650463

Dichloromethane

HPLC Plus, for HPLC, GC, and residue analysis, ≥99.9%, contains 50-150 ppm amylene as stabilizer

• Synonym(s): methylene chloride, Methylene chloride
• Empirical Formula (Hill Notation): CH₂Cl₂
• CAS Number: 75-09-2
• Molecular Weight: 84.93
• Beilstein: 1730800
• EC Number: 200-838-9
• MDL number: MFCD00000881
• UNSPSC Code: 12190000
• PubChem Substance ID: 329760022
• NACRES: NA.04
• grade: HPLC Plus; for residue analysis
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• bp: 39.8-40 °C (lit.)
• vapor pressure: 24.45 psi ( 55 °C); 6.83 psi ( 20 °C)

Properties

• grade: HPLC Plus; for residue analysis
• Quality Level: 100
• vapor density: 2.9 (vs air)
• vapor pressure: 24.45 psi ( 55 °C); 6.83 psi ( 20 °C)
• Assay: ≥99.9%
• form: liquid
• autoignition temp.: 1223 °F
• contains: 50-150 ppm amylene as stabilizer
• expl. lim.: 22 %
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• impurities: ≤ 1.0 ppb Fluorescence (quinine) at 365 nm; ≤0.01% water
• evapn. residue: ≤0.0001%
• halogenated residue: ≤10 ng/L (as heptachlor epoxide)
• refractive index: n20/D 1.424 (lit.)
• bp: 39.8-40 °C (lit.)
• mp: −95 °C (lit.)
• density: 1.325 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 235 nm A_max: 1.0; λ: 240 nm A_max: 0.10; λ: 250 nm A_max: 0.02; λ: 300-400 nm A_max: 0.005
• suitability: suitable for residue analysis
• SMILES string: ClCCl
• InChI: 1S/CH2Cl2/c2-1-3/h1H2
• InChI key: YMWUJEATGCHHMB-UHFFFAOYSA-N

Description

General description

Dichloromethane is a polar and highly volatile organic compound (VOC), known for its versatile use in industries as an extraction solvent and metal cleaner and consumer products such as adhesives, spray shoe polishes, paint, and adhesive removers.

Application

Dichloromethane may be used in the following:

• Extraction of neonicotinoids from honey samples along with acetonitrile using dispersive liquid-liquid microextraction (DLLME)
• Ultrasonic solvent extraction and clean-up of roasted coffee samples for the analysis of 7 pesticide residues by liquid chromatography-tandem mass spectrometry (LC-MS/MS)
• DLLME based additional pre-concentration of the sample extracts in the analysis of three amphenicols in food products of animal origin by HPLC with UV detection
• Removal of organic phase of the obtained soil sample extracts in the determination of two sulfonylurea herbicides using HPLC
• Testing of four extraction solvents in the development of a HPLC-amperometric detection based method for the analysis of three carbamate residues in liquid and solid food samples
• Extraction of metrafenone from vegetable samples by matrix solid-phase dispersion (MSPD method followed by HPLC analysis

Suitable for HPLC, spectrophotometry, environmental testing

Packaging

M-Bottle for Solvents
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Other Notes

Pesticide Residue Analysis (as Heptachlor Epoxide) <10 ng/L

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

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Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS08,GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H336,H351
• Precautionary Statements: P202 - P261 - P264 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Central nervous system
• Storage Class Code: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 2
• Flash Point(F): does not flash
• Flash Point(C): does not flash