34856-100MLSIG

Application

Dichloromethane may be used in ultrasonic baths for cleaning and protection of aluminum coating over atactic-PMMA (poly(methyl methacrylate)) for dielectric studies.

General description

Dichloromethane has been tested as a solvent medium for dipyridine-chromium(VI) oxide. Solubility was reported to be 12.5g/100ml. Role of the quantity of TiO₂ loading on activated carbon support on dichloromethane photodecomposition has been investigated.

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Other Notes

Important notice The article number 34856-4X2.5L will be discontinued. Please order the single bottle 34856-2.5L which is physically identical with the same exact specifications. The article number 34855-6X1L will be discontinued. Please order the single bottle 34856-1L which is physically identical with the same exact specifications.

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

Packaging

18 L in Pure-Pac™ 1

100 mL in glass bottle

200 L in Pure-Pac™ 2

View returnable container options.

1, 6×1, 4×2.5, 4, 4×4 L in glass bottle

200 L in Pure-Pac™ 1

50 L in Pure-Pac™ 2

Preparation Note

Product filtered through a 0.2 µm filter

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absorption	in accordance
application(s)	food and beverages
assay	≥99.8%
autoignition temp.	1223 °F
bp	39.8-40 °C (lit.)
color	APHA: ≤10
contains	amylene as stabilizer
density	1.325 g/mL at 25 °C (lit.)
expl. lim.	22 %
form	liquid
impurities	free chlorine, in accordance, ≤0.001% free acid (as HCl), ≤0.001% non-volatile matter, ≤0.02% water (Karl Fischer)
InChI key	YMWUJEATGCHHMB-UHFFFAOYSA-N
InChI	1S/CH2Cl2/c2-1-3/h1H2
mp	−97 °C (lit.)
Quality Level	100
refractive index	n20/D 1.424 (lit.)
SMILES string	ClCCl
technique(s)	HPLC: suitable
transmittance	240 nm, ≥50%, 235 nm, ≥20%, 245 nm, ≥80%, 260 nm, ≥98%
vapor density	2.9 (vs air)
vapor pressure	6.83 psi ( 20 °C), 24.45 psi ( 55 °C)