N,N-Dimethyl formamide HPLC & Spectroscopy 1LT | |||
30600LC100 | 630531012BX | ||
HPLC & Spectroscopy | 6305310 | ||
68-12-2 | 100439 | ||
HCON(CH3)2 | February 2024 | ||
73.1 | January 2029 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Clear colourless liquid | Clear colourless liquid. |
2 | Solubility | Complies | Miscible with water. |
3 | Assay (GC) | 99.93% | Min. 99.50% |
4 | Boiling point (95%) | 152°C | 152° - 154°C |
5 | Wt. per ml, 20°C | 0.948g | 0.948 - 0.949g |
6 | Refractive index | 1.431 | 1.429 - 1.431 |
7 | Transmission profile(10mm cell) at 270 nm | 30.44% | Min. 10% |
8 | Transmission profile(10mm cell) at 275 nm | 62.99% | Min. 50% |
9 | Transmission profile(10mm cell) at 290 nm | 84.68% | Min. 80% |
10 | Transmission profile(10mm cell) at 300 nm | 91.04% | Min. 90% |
11 | Transmission profile(10mm cell) at 330 nm | 99.42% | Min. 98% |
12 | Residue on evaporation | 0.0001% | 0.002% max |
13 | Acidity(as HCOOH) | 0.002% | 0.003% max |
14 | Alkalinity[as (CH3)2NH] | Nil | 0.005% max |
15 | Water | 0.02% | 0.05% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |