| Appearance |
Colorless transparent liquid |
Colorless transparent liquid or crystal |
Visual inspection |
| t-Butanol content% (m/m) ≥ |
85% |
99.50% |
99.90% |
99.90% |
SH/T1497-2002 |
| Chroma/(Platinum-Cobalt) No.≤ |
10 |
10 |
10 |
10 |
GB/T3143-1982 |
| Moisture%(m/m) ≤ |
14.6 |
0.05 |
0.02 |
0.01 |
GB/T6283-2008 |
| Density (kg/l) |
0.812-0.820 |
0.778-0.783 |
0.778-0.783 |
0.778-0.783 |
GB/T4472-2011 |
| Initial boiling point °C ≥ |
81.5 |
81.5 |
81.5 |
81.5 |
GB/T7534-2004 |
| Dry point °C≤ |
82.5 |
83 |
83 |
83 |
GB/T7534-2004 |
| Acidity (as acetic acid)/%(m/m) ≤ |
0.003 |
0.003 |
0.003 |
0.003 |
SH/T1496-1992 |
| Dry residue after evaporation %(m/m) ≤ |
0.002 |
0.002 |
0.002 |
0.002 |
GB/T6324.2-2004 |
| Recovery rate vol% ≥ |
/ |
99.0 |
99.0 |
99 |
/ |
| Freezing point °C≥ |
/ |
25.0 |
25.C |
25 |
/ |
