Description
Xylenol orange solution is a pharmacopoeia-quality laboratory reagent specified as Reag. Ph. Eur., Chapter 4.1.1, 1096302, with CAS number 3618-43-7 and empirical formula C₃₁H₂₈N₂Na₄O₁₃S. The molar mass is 760,59 g/mol. Offered in a 100 ml plastic pack, the solution has a density of approximately 1 g/cm³ and a boiling point of 100 °C. EG number 222-805-8 is assigned to the substance. This xylenol orange solution from manufacturer Carl ROTH belongs to the Reagents 4.1.1 group used where European Pharmacopoeia Chapter 4.1.1 reagents are required. The 100 ml plastic presentation suits routine dispensing in analytical laboratories working to pharmacopoeial methods. The filled 100 ml pack weighs 0,200 kg. Documented physical data, including molar mass 760,59 g/mol, density ~1 g/cm³ and boiling point 100 °C, can be transferred directly into reagent records. Selection of this listed 1096302 xylenol orange solution helps keep reagent identity consistent with Reag. Ph. Eur. Chapter 4.1.1 without substituting an unlisted grade.
This article is part of Indicators & indicator solutions, in Analytical standards & reference materials.
Key features
- CAS number: 3618-43-7
- Pack size: 100 ml plastic
- EG nr.: 222-805-8
- Empirical formula: C₃₁H₂₈N₂Na₄O₁₃S
- Molar mass: 760,59 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Xylenol orange solution, Reag. Ph. Eur., 100 ml
What is this article?
Xylenol orange solution, Reag. Ph. Eur., 100 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.
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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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