Essay/review of The Electric Meme: A New Theory of How We Think.
At room temperature, anhydrous ammonia is a colorless, highly irritating gas with a pungent, suffocating odor. It is lighter than air and flammable, with difficulty, at high concentrations and temperatures. It is easily compressed and forms a clear, colorless liquid under pressure.
Ethylene oxide is a colorless gas at room temperature and a colorless liquid below 51ºF (10.7ºC). It is shipped as a liquefied, compressed gas. Both the gas and liquid are potential fire and explosion hazards.
Phosgene is a colorless, fuming liquid below 47ºF (8.2ºC) and a colorless, nonflammable gas above 47ºF. At low concentrations, its odor is similar to that of green corn or new mown hay; at high concentrations, its odor can be sharp and suffocating.
At temperatures below 78ºF, hydrogen cyanide is a colorless or pale-blue liquid (hydrocyanic acid); at higher temperatures, it is a colorless gas. Hydrogen cyanide is very volatile, producing potentially lethal concentrations at room temperature.
Removable transparent blacklight paint glows in the dark under UV light, colorless in day light. Use for decoration at parties, security, and inventory control.
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Acrolein is a clear, colorless, or yellow liquid with a pungent, suffocating odor. It is very flammable and may polymerize violently.
At room temperature, acrylonitrile is a clear, colorless, or slightly yellow liquid. It is very volatile, producing flammable and toxic air concentrations at room temperature and may explode.
At room temperature (above 43ºF), methyl mercaptan is a colorless gas with an unpleasant odor described as rotten cabbage.
At room temperature, methylene chloride is a clear, colorless liquid with a pleasant odor. It is volatile, producing potentially toxic concentrations at room temperature.
Lewisite is an organic arsenical known for its vesicant properties. Pure Lewisite is an oily, colorless liquid, while impure Lewisite is amber to black.
Sulfur mustards are vesicants and alkylating agents. They are colorless when pure but are typically a yellow to brown oily substance with a slight garlic or mustard odor.
Phosphine is a colorless, flammable, and toxic gas with an odor of garlic or decaying fish. It can ignite spontaneously on contact with air. The gas is shipped as a liquefied, compressed gas.
At room temperature, tetrachloroethylene is a colorless, nonviscous, nonflammable liquid. It evaporates easily and has a sweet odor. The vapors are heavier than air.
At room temperature, diborane is a colorless gas with a repulsive, sickly sweet odor. It is generally shipped in pressurized cylinders diluted with hydrogen, argon, nitrogen, or helium.
Selenium hexafluoride is a colorless gas at room temperature. It is corrosive and highly toxic. Selenium hexafluoride should be stored in a cool, fireproof building with ventilation along the floor.
At room temperature, trichloroethylene is a clear, colorless liquid with a sweet, chloroform-like odor. It is volatile, producing potentially toxic concentrations at room temperature.
At room temperature, vinyl chloride is a colorless, highly flammable, potentially explosive gas. It has a faint sweet odor.
Nitrogen mustards are vesicants and alkylating agents. They are colorless to pale yellow, oily liquids that evaporate slowly. HN-1 has a faint, fishy or musty odor.