Phenol Red Solution – 500ml Packs

Phenol Red Solution is a acid–base indicator solution used for selected laboratory investigations and supervised educational demonstrations. It is characterised by a pH-responsive sulfonphthalein dye solution, commonly changing colour around neutral to mildly alkaline pH. 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	Red to orange-red liquid
Assay	99%
Chemical Name	Phenol Red Solution
Alternate Names	Phenolsulfonphthalein indicator solution; phenol red reagent
Molecular Formula	C19H14O5S (dye); solvent unspecified
Empirical Formula	C19H14O5S (dye)
CAS Number	143-74-8 (phenol red)
Molecular Weight	354.38 g/mol (phenol red dye)
Grade	LR Laboratory Reagent

Key Features of Phenol Red Solution

• Chemical identity: acid–base indicator solution; a pH-responsive sulfonphthalein dye solution, commonly changing colour around neutral to mildly alkaline pH.
• Physical form: red to orange-red liquid, supporting appropriate laboratory handling and observation.
• Known names include Phenolsulfonphthalein indicator solution; phenol red 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 Phenol Red Solution

• Visual demonstration of acid–base indicator transitions. Follow the specific laboratory method and relevant safety controls.
• Colour monitoring in buffer experiments. Follow the specific laboratory method and relevant safety controls.
• Indicator comparison across selected pH standards. Follow the specific laboratory method and relevant safety controls.
• Teaching demonstrations of acidification and alkalization. Follow the specific laboratory method and relevant safety controls.
• Selected microbiology media pH indication when formulation is suitable. Follow the specific laboratory method and relevant safety controls.

Why Choose Lab Wale to Buy Phenol Red Solution

Lab Wale provides a purchasing reference for Phenol Red 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 Phenol Red Solution

What is Phenol Red Solution used for in laboratories?

Phenol Red Solution is used in specific analytical and teaching contexts, including visual demonstration of acid–base indicator transitions. 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 Phenol Red Solution?

A ph-responsive sulfonphthalein dye solution, commonly changing colour around neutral to mildly alkaline ph. For this listing, the formula is described as C19H14O5S (dye); solvent unspecified and the relevant CAS identification is 143-74-8 (phenol red). Mixtures and solutions cannot reliably be assigned one molecular formula or one molecular weight without specifying their components.

Is Phenol Red 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 Phenol Red Solution be stored?

Store sealed and light-protected; follow solvent-dependent storage precautions from the product SDS. 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 Phenol Red Solution?

Use splash protection and avoid ingestion or contact; determine any alcohol-related flammability from the exact formulation. 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 Phenol Red Solution

Store sealed and light-protected; follow solvent-dependent storage precautions from the product SDS. 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 Phenol Red Solution

Use splash protection and avoid ingestion or contact; determine any alcohol-related flammability from the exact formulation. 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.