N-Methylformamide CAS#123-39-7
High Purity and Clear Appearance: Pure N-methylformamide is a colorless, transparent, and viscous liquid, suitable for applications requiring high visual and compositional purity.
Excellent Water Solubility: It is highly soluble in water, supporting easy formulation and processing in aqueous systems.
Good Inorganic Salt Compatibility: The product also shows good solubility with inorganic salts, making it useful in a wider range of chemical and industrial applications.
Stable Liquid Form for Processing: With a boiling point of 198°C and relative density of 0.9986 (25°C), it offers favorable handling and process performance under standard industrial conditions.
Product Description of N-Methylformamide CAS#123-39-7
Pure N-methylformamide is a colorless, transparent, viscous liquid with a melting point of -3.8°C, boiling point of 198°C, refractive index (n25D) of 1.4310, and a relative density of 0.9986 at 25°C.
It is soluble in water and inorganic salts, making it suitable for a variety of chemical processing applications. The product is hygroscopic and can be readily decomposed under acidic or alkaline conditions.
N-Methylformamide Chemical Properties
| Melting point | -4 °C (lit.) |
| Boiling point | 198-199 °C (lit.) |
| Density | 1.011 g/mL at 25 °C (lit.) |
| Vapor pressure | 20Pa at 20℃ |
| Refractive index | n20/D 1.432(lit.) |
| Fp | >230 °F |
| Storage temp | Sealed in dry,Room Temperature |
| Solubility | soluble in water, chloroform, alcohols, acetone, ethylacetate but not in diethyl ether and petroleum ether |
| Pka | 16.48±0.23(Predicted) |
| Form | Liquid |
| Color | Clear colorless |
| Relative polarity | 6.2 |
| Odor | strong odor |
| Water Solubility | miscible |
| Merck | 146076 |
| BRN | 1098352 |
| Exposure limits | ACGIH: TWA 1 ppm (Skin) |
| Dielectric constant | 171 |
| InChIKey | ATHHXGZTWNVVOU-UHFFFAOYSA-N |
| LogP | -0.97 |
| CAS DataBase Reference | 123-39-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Formamide, N-methyl-(123-39-7) |
| EPA Substance Registry System | N-Methylformamide (123-39-7) |
Safety Information
| Hazard Codes | T |
| Risk Statements | 61-21-R61-R21 |
| Safety Statements | 53-45-S53-S45 |
| WGK Germany | 1 |
| RTECS | LQ3000000 |
| TSCA | Yes |
| PackingGroup | II |
| HS Code | 29241990 |
| Hazardous Substances Data | 123-39-7(Hazardous Substances Data) |
| Toxicity | LD50 in mice (mg/kg): 2300 i.p.; 2600 orally; 1580 i.v.; 2700 i.m. (Langdon) |
Product Application of N-Methylformamide CAS#123-39-7
N-methylformamide is an important organic chemical raw material and intermediate. It serves as an organic solvent with excellent performance and is widely used in chemical synthesis processes.
It is commonly applied in the synthesis of high-efficiency, low-toxicity monomethylformamide derivatives and distyrylamide compounds. In addition, it can be used as both a reaction solvent and a refining solvent in organic synthesis.
The product is also widely utilized in pharmaceuticals, dyes, fragrances, electrolysis, and electroplating industries, demonstrating broad industrial application value.
