（Please advise how to assign UN number on the MSDS.）
Here is a 20% solution of N,N-Dimethylformamide UN 2265 in water. The solution does not satisfy the criteria of Class 3 Flammable Liquid. The solution has a inhalation toxicity of 20mg/L and is harmful to the eyes, however, both hazard do not qualify for classification as Class 3 PG III nor as Div. 6.1 Toxic substances PG III. In order to complete the MSDS, please guide us on what UN number should we assign to this solution. (30 Sep 13)
The solution does not quality as Class 3 Flammable Liquid, and it does not quality as Division 6.1 Toxic substances, then, the solution is Not Restricted and should be transported as such. However, since it is a liquid, in packing, you must take pressure differential into consideration.