Synonyms: methylene chloride; Methylene chloride
Molecular Formula: CH2Cl2
Molecular Weight: 84.93
Linear Structural Formula: CH2Cl2
MDL Number: MFCD00000881
Purity: >=99.9%
Melting Point: -97 C (lit.)
Density: 1.325 g/mL at 25 C (lit.)
Refractive Index: n20/D 1.424 (lit.)
Application: Suitable for HPLC, spectrophotometry, environmental testing
Legal Information: Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC
Other Notes: Pure-Pac(R) II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
Grade: CHROMASOLV® Plus; for HPLC
Vapor Density: 2.9 (vs air)
Vapor Pressure: 24.45 psi ( 55 °C); 6.83 psi ( 20 °C)
Assay: ≥99.9%
Autoignition Temp.: 1223°F
Contains: 50-150 ppm amylene as stabilizer
Expl. Lim.: 22 %
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: −97 °C(lit.)
Density: 1.325 g/mL at 25 °C(lit.)
λ: H2O reference
UV Absorption: λ: 235 nm Amax: 1.0; λ: 240 nm Amax: 0.10; λ: 250 nm Amax: 0.02; λ: 300-400 nm Amax: 0.005