Application
- Acid–base titration indicator in chemical analysis
- Determination of acidity/alkalinity in dairy, chemical, and pharma labs
- Educational laboratory experiments and volumetric analysis
- pH indication in analytical procedures
Compliance Standard
- Conforms to AR / LR Grade specifications (as applicable)
- As per ISO / ACS reagent quality standards
- Packed and labeled as per GHS laboratory safety norms
Product Description
Phenolphthalein is a white to faint yellow crystalline powder used as a visual indicator in acid–base titrations. Commonly prepared as a 1% solution in ethanol for laboratory use. It remains colorless in acidic medium and turns pink in alkaline medium, making it ideal for endpoint detection in titration.
Technical Specifications
|
Parameter |
Specification |
|
Chemical Name |
Phenolphthalein |
|
Chemical Formula |
C??H??O? |
|
Molecular Weight |
318.32 g/mol |
|
Form |
Crystalline powder / prepared solution |
|
Grade |
AR / LR Grade |
|
Solubility |
Soluble in alcohol, slightly soluble in water |
|
Indicator Range (pH) |
8.2 – 10.0 |
|
Color Change |
Colorless (acidic) to Pink (alkaline) |
Apparatus is Supplied
- Phenolphthalein powder bottle or ready 1% indicator solution bottle
- Proper labeling and safety instructions
Common Capacities Available
Powder:
- 10 grams
- 25 grams
- 50 grams
Solution (1% in ethanol):
- 100 ml
- 250 ml
- 500 ml
Optional Accessories
- Dropper bottle for indicator use
- SDS / MSDS copy
- Measuring dropper
Dimensions & Weight (Approx.) (for 100 ml solution pack)
|
Parameter |
Value |
|
Bottle Height |
~110 mm |
|
Bottle Diameter |
~45 mm |
|
Gross Weight |
~120 grams |