Buy wholesale Potassium Hydroxide powder CAS NO. 1310-58-3

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Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash. Along with sodium hydroxide (NaOH), KOH is a prototypical strong base. It has many industrial and niche applications, most of which exploit its caustic nature and its reactivity toward acids. An estimated 700,000 to 800,000 tonnes were produced in 2005. KOH is noteworthy as the precursor to most soft and liquid soaps, as well as numerous potassium-containing chemicals. It is a white solid that is dangerously corrosive. Buy Potassium Hydroxide CAS-1310-58-3
Properties and structure Potassium Hydroxide CAS-1310-58-3
KOH exhibits high thermal stability. Because of its high stability and relatively low melting point, it is often melt-cast as pellets or rods, forms that have low surface area and convenient handling properties. These pellets become tacky in air because KOH is hygroscopic. Most commercial samples are ca. 90% pure, the remainder being water and carbonates. Its dissolution in water is strongly exothermic. Concentrated aqueous solutions are sometimes called potassium lyes. Even at high temperatures, solid KOH does not dehydrate readily. Buy Potassium Hydroxide CAS-1310-58-3
Structure of Potassium Hydroxide CAS-1310-58-3
At higher temperatures, solid KOH crystallizes in the NaCl crystal structure. The OH group is either rapidly or randomly disordered so that the OH− group is effectively a spherical anion of radius 1.53 Å (between Cl− and F− in size). At room temperature, the OH− groups are ordered and the environment about the K+ centers is distorted, with K+−OH− distances ranging from 2.69 to 3.15 Å, depending on the orientation of the OH group. KOH forms a series of crystalline hydrates, namely the monohydrate KOH · H2O, the dihydrate KOH · 2H2O and the tetrahydrate KOH · 4H2O. Buy Potassium Hydroxide CAS-1310-58-3
Reactions of Potassium Hydroxide CAS-1310-58-3
Solubility and desiccating properties Buy Potassium Hydroxide CAS-1310-58-3
About 121 g of KOH dissolve in 100 mL water at room temperature, which contrasts with 100 g/100 mL for NaOH. Thus on a molar basis, NaOH is slightly more soluble than KOH. Lower molecular-weight alcohols such as methanol, ethanol, and propanols are also excellent solvents. They participate in an acid-base equilibrium. In the case of methanol the potassium methoxide (methylate) forms: KOH + CH3OH → CH3OK + H2O
Because of its high affinity for water, KOH serves as a desiccant in the laboratory. It is often used to dry basic solvents, especially amines and pyridines. Buy Potassium Hydroxide CAS-1310-58-3
ProName: Potassium hydroxide CAS NO:1310-58-3
CasNo: 1310-58-3
Molecular Formula: KOH
Appearance: white crystal powder
Application: PharmaIntermediate
DeliveryTime: within 7days after payment
PackAge: according to customer’s requirement
Port: tianjin, shanghai
ProductionCapacity: 500 Kilogram/Week
Purity: 98%
Storage: Store in dry, dark and ventilated place
Transportation: by air or sea
LimitNum: 10 Gram
Moisture Content: 0.01
Impurity: 0.01
limitnum: 10gram Buy Potassium Hydroxide CAS-1310-58-3
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