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N-phenyldiethanolamine (NPDEA) is an organic compound with the chemical formula C13H19NO2. It is a colorless to light yellow liquid and it is used as a corrosion inhibitor and a neutralizing agent in the oil and gas industry. It also used as an intermediate for the manufacture of surfactants and other chemicals
| No | PARAMETERS | SPECIFICATION |
| 1 | Appearance @25oC | Pale yellow to Brownish Solid |
| 2 | % Purity by GC | Minimum 97 |
| 4 | % Moisture content | Max 1% |
| 5 | Melting point oC | Minimum 48`C |