C 0.2 ppm (2 mg/m3) [skin]. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ☑ Y verify (what is ☑ Y ☒ N ?) Infobox references. Nitroglycerin (NG), also known as nitroglycerine, trinitroglycerin (TNG), nitro, glyceryl trinitrate . If the...