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D0831 Dichloromethane

Grade: ChemSolv
Synonyms: Methylene chloride, DCM
CAS# 75-09-2
Formula: CH2Cl2
DOT Shipping: UN1593, Dichloromethane, 6.1, III


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COA


Specifications

Assay (by GC-FID, excluding Amylenes)99.9% min
Color (APHA)10 max
ECD Responsive Residue (as Heptachlorepoxide)10 ppt max
FID Responsive Residue (as 2-Octanol)5 ppb max
Fluorescence at emission max / impurities1 ppb max
Optical Absorbance @ 233nm, max1.00 AU
Optical Absorbance @ 240nm, max0.12 AU
Optical Absorbance @ 254 nm, max0.01 AU
Optical Absorbance @ 350nm, max0.005 AU
Residue after Evaporation1 ppm max
Stabilizer (as Amylenes)100-200 ppm
Water (by KF coulometry)0.01% max