Description
Product:
Dimethylformamide is short for DMF. Compound formed by the substitution of hydroxyl group of formic acid with dimethylamino group, molecular formula HCON (CH3) 2. It is a colorless transparent high boiling point liquid with a light amine odor and a relative density of 0.9445 (25 C). Melting point – 61 C. Boiling point 152.8 C. Flash point 57.78 C. The vapor density is 2.51. The vapor pressure is 0.49 kPa (3.7 mmHg 25 C).
Colorless transparent liquid. It is a polar inert solvent. Except halogenated hydrocarbons, it can mix with water and most organic solvents at will.
Specification：
| Item | Scope | Result | ||
| Superior product | First grade | Qualified product | ||
| Appearance | Colorless liquid, No visible impurities | Conform | ||
| Dimethylformamide Assay w/% | 99.9 | 99.5 | 99.95 | |
| Methanol w/% ≥ | 0.0010 | 0.0030 | 0.0050 | 0.0000 |
| Heavy component(Dimethyl acetamide）w/% ≤ | Supply and demand sides negotiated to determine | 0.0423 | ||
| Chroma/Hazen unit（Platinum, cobalt color） ≤ | 5 | 10 | 20 | 5 |
| Water w/% ≤ | 0.050 | 0.0089 | ||
| Iron w/（mg/kg） ≤ | 0.05 | 0.026 | ||
| Acidity（Based on formic acid）w/% ≤ | 0.0010 | 0.0020 | 0.0030 | 0.0001 |
| Alkalinity (based on dimethylamine) w/% ≤ | 0.0010 | 0.0020 | 0.0030 | 0.0002 |
| PH（25℃，20% water） | 6.5~8.0 | 7.4 | ||
| Conductivity（25℃）/μs/cm | 2.0 | 3.0 | 0.33 | |
| Conclusion | Superior product | |||
Application：
It is an excellent organic solvent. It is used as a solvent for polyurethane, polyacrylonitrile and polyvinyl chloride. It is also used as a raw material for extractant, medicine and pesticide chlordimeform. It is also used as an analytical reagent and a solvent for ethylene resin and acetylene.
Storage：
Complete packing, light loading and light unloading; Storage room ventilated, away from open fire, high temperature, separated from oxidant and acid
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