Description
Dichloromethane acidified is a pharmacopoeia-quality laboratory reagent specified as Reag. Ph. Eur., Chapter 4.1.1, reference 1055901, with CAS number 75-09-2 and empirical formula CH₂Cl₂. Molar mass is 84,93 g/mol, density is 1,31 g/cm³ and the boiling point is 40 °C. The EG number is 200-838-9. The product is supplied in a 100 ml glass pack for laboratory work that requires European Pharmacopoeia reagents of defined composition. This acidified dichloromethane from manufacturer Carl ROTH is intended for laboratories that specify the Chapter 4.1.1 reagent rather than an unspecified dichloromethane grade. It belongs to chemicals in pharmacopoeia quality and to reagents and volumetric standard solutions (Ph. Eur.), Reagents 4.1.1. The 100 ml glass container is the stated pack size for this article. Physical data (molar mass 84,93 g/mol, density 1,31 g/cm³, boiling point 40 °C) correspond to dichloromethane (CH₂Cl₂) as the principal constituent. Select this article when methods call for acidified dichloromethane Reag. Ph. Eur. (1055901), so that reagent identity remains consistent with the pharmacopoeial chapter and the listed CAS number 75-09-2.
Key features
- CAS number: 75-09-2
- Pack size: 100 ml glass
- EG nr.: 200-838-9
- Empirical formula: CH₂Cl₂
- Molar mass: 84,93 g/mol
- Density: 1,31 g/cm³
- UNSPSC: 12190000
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
WarningHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Dichloromethane acidified, Reag. Ph. Eur.
What is this article?
Dichloromethane acidified, 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.
Which category should I open next?
The category is Solvents. The sub-category is Analytical grade solvents (p.a.). The catalogue is Lab chemicals.
Shelves beside this one are HPLC & LC-MS grade solvents, Dry & deuterated solvents (NMR, synthesis), Technical & synthesis grade solvents and Green & alternative solvents.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.
