Dimethylformamide(DMF)
Name: N,N-Dimethylformamide Code of Dangerous Goods: 33627 UN No.: 2265 Class of Dangerous Goods: Class 3.3, inflammable liquid with high flash point Usage: It is an excellent organic solvent and an important chemical raw material, which is widely used in the fields of petrochemicals, pesticides, pharmaceuticals, dyes, leather, painting, organic synthesis, etc.
Item |
Index |
Premium grade |
First class |
Qualified |
Appearance |
Transparent liquid without visible impurities |
Assay, w/% ≥ |
99.9 |
99.5 |
Methanol, w/% ≤ |
0.0010 |
0.0030 |
0.0050 |
Heavy ends(as DMAc),w/% |
To be agreed upon by Buyer and Seller |
Color (Hazen), (Pt-Co) ≤ |
5 |
10 |
20 |
Moisture, w/% ≤ |
0.050 |
Iron, w/(mg/kg) ≤ |
0.05 |
Acidity (as formic acid), w/% ≤ |
0.0010 |
0.0020 |
0.0030 |
Bacisity (as DMA), w/% ≤ |
0.0010 |
0.0020 |
0.0030 |
PH (25 °C, 20% solution) |
6.5-8.0 |
Conductivity (25 °C)/μs/cm ≤ |
2.0 |
- |
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