Suggested Applications: HPLC, GC, Spectrophotometry
Synonyms: DMSO, Methyl sulfoxide
Structural Formula: (CH3)2SO
CAS number: 67-68-5
Hazard Class: Non-regulated
Package Group: Non-regulated
UN number: Non-regulated
Specifications
GC Analysis: 99.5% min.
Refractive Index (20°C): 1.4770 - 1.4800
UV Absorbance @ 275 nm: 0.500 AU max.
UV Absorbance @ 300 nm: 0.200 AU max.
UV Absorbance @ 350 nm: 0.020 AU max.
UV Absorbance @ 400 nm: 0.005 AU max.
Water by Karl Fischer Titration: 0.04% max.
Physical Properties
Density (g/mL) at 20°C: 1.1004
Molecular Weight: 78.13
Boiling Point (°C): 189.0
Freezing Point (°C): 18.5
Flashpoint (°C): 95