Description
Dichloromethane is a ROTISOLV® HPLC solvent with a minimum assay of 99,9 %, stabilised with ethanol and amylene. It is defined by CAS number 75-09-2 and empirical formula CH₂Cl₂, with a molar mass of 84,93 g/mol and a density of 1,33 g/cm³. The boiling point is 40 °C. Delivered as 2,5 l in glass from manufacturer Carl ROTH, this chlorinated solvent is widely used in liquid chromatography and related laboratory operations that require high-purity dichloromethane. The HPLC-oriented ROTISOLV® grade supports analytical work where solvent consistency influences separation quality and detection performance. Stabilisation with ethanol and amylene addresses storage and handling stability for routine use. The relatively low boiling point is relevant for concentration and work-up steps. Laboratories performing HPLC, sample preparation and general LC workflows can employ this reagent when dichloromethane of defined purity is required.
This article is part of HPLC & LC-MS grade solvents, in Solvents. See also Analytical grade solvents (p.a.).
Key features
- Assay: ≥99.9 %
- Colour (APHA): ≤10
- Acidity (as HCl): ≤0.001 %
- Water (KF): ≤0.02 %
- Evaporation residue: ≤0.0003 %
- 235 nm: ≥40 %
- 240 nm: ≥78 %
- 245 nm: ≥90 %
- 260 nm: ≥99 %
- CAS number: 75-09-2
- Pack size: 2,5 l glass
- EG nr.: 200-838-9
- Empirical formula: CH₂Cl₂
- Molar mass: 84,93 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
Warning
Hazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Dichloromethane, ROTISOLV® min. 99,9 %, HPLC, stab. ethanol, 2.5 l, glass
What is this article?
Dichloromethane, ROTISOLV® min. 99,9 %, HPLC, stab. ethanol, 2.5 l, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in HPLC & LC-MS grade solvents, inside Solvents, in Lab chemicals.
HPLC grade limits the absorbance and the residue that would appear as peaks or baseline drift. LC-MS grade goes further on metal ions and on particles that would suppress a mass spectrum. A solvent that is only analytical grade is a false economy on an LC-MS system.
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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Shelves beside this one are Analytical grade solvents (p.a.), Dry & deuterated solvents (NMR, synthesis), Technical & synthesis grade solvents and Green & alternative solvents.
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