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Chemistry > Solvent Center > Solvent Center - Dichloromethane > Specification Comparison
Solvents -- Dichloromethane

Specification Comparison
Dichloromethane Specification Comparison PDF version (119 kb)

Sigma-Aldrich Dichloromethane Specifications Comparison
  CHROMASOLV
Plus		 CHROMASOLV
for HPLC		 Biotech Anhydrous ACS
Spectro-
photometric		 ACS
Purity ≥99.9% ≥99.8% 99.9% ≥99.8% ≥99.5% ≥99.5%
UV Absorption
λ: 235 nm ≤1.00 ≤0.70 ≤1.00   ≤1.00  
λ: 240 nm ≤0.10 ≤0.30 ≤0.20   ≤0.35  
λ: 245 nm   ≤0.10        
λ: 250 nm ≤0.02   ≤0.05   ≤0.10  
λ: 260 nm   ≤0.01 ≤0.02   ≤0.04  
λ: 300 nm ≤0.005          
λ: 340 nm     ≤0.01   ≤0.01  
λ: 400 nm ≤0.005   ≤0.01   ≤0.01  
Total Impurities
Stabilizer 50-150 ppm Amylene 50-150 ppm Amylene 50-150 ppm Amylene 50-150 ppm Amylene 50-150 ppm Amylene 50 ppm Amylene
Water ≤0.01% ≤0.02% ≤0.002% ≤0.001% ≤0.02% ≤0.02%
      ≤0.005% (100mL)    
Evaporation Residue ≤0.0001% ≤0.001% ≤0.0003% ≤0.0005% ≤0.002% ≤0.002%
Halogenated Residue ≤10 ng/L (as Heptachlor epoxide)       Passes Test Passes Test
Fluorescence 365 nm ≤1.0 ppb          
Titratable acid   ≤0.001% free acid (as HCL)     ≤0.0003 meq/g ≤0.0003 meq/g
Free Halogens         Passes Test Passes Test
Packaging Options
  CHROMASOLV
Plus		 CHROMASOLV
for HPLC		 Biotech Anhydrous ACS
Spectro-
photometric		 ACS
Glass Bottle 650463 34856     154792 D65100
PVC Coated Bottle   439223       320269
Sure/Seal™     494453 270997    
Aluminum Bottle           676853
Pure-Pac™   34856   270997    
Carbon Steel           D65100
Drum   439223       D65100

For a complete list of all available unit sizes and product specifications,
simply click on the product numbers above!