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In the late 1960s, spray bottles with trigger-style actuators appeared and quickly became popular, as this design was less fatiguing to use. The original pump-style bottle remained more popular for applications like non-aerosol deodorants, where size was a factor and repeated pumps were not required.
Under its alternative name of "wintergreen oil", methyl salicylate is a common additive to North American rubbing alcohol products. [7] Individual manufacturers are permitted to use their own formulation standards in which the ethanol content for retail bottles of rubbing alcohol is labeled as and ranges from 70 to 99% v/v. [8]
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [4]
The most efficient method of industrial oil degassing is vacuum processing, which removes air and water solved in the oil. [6] This can be achieved by: spraying of oil in large vacuum chambers; distributing the oil into a thin layer over special surfaces (spiral rings, Raschig rings etc) in vacuum chambers.
Hexane and other volatile hydrocarbons (petroleum ether) present an aspiration risk. [21] n-Hexane is sometimes used as a denaturant for alcohol, and as a cleaning agent in the textile, furniture, and leather industries. It is slowly being replaced with other solvents. [22] Like gasoline, hexane is highly volatile and is an explosion risk.
WD-40's formula is a trade secret. [17] The original copy of the formula was moved to a secure bank vault in San Diego in 2018. [18] To avoid disclosing its composition, the product was not patented in 1953, and the window of opportunity for patenting it has long since closed.
2-Ethylhexanol (abbreviated 2-EH) is an organic compound with the chemical formula C H 3 CH 2 CH 2 CH 2 CH(CH 2 CH 3)CH 2 OH.It is a branched, eight-carbon chiral alcohol.It is a colorless liquid that is poorly soluble in water but soluble in most organic solvents.
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