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N-Methylformamide CAS#123-39-7

Product Details


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.

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N-Methylformamide Chemical Properties

Melting point-4 °C (lit.)
Boiling point198-199 °C (lit.)
Density1.011 g/mL at 25 °C (lit.)
Vapor pressure20Pa at 20℃
Refractive indexn20/D 1.432(lit.)
Fp>230 °F
Storage tempSealed in dry,Room Temperature
Solubilitysoluble in water, chloroform, alcohols, acetone, ethylacetate but not in diethyl ether and petroleum ether
Pka16.48±0.23(Predicted)
FormLiquid
ColorClear colorless
Relative polarity6.2
Odorstrong odor
Water Solubilitymiscible
Merck146076
BRN1098352
Exposure limitsACGIH: TWA 1 ppm (Skin)
Dielectric constant171
InChIKeyATHHXGZTWNVVOU-UHFFFAOYSA-N
LogP-0.97
CAS DataBase Reference123-39-7(CAS DataBase Reference)
NIST Chemistry ReferenceFormamide, N-methyl-(123-39-7)
EPA Substance Registry SystemN-Methylformamide (123-39-7)

Safety Information

Hazard CodesT
Risk Statements61-21-R61-R21
Safety Statements53-45-S53-S45
WGK Germany1
RTECSLQ3000000
TSCAYes
PackingGroupII
HS Code29241990
Hazardous Substances Data123-39-7(Hazardous Substances Data)
ToxicityLD50 in mice (mg/kg): 2300 i.p.; 2600 orally; 1580 i.v.; 2700 i.m. (Langdon)

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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.


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