All articles starting with D

Diazomethane

Diazomethane (CH₂N₂) is the simplest diazo compound, a yellow gas that is highly toxic and explosive, so it is freshly prepared in dilute ether solution to methylate acids in the laboratory.

Diazonium compound

A diazonium compound, or diazonium salt, is a salt of the cation R-N2+, known since 1858 as a versatile intermediate in aromatic chemistry, though many are thermally unstable and hazardous.

Sep 29, 2026

Diazotization is the chemical conversion of a primary aromatic amine into an arenediazonium salt by nitrous acid at low temperature, introduced by Peter Griess in 1863 and central to azo dye production.

Diazoxide

Diazoxide is a benzothiadiazine-derived drug that opens ATP-sensitive potassium channels; originally an antihypertensive, it treats hypoglycemia from excess insulin and, as a choline salt, hyperphagia in Prader-Willi syndrome.

Dibaba family

The Dibaba family is an Ethiopian distance-running family from Chefe near Bekoji, in the Arsi region; sisters Ejegayehu, Tirunesh, Genzebe, Anna, and Melat have won Olympic and world medals.

Dibakar Banerjee (दिबाकर बनर्जी)

Dibakar Banerjee (दिबाकर बनर्जी), born 1969 in New Delhi, is an Indian Hindi-film director, screenwriter, and producer, not the astrophysicist or other namesakes. Known for Khosla Ka Ghosla, LSD, Shanghai, Detective Byomkesh Bakshy!, and the shelved Netflix film Tees.

Dibang Multipurpose hydroelectric plant

The Dibang Multipurpose Project is a 2,880 MW hydroelectric and flood-moderation scheme on the Dibang river in Arunachal Pradesh, India, planned around India's highest dam and due in 2032.

Dibaratrir Kabya

Dibaratrir Kabya (দিবারাত্রির কাব্য) is a Bengali novel by Manik Bandopadhyay, written in 1929 at age 21 and published in 1935, an early study of love and the human mind.

Sep 19, 2026

Dibba Al-Fujairah

Dibba Al-Fujairah is a coastal town in the Emirate of Fujairah, UAE, on the Gulf of Oman near the Omani border, known for Bronze and Iron Age collective tombs.

Dibenzepin

Dibenzepin (Noveril, Wander), a tricyclic antidepressant, ATC N06AA08, formula C18H21N3O, introduced 1965; 480–720 mg daily; low antimuscarinic potency; distinct from other drugs named Noveril.

Dibenzo-18-crown-6

Dibenzo-18-crown-6 (DB18C6) is a cyclic polyether first discovered by Charles J. Pedersen at DuPont, and its subsequent work led to a 1987 Nobel Prize.

Dibenzodioxin

Dibenzodioxin, or dibenzo-p-dioxin, is a tricyclic aromatic compound, C12H8O2, in which two benzene rings are fused to a central 1,4-dioxin ring bridged by two oxygen atoms.

Dibenzothiophene

Dibenzothiophene (DBT) is an organosulfur compound with formula C12H8S, consisting of two benzene rings fused to a central thiophene ring; it occurs in crude oil and is the model compound for desulfurization-resistant sulfur in fuels.

Dibenzoylmethane

Dibenzoylmethane is a beta-diketone, acetylacetone with both methyl groups replaced by phenyl groups, whose derivative avobenzone is among the most common UVA filters in sunscreens.

Dibenzylideneacetone

Dibenzylideneacetone, also called dibenzalacetone, is a bright-yellow organic compound with formula C17H14O, made from benzaldehyde and acetone and used in sunscreens and palladium catalysts such as Pd2(dba)3.

Dibenzyltoluene

Dibenzyltoluene (DBT) is an aromatic hydrocarbon mixture used as a liquid organic hydrogen carrier, storing 6.2 wt% hydrogen that a catalyst releases at about 300 °C.

Diberyllocene

Diberyllocene (CpBeBeCp) is an organometallic beryllium compound with a direct beryllium–beryllium bond, first synthesized by Boronski and Aldridge at Oxford in 2023 and published in Science.

Diborane

Diborane (B₂H₆), also called boroethane, is the simplest stable boron hydride, a colorless, highly toxic, extremely flammable gas used to dope silicon in semiconductor manufacturing.

Diborene

A diborene is a compound containing a boron–boron double bond, the heavier group 13 analog of an alkene; the first neutral example was reported in 2007.

Diboryne

A diboryne is a neutral compound of the form L→B≡B←L, with a boron-boron triple bond; the first stable example, B₂(IDipp)₂, was isolated in 2012.

Oct 20, 2026

Dibotermin alfa

Dibotermin alfa (rhBMP-2), marketed as InductOs and Infuse, is a recombinant CHO-cell-derived bone morphogenetic protein-2 implant for lumbar spinal fusion and acute tibial fractures; EU-authorized 2002, suspended 2015 over sponge manufacturing.

Dibromsalan

Dibromsalan (4',5-dibromosalicylanilide, DBS, temasept I) is a brominated salicylanilide disinfectant formerly used in soaps, cosmetics, and veterinary flukicide mixtures, withdrawn after causing photoallergic dermatitis.

Dibrugarh (ডিব্রুগড়)

Dibrugarh (ডিব্রুগড়), the Tea City of India, is an industrial city and district headquarters in Upper Assam on the Brahmaputra, now being developed as Assam's second capital with a new Legislative Assembly complex.

Dibucaine

Dibucaine, also known as cinchocaine, is a potent amino amide local anesthetic developed in 1925, used mainly in topical ointments for hemorrhoids and minor skin irritation.

Dibunic acid

Dibunic acid, also called 2,6-di-tert-butylnaphthalene-1-sulfonic acid, is the parent acid of sodium dibunate (CAS 14992-59-7, L-1633, Becantex), a non-opioid antitussive, ATC R05DB16, for non-productive cough.

Dibunophyllum

Dibunophyllum (Thomson & Nicholson, 1876) is an extinct genus of large solitary rugose coral with an axial column, type material from the Carboniferous Limestone of Derbyshire, and a Visean to Permian range across Europe, Asia, and North America.

Dibutyl phthalate

Dibutyl phthalate (DBP) is a manufactured phthalate ester, a colorless oily liquid used chiefly as a plasticizer in plastics, paints, and adhesives, and formerly in nail polish.

DIC Entertainment

DIC Entertainment (DiC), also DIC Audiovisuel, DIC Enterprises, and DIC Animation City, was a French-American children's animation studio founded by Jean Chalopin in Paris, famed for Inspector Gadget, sold to Cookie Jar in 2008, library now with WildBrain.

Oct 20, 2026

Dicaeum

Dicaeum (typical flowerpeckers), genus Cuvier 1816 in family Dicaeidae, small tropical passerines from southern Asia to New Guinea and Australia; fruit- and mistletoe-eating, distinct from Prionochilus.