Description
Phenolphthalein indicator solution is a ready-to-use analytical reagent at 0,5 % in ethanol 90 %, denatured, intended for acid–base titration and clear visual endpoint detection. The preparation shows a density of 0,82 g/cm³, a flash point of 17 °C and a boiling point of 78 °C, consistent with its ethanolic carrier (UN number 1170). This solution from manufacturer Carl ROTH sits in the ready-to-use indicator range and can be applied directly without further dilution. The denatured ethanol matrix aids handling in burettes and qualitative tests, while the stated physical data help laboratories plan safe use of a flammable liquid. Typical applications include neutralization titrations, alkalinity checks and instructional demonstrations that rely on a stable, pre-adjusted indicator concentration and a convenient bottle size for daily bench use.
This article is part of Indicators & indicator solutions, in Analytical standards & reference materials.
Key features
- Pack sizes: 250 ml, 500 ml
- Density: 0,82 g/cm³
- Flash point: 17 °C
- Boiling point: 78 °C
- Concentration: 0,5 % in ethanol 90 %, denatured
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
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Hazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Phenolphthalein indicator solution, 0,5 % in ethanol 90 %, denatured, 250 ml
What is this article?
Phenolphthalein indicator solution, 0,5 % in ethanol 90 %, denatured, 250 ml is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Indicators & indicator solutions, inside Analytical standards & reference materials, in Lab chemicals.
An indicator solution changes colour at a stated point, usually a pH interval or a redox potential, so a titration endpoint can be seen. The solvent and the concentration decide how sharp the change is. A solid indicator dye and a ready solution are different articles.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
Which category should I open next?
The category is Analytical standards & reference materials. The sub-category is Indicators & indicator solutions. The catalogue is Lab chemicals.
Shelves beside this one are ICP, AAS & ion standards, Chromatography standards (GC, HPLC, pesticides), Reference substances & reagents (other), Volumetric standard solutions (titration), Reagents for analysis (Ph. Eur., ASTM, DIN) and Spectroscopy & physical property standards.
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