Meets ACS Specifications
Preservative: Contains Cyclohexene Preservative
Suggested Applications: HPLC, Spectrophotometry, ACS Reagent
Synonyms: Methylene chloride, DCM
Structural Formula: CH2Cl2
CAS number: 75-09-2
Hazard Class: 6,1
Package Group: III
UN number: UN1593
Specifications
Color (APHA): 10 max.
Free Halogens: Passes test
GC Analysis: 99.9% min.
Refractive Index (20°C): 1.4236 - 1.4246
Residue: 3 mg/L max.
Titrable Acid: 0.3 µeq/g max.
UV Absorbance @ 240 nm: 0.200 AU max.
UV Absorbance @ 250 nm: 0.030 AU max.
UV Absorbance @ 300 nm: 0.010 AU max.
UV Absorbance @ 400 nm: 0.005 AU max.
Water by Karl Fischer Titration: 0.02% max.
Surface Tension (dyn/cm) at 20°C: 28.12
Vapor Pressure (Torr) at 20°C: 350.0
Physical Properties
Density (g/mL) at 20°C: 1.3260
Molecular Weight: 84.93
Boiling Point (°C): 39.8
Freezing Point (°C): -95.1
Flashpoint (°C): None
Appearance: Clear