Nitric acid, other than red fuming appears as a pale yellow to reddish brown liquid with reddish brown vapors and a suffocating odor. Very more info more info
Nitroethane appears as a colorless oily liquid with a pleasant odor. Flash point of 82 °F. Decomposes above 350 °F. Density 1.052 g / more info more info
Nitromethane appears as a colorless oily liquid. Flashpoint 95 °F. May violently decompose if intensely heated when contaminated. Denser more info more info
Osmium tetroxide appears as a colorless or yellow solid with a pungent odor of chlorine. Begins to sublime below the melting point. more info more info
Petroleum ether is generally a mixture of low-boiling aliphatic hydrocarbons mainly hexane and pentane. It is generally used as a laboratory more info more info
Phosphine is a colorless, flammable, and explosive gas at ambient temperature that has the odor of garlic or decaying fish. Small amounts occur more info more info
Phosphoric acid is a weak, inorganic acid that is commonly used in various applications. It is a clear, colorless liquid with a syrupy more info more info
Potassium is a soft silvery metal though normally grayish white due to oxidation. It is a liquid under normal conditions. It reacts more info more info
Potassium borohydride is a white crystalline or powdered solid. When exposed to water it may react violently and start a fire. It is more info more info
Potassium chlorate appears as a white crystalline solid. Forms a very flammable mixture with combustible materials. The mixture may be explosive if more info more info