화학 화합물

Boron nitride exists in hexagonal (soft, lubricant) and cubic (ultra-hard) forms, analogous to graphite and diamond. Cubic BN is the …

Silicon carbide is an extremely hard ceramic used as an abrasive (carborundum) and increasingly as a wide-bandgap semiconductor for EV …

Calcium carbide reacts with water to produce acetylene gas, which powered miners' lamps for decades. It is still used to …

Potassium persulfate is a powerful oxidizer used to initiate free radical polymerization and as a PCB etchant. It decomposes to …

Calcium hydride is a drying agent and hydrogen source. It reacts with water to produce hydrogen gas and calcium hydroxide.

Cisplatin is one of the most effective anticancer drugs, used to treat testicular, ovarian, bladder, and many other cancers. It …

Tungsten carbide is one of the hardest known materials, nearly as hard as diamond. It is the primary material for …

Sodium peroxide is a powerful oxidizer that reacts vigorously with water to produce NaOH and oxygen. It was used in …

Ammonium persulfate is the most commonly used initiator for free radical polymerization in emulsion and solution polymerizations.

Talc (hydrous magnesium silicate) is the softest known mineral, rated 1 on the Mohs hardness scale. Its layered crystal structure …

Osmium tetroxide is a powerful oxidizing agent used to stain biological tissue for electron microscopy and to dihydroxylate alkenes in …

Potassium cyanide is an extremely toxic salt that has been used in gold mining, electroplating, and organic synthesis. It is …

Sodium hydride is a powerful base and reducing agent used extensively in organic synthesis. It reacts vigorously with water, releasing …

Aluminum chloride is a powerful Lewis acid catalyst essential for Friedel-Crafts alkylation and acylation reactions in organic synthesis.

Aluminum nitride has exceptionally high thermal conductivity for a ceramic, making it ideal for electronic substrates and heat sinks in …

Titanium nitride is an extremely hard gold-colored ceramic coating used on cutting tools, medical implants, and decorative applications.

Barium ferrite is the most widely produced permanent magnet material by volume, used in loudspeakers, motors, and magnetic recording media.

Sodium cyanide is the primary reagent for gold extraction in mining, consuming about 90% of global cyanide production.

Barium titanate was the first piezoelectric ceramic discovered and is used in capacitors, sensors, and transducers. It has an exceptionally …

Hydroxylamine is a reducing agent and nucleophile used in organic synthesis to produce oximes, hydroxamic acids, and various pharmaceuticals.

Xenon difluoride was one of the first noble gas compounds discovered, shattering the belief that noble gases could not form …

Molybdenum disulfide is a layered compound with excellent lubricating properties. Its layers can slide over each other like graphite, making …

Potassium ferrocyanide is a yellow salt commonly used as an anti-caking agent in table salt (E536). It is much less …

Potassium ferricyanide is a bright red salt used in blueprint photography, electroplating, and as a mild oxidizing agent. Despite containing …

Lithium niobate is a crystal with exceptional electro-optic, piezoelectric, and nonlinear optical properties. It is called the 'silicon of photonics'.

PZT is the most widely used piezoelectric ceramic material, found in sensors, actuators, and ultrasound transducers. It converts mechanical stress …

Calcium aluminate cement (CAC) sets and hardens much faster than Portland cement and is resistant to high temperatures and chemical …

Gallium arsenide is a semiconductor with superior electron mobility compared to silicon. It is used in solar cells, LEDs, laser …

Samarium cobalt magnets were the first rare earth permanent magnets developed. They retain their magnetism at higher temperatures than neodymium …

LiAlH4 (LAH) is one of the most powerful reducing agents in organic chemistry. It reduces esters, carboxylic acids, and amides …

Borosilicate glass (Pyrex) has excellent thermal shock resistance and chemical durability. It is used in laboratory glassware, cookware, and telescope …

Sodium borohydride is a milder and safer reducing agent than LiAlH4. It selectively reduces aldehydes and ketones while leaving esters …

YBCO was the first material discovered to superconduct above the boiling point of liquid nitrogen (77 K). Its discovery in …

KTP is a nonlinear optical crystal used to frequency-double Nd:YAG lasers, producing green 532 nm light. It is the crystal …

Palladium(II) chloride is a key starting material for palladium catalysts used in cross-coupling reactions that won the 2010 Nobel Prize …

Lead crystal glass contains 24-35% lead oxide, giving it high refractive index, brilliance, and a clear ringing tone. It has …

Rhodium(III) chloride is the most common rhodium compound, used as a catalyst precursor. Rhodium is essential in automotive catalytic converters.

Platinum(IV) chloride is a reddish-brown salt used as a catalyst precursor. Platinum catalysts are essential in automotive catalytic converters and …