CAS number: 108-65-6
Molecular formula: C6H12O3
molecular weight: 132.158
Chemical structure:
Test Item | Unit | Inspection Method | Standard value | Test result | |
Appearance | – | – | Colorless liquid | Colorless liquid | |
purity | PGMEA | wt% | Gas chromatography | 99.90 min | 99.92 |
β -PGMEA | 0.10 max | 0.042 | |||
other | 0.05 max | 0.04 | |||
Specific gravity | 25/25℃ | – | Specific gravity meter | 0.965±0.005 | 0.960 |
Water content | wt% | Karl fisher | 0.03 max | 0.022 | |
Color | – | APHA | 10 max | 5 | |
Metal ioncontent | Na | ppb | ICP-MS | 2.5max | 0.3 |
K | 2.5max | 0.1 | |||
Ca | 2.5max | 0.009 | |||
Mg | 2.5max | 0.02 | |||
Mn | 2.5max | 0.004 | |||
Fe | 2.5max | 0.3 | |||
Cu | 2.5max | 0.006 | |||
Al | 2.5max | 0.05 | |||
Cr | 2.5max | 0.08 | |||
Ni | 2.5max | 0.03 | |||
Ag | 2.5max | <0.001 | |||
Zn | 2.5max | 0.03 | |||
Ignition Residue | ppm | Evaporzated residue | 5.0 max | 1.4 | |
Acidity | ppm | Acetic acid meter | 150 max | 100 | |
Distillation | ℃ | Evaporzated residue | 143~149 | 145.02~146.22 |