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Isopropyl rubbing alcohols contain from 50% to 99% by volume of isopropyl alcohol, the remainder consisting of water. Boiling points vary with the proportion of isopropyl alcohol from 80 to 83 °C (176 to 181 °F); likewise, freezing points vary from −32 to −50 °C (−26 to −58 °F). [6] Surgical spirit BP boils at 80 °C (176 °F). [7]
These stoves operate marginally on 90% isopropyl alcohol, poorly on 70% and not at all with 50%. Water typically cannot be boiled with isopropyl rubbing alcohol, but if the more rarely found (still inexpensive) laboratory grade or "gas drier" is used, and the sooting is dealt with by applying a little soap solution to the pot, the fuel value of ...
Isopropyl alcohol (IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable, organic compound with a pungent alcoholic odor. [9]Isopropyl alcohol, an organic polar molecule, is miscible in water, ethanol, and chloroform, demonstrating its ability to dissolve a wide range of substances including ethyl cellulose, polyvinyl butyral, oils, alkaloids, and natural ...
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The term is considered by many safety professionals to be the same as the lower explosive level (LEL). At a concentration in air lower than the LFL, gas mixtures are "too lean" to burn. Methane gas has an LFL of 4.4%. [1] If the atmosphere has less than 4.4% methane, an explosion cannot occur even if a source of ignition is present.
The original Berger lamp used methyl alcohol, while modern lamps use isopropyl alcohol (90% or more). [5] Perfumes or essential oils may be added. To start the catalytic process it is necessary to allow the wick to thoroughly absorb the fuel and then to light the catalytic burner with a flame and let it burn for approximately two minutes until the catalytic stone reaches the correct operating ...
Chemical burns from skin exposures can be decontaminated by washing with polyethylene glycol, [68] isopropyl alcohol, [69] or perhaps even copious amounts of water. [70] Removal of contaminated clothing is required, as well as immediate hospital treatment for large splashes.
A non-combustible material [17] is a substance that does not ignite, burn, support combustion, or release flammable vapors when subject to fire or heat, in the form in which it is used and under conditions anticipated. Any solid substance complying with either of two sets of passing criteria listed in Section 8 of ASTM E 136 when the substance ...
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