Methanol - HPLC-UV, Reagent ACS/NF Grade


CAS# 67-56-1

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Property Unit: Specification:
Assay (GC) % 99.9 Minimum
Color APHA 10 Maximum
Appearance   Clear
Substances Darkened by H2SO4   To Pass Test
Substances Reducing KmnO4   To Pass Test
Residue after Evaporation ppm 5 Maximum
Water % 0.05 Maximum
Solubility in Water   To Pass Test
Carbonyl Compounds, % (Acetone, Formaldehyde, Acetaldehyde)   0.001 Maximum
Titrable Acid meq/g 0.0003 Maximum
Titrable Base meq/g 0.0002 Maximum
Identification (IR)   To Pass Test
Acidity (NF)   To Pass Test(s)
Alkalinity (as NH4)(NF) ppm 3 Maximum
Readily Carbonizable Substances   To Pass Test
Acetone & Aldehydes (NF) % 0.003
Readily Oxidizable Substances   To Pass Test
Organic Volatile Impurities   To Pass Test
Liquid Chromatography (ACS)   To Pass Test(s)
UV Absorbance @
205 nm   1.00 Maximum
210 nm   0.80 Maximum
220 nm   0.40 Maximum
230 nm   0.20 Maximum
240 nm   0.10 Maximum
260 nm   0.04 Maximum
400-280 nm   0.01 Maximum
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