts, including endpoint indication in acid–base titrations. Its suitability depends on the exact experimental conditions, available instruments and chemical composition. Laboratory professionals should follow a validated method instead of assuming that every formulation is interchangeable.

What is the chemical composition of Phenolphthalein Solution?

A solution of an organic acid–base indicator that is colourless in acidic conditions and pink in moderately alkaline media. For this listing, the formula is described as C20H14O4 (solute); solvent unspecified and the relevant CAS identification is 77-09-8 (phenolphthalein). Mixtures and solutions cannot reliably be assigned one molecular formula or one molecular weight without specifying their components.

Is Phenolphthalein Solution suitable for school and research laboratories?

It may be used in suitable educational or research procedures when the experiment is scientifically justified and laboratory facilities are adequate. Hazardous reagents must be restricted to trained users and supervised work. The specified laboratory reagent grade alone does not establish suitability for every analytical method.

How should Phenolphthalein Solution be stored?

Store closed, protected from strong light and heat, and observe any solvent-specific flammable-liquid storage requirements. Staff should read the current safety data sheet and label to verify additional requirements for the particular formulation, including temperature restrictions or incompatibilities. Use compatible containers and avoid transferring material into poorly identified vessels.

What precautions apply when handling Phenolphthalein Solution?

Phenolphthalein has health concerns, and alcoholic formulations can be flammable; use PPE and ventilation. Review the current safety data sheet and institutional procedures, including appropriate spill response and waste handling. Where a preparation is composition-dependent, obtain that formulation’s hazard information rather than relying only on its general reagent name.

Storage Conditions for Phenolphthalein Solution

Store closed, protected from strong light and heat, and observe any solvent-specific flammable-liquid storage requirements. Always consult the product-specific safety data sheet and container label before storage. Keep the original identity and pack label legible, use appropriate secondary containment where needed, and separate incompatible reagents. Do not assume that an unspecified solution has the same storage requirements as the pure chemical.

Precautions for Handling Phenolphthalein Solution

Phenolphthalein has health concerns, and alcoholic formulations can be flammable; use PPE and ventilation. Consult the current Safety Data Sheet (SDS) before use, wear suitable gloves and eye protection, and use appropriate ventilation for the material. Avoid unapproved mixing, exposure by inhalation or contact, and uncontrolled disposal. Follow institutional spill-response and waste-segregation procedures. Hazardous procedures require trained personnel, appropriate facilities and supervision.