C2H3N
Acetonitrile Peptide preparative
High purity acetonitrile for solid phase peptide synthesis. Acetonitrile is a solvent of choice for coupling Fmoc-amino acids on free amino acids. It is an alternative for peptide synthesis on solid-phase peptide synthesis in the absence of DMF.
Main characteristics
M | 41.04 |
---|
D | 0.786 |
---|
b.p | 81-82 °C |
---|
m.p | -46 °C |
---|
Product specificities
Clear colorless liquid |
Complying |
Acidity (as Acetic acid) |
max. 0.0015% |
Alkalinity (as Ammonia) |
max. 0.0002% |
Assay (GC on anhydrous basis) |
min. 99.95% |
Other impurities |
max. 0.01% |
Propionitrile |
max. 0.04% |
Iron (Fe) |
max. 0.1ppm |
Residue after evaporation |
max. 0.0002%w/w |
Water (KF) |
max. 0.03%w/w |
Acrylonitrile |
max. 5ppm |
Allyl alcohol |
max. 5ppm |
Methacrylonitrile |
max. 5ppm |
Acetamide |
max. 3ppm |
UV Trans. 200nm |
min. 75% |
UV Trans. 205nm |
min. 80% |
UV Trans. 210nm |
min. 85% |
UV Trans. 215nm |
min. 88% |
UV Trans. 220nm |
min. 90% |
UV Trans. 225nm |
min. 92% |
UV Trans. 230nm |
min. 95% |
UV Trans. 235nm |
min. 97% |
UV Trans. 240nm |
min. 98% |
UV Trans. 245nm |
min. 99% |
UV Trans. 250nm |
min. 99% |
Identity (GC) |
Complying |