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Camphor (/ ˈ k æ m f ər /) is a waxy, colorless solid with a strong aroma. [5] It is classified as a terpenoid and a cyclic ketone.It is found in the wood of the camphor laurel (Cinnamomum camphora), a large evergreen tree found in East Asia; and in the kapur tree (Dryobalanops sp.), a tall timber tree from South East Asia.
This Wikipedia page provides a comprehensive list of boiling and freezing points for various solvents.
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.
Camphorsulfonic acid, sometimes abbreviated CSA or 10-CSA is an organosulfur compound.Like typical sulfonic acids, it is a relatively strong acid that is a colorless solid at room temperature and is soluble in water and a wide variety of organic substances.
It has a fresh camphor-like odor and a spicy, cooling taste. [1] It is insoluble in water, but miscible with organic solvents. Eucalyptol makes up about 70–90% of eucalyptus oil. [2] [3] Eucalyptol forms crystalline adducts with hydrohalic acids, o-cresol, resorcinol, and phosphoric acid. Formation of these adducts is useful for purification.
Camphora officinarum grows up to 20–30 m (66–98 ft) tall. [4] In Japan, where the tree is called kusunoki, five camphor trees are known with a trunk circumference above 20 m (66 ft), with the largest individual, Kamō no Ōkusu (蒲生の大楠, "Great camphor of Kamō"), reaching 24.22 m (79 + 1 ⁄ 2 ft).
The result: 1 liter of water can dissolve 1.34 × 10 −5 moles of AgCl at room temperature. Compared with other salts, AgCl is poorly soluble in water. For instance, table salt (NaCl) has a much higher K sp = 36 and is, therefore, more soluble. The following table gives an overview of solubility rules for various ionic compounds.
As with other terpenes, it is insoluble in water, flammable, colorless, and has a pungent smell. [4] It is a minor constituent of many essential oils such as turpentine , cypress oil, camphor oil, citronella oil , neroli , ginger oil, valerian , and mango . [ 5 ]