Description
Sodium hydroxide solution in methanol is a European Pharmacopoeia reagent (Reag. Ph. Eur., Chapter 4.1.1, 1081403) identified by CAS number 1310-73-2 and empirical formula NaOH. The solute has a molar mass of 40,01 g/mol. This methanolic sodium hydroxide solution is supplied in a 100 ml pack and has a density of approximately 0,92 g/cm³, a flash point of 27 °C and a boiling point of 65 °C. It is listed among reagents of Chapter 4.1.1 and is used in laboratory settings that require this pharmacopoeial quality. Density, flash point and boiling point data help laboratories plan handling of the methanol-based preparation. The product is available from manufacturer Carl ROTH and carries UN number 1992 together with EG number 215-185-5. The 100 ml unit quantity is a compact laboratory pack for work that specifies sodium hydroxide solution in methanol according to Reag. Ph. Eur. Analytical laboratories can employ this defined reagent wherever Chapter 4.1.1 of the European Pharmacopoeia calls for sodium hydroxide solution in methanol.
Key features
- CAS number: 1310-73-2
- Pack size: 100 ml
- EG nr.: 215-185-5
- Empirical formula: NaOH
- Density: ~0,92 g/cm³
- UNSPSC: 12352305
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
DangerHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Sodium hydroxide solution in methanol, Reag. Ph. Eur.
What is this article?
Sodium hydroxide solution in methanol, Reag. Ph. Eur. is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Analytical grade solvents (p.a.), inside Solvents, in Lab chemicals.
An analytical-grade solvent, often marked p.a., has impurity limits tight enough for classical analysis and for preparing reagents. It is not automatically low enough in UV absorbance for HPLC, and it is not dry enough for a water-sensitive reaction. The grade is the purchase.
A solvent dissolves. The grade says which impurities are low enough for the method. Analytical grade is the ordinary pure solvent. HPLC and LC-MS grades limit the absorbance and the ions that would become peaks or background. A dry solvent has had water removed. A deuterated solvent is for NMR, where the hydrogen signal would otherwise drown the sample. Technical grade is for cleaning and for synthesis that does not need a chromatogram. Identity is on PubChem. Names follow IUPAC. Hazards follow ECHA, the CLP Regulation and REACH.
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