Dimethylformamide
| Abbreviation | DMF |
|---|---|
| Plant | Niigata |
| Main Applications | High grade solvent |
| Existing Chemical Substance No. | (2)-680 |
Properties
| Chemical Formula | (CH3)2NCHO |
|---|---|
| Molecular Weight | 73.0953 |
| Appearance | Colorless liquid |
| Odor | Slight amine smell |
| Specific Gravity (liquid 25℃/4℃) | 0.9445 |
| Boiling Point (℃ 760mmHg) | 153 |
| Freezing Point (℃ 760mmHg) | -61 |
| Flash Point (℃ Tagliabue (Tag) Closed Cup) | 60 |
| Ignition Temperature (℃) | 445 |
| Flammability Limits (vol%) | 2.2-15.2 |
| Vapour Pressure (mmHg 25℃) | 3.7 |
| Viscosity (CP 25℃) | 0.796 |
| Solubility | Readily soluble in water, ether, Ketoalchohol |
| Stability& Reactivity |
Decompose into carbon monoxide when heated |
Applicable Laws
| Industrial Safety and Health Law | Inflammable substance, class 2 organic solvent |
|---|---|
| High Pressure Gas | － |
| Fire Service Law | Class 4 Petroleum No.2 soluble in water |
| Poisonous and Deleterious Substances Control Law | － |
| Law on the Prevention of Marine Pollution and Maritime Disaster | Hazardous fluid class D |
| Ship Safety Law | Inflammable liquids |
| Civil Aeronautics Law | Inflammable liquid |
| Other Major Applicable Laws | － |
Classification of Hazard
| Classification | Inflammable liquid |
|---|---|
| Hazardous | Fairly inflammable liquid |
| Harmful | Inhalation of highly concentrated vapour will irritate the throat and cause nausea. Repretitive exposure cause liver damage. European and U.S. institutions determine that this cannot be classified as 'carcinogetic to man. |
Product Standard
| Color Number (APHA) | 10 or less |
|---|---|
| Water Content (wt%) | 0.05 or less |
| Iron Content (ppm) | 0.03 or less |
| pH (pH as 20% water solution) | 6.0-8.5 |
| Alkalinity (wt% as Dimethylamine) | 0.005 or less |
| Purity(%) | 99.9 or greater |
| Refractive Index | 1.4275-1.4285 |
| Specific Gravity (25/4℃) | 0.9435-0.9450 |
| Specific Electric Conductivity (É s/cm 20% water solution) | 3.0 or less |
Inquiries Concerning Products
Green Energy & Chemicals Business Sector
C1 Chemicals Division
Organic Chemicals Department
TEL：+81-3-3283-4779 / FAX：+81-3-3214-0930