32222-M

Dichloromethane

puriss. p.a., ACS reagent, reag. ISO, ≥99.9% (GC)

• Synonym(s): methylene chloride, Methylene chloride
• Empirical Formula (Hill Notation): CH₂Cl₂
• CAS Number: 75-09-2
• Molecular Weight: 84.93
• UNSPSC Code: 12352101
• NACRES: NA.21
• PubChem Substance ID: 329754106
• EC Number: 200-838-9
• Beilstein/REAXYS Number: 1730800
• MDL number: MFCD00000881
• Assay: ≥99.9% (GC)
• Technique(s): GC/GC: suitable
• Bp: 39.8-40 °C (lit.)
• Vapor pressure: 24.45 psi ( 55 °C), 6.83 psi ( 20 °C)

Properties

• Quality Level: 200
• agency: reag. ISO
• vapor density: 2.9 (vs air)
• vapor pressure: 24.45 psi ( 55 °C), 6.83 psi ( 20 °C)
• grade: ACS reagent, puriss. p.a.
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 1223 °F
• contains: 10-60 ppm amylene as stabilizer
• expl. lim.: 22 %
• technique(s): GC/GC: suitable
• impurities: ≤0.00002% free chlorine (Cl), ≤0.0005% formaldehyde, ≤0.001% free acid (as HCl), ≤0.001% non-volatile matter, ≤0.01% chloroform (GC), ≤0.01% tetrachloromethane (GC), ≤0.01% water (Karl Fischer), ≤0.05% ethanol (GC)
• refractive index: n20/D 1.4235-1.4245, n20/D 1.424 (lit.)
• bp: 39.8-40 °C (lit.)
• mp: −95 °C (lit.)
• density: 1.320-1.330 g/L at 20 °C, 1.325 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.5 mg/kg
• SMILES string: ClCCl
• cation traces: Al: ≤0.5 mg/kg, B: ≤0.02 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.10 ppm, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.50 ppm, Li: ≤0.10 ppm, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.10 ppm, Na: ≤0.50 ppm, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sn: ≤0.1 mg/kg, Sr: ≤0.1 ppm, Zn: ≤0.1 mg/kg
• suitability: passes test for reaction against H₂SO₄
• InChI: 1S/CH2Cl2/c2-1-3/h1H2
• InChI key: YMWUJEATGCHHMB-UHFFFAOYSA-N

Description

General description

Dichloromethane has been tested as a solvent medium for dipyridine-chromium(VI) oxide. Solubility was reported to be 12.5g/100ml. The apparent adsorption constant of the TiO₂ loaded activated carbon for dichloromethane was found to be inversely proportional to the quantity of loaded TiO₂.

Application

Dichloromethane may be used as a solvent for the preparation of stock solutions of carotenoids.[1] It may be employed as a solvent in the synthesis of polylactide-based (PLA) thin films.[2]

Safety Information

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H315,H319,H336,H351
• pcodes: 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: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable