DMF

Chemical name: N,N'-Dimethyiformamide

Molecular formula : C3H7NO

Molecular weight : 73.09

Property: Colorless liquid. mp -61°C, bp 153°C, Density 0.9445, fp 58°C, autoignition point 410°C. Miscible with water and most organic or inorganic solvents. Low toxicity.

Use: Solvent for liquids and gases. In the synthesis of organic compounds. Solvent for Orlon and similar polyacrylic fibers.

Standard: in conformity with Q/HHJ02£¬11-1997

Item Typical measured values
Appearance Clear
Assay % ≥ 99.9
Color (Pt-Co scale) ≤ 10
Distillation range (1-95ml)1.03¡ÁPa, 53¡À0.2°C ≤ 2.0
Free acid (counted by HCOOH) PPm ≤ 15
Free base (counted by DMA) PPm ≤ 15
Fe PPm ≤ 0.05
Refractive index N25d 1.4270-1.4285
pH (25°C,20% aqueous solution) 6.5-9.0
Electroconductivity (25°C,20% aqueous solution) us/cm ≤ 25
Water PPm ≤ 500
Methanol PPm ≤ 40
DMA PPm ≤ 150


 

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