Methylene chloride USP-NF 25LT Go Back


: 75-09-2

Molecular Formula

: ClCH2Cl

Molecular Weight

: 84.93
Description: Clear, colourless, mobile liquid, having an odor resembling that of chloroform.
Solubility: Miscible with alcohol, with ether, and with fixed and volatile oils.
Identification by IR: The IR absorption spectrum of the vapor should show strong doublet peaks at 7.8 µm and 7.9 µm and at 13.2 µm and 13.4 µm and relatively few minor peaks
Assay: Not Less Than 99.0%
Limit of Non-volatile residue: Not more than 0.002%; Not more than 1mg of Residue
Limit of hydrogen chloride: Not more than 0.001%
Specific gravity,25°C: Between 1.318 - 1.322
Water: Not more than 0.02%
Free Chlorine (Cl): The lower layer does not show a violet tint.
2-methylbut-2-ene as stabilizer: Not more than 300 ppm v/v
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