Hydrogen cyanide - Wikipedia
Hydrogen cyanide (formerly known as prussic acid) is a chemical compound with the formula HCN and structural formula H−C≡N. It is a highly toxic and flammable liquid that boils slightly above room temperature, at 25.6 °C (78.1 °F).
Hydrogen cyanide | Description, Uses, Effects, & Facts - Britannica
2024年11月22日 · Hydrogen cyanide, also known as hydrocyanic acid, or Hcn, is a highly volatile liquid used to prepare acrylonitrile, which is used in the production of acrylic fibres, synthetic rubber, and plastics. Cyanides are used in many chemical processes, including fumigation, case hardening of iron and steel, electroplating, and the concentration of ores.
氰化氢 - 维基百科，自由的百科全书
HCN 是 氰化钠 和 氰化钾 的前体，后两者可用于开采 金 和 银，来获得这些金属。 经过 氰醇 中间体，一系列由 HCN 制成的有用有机化合物包括 甲基丙烯酸甲酯 单体 、经过 斯特雷克氨基酸合成反应 制成的 甲硫氨酸 、嵌合剂 EDTA 和 NTA。 经过 氢氰化反应，HCN 可以加合到 丁二烯，形成 己二腈，一种合成 尼龙-6,6 的前体。 [21] 分子可溶於 水 中形成 氫氰酸。 可與 卤代烃 進行 親核取代反應 （S N），及與 羰基 化合物進行 親核加成反應 生成α-羟基腈。 由於可以使 化合 …
Medical Management Guidelines for Hydrogen Cyanide
Hydrogen cyanide gas is a by-product of coke-oven and blast-furnace operations. Hydrogen cyanide is used in fumigating; electroplating; mining; and in producing synthetic fibers, plastics, dyes, and pesticides.
Hydrogen Cyanide | HCN | CID 768 - PubChem
Hydrogen cyanide is sold as a gas and is also available as a technical grade liquid in concentrations of 5, 10, and 96-99.5%. Almost all grades of hydrogen cyanide contain a stabilizer such as phosphoric acid to prevent decomposition and explosion.
Cyanide | Chemical Emergencies | CDC - Centers for Disease …
2024年9月6日 · If solid cyanide is put into water, it can make hydrogen cyanide gas (HCN or AC). This can increase chances of breathing in the gas. Cyanide gas is most dangerous in enclosed places where gas will be trapped. Cyanide gas can spread quickly in open spaces depending on the weather. less harmful outdoors. Hydrogen cyanide (HCN or AC) gas is ...
CDC - NIOSH Pocket Guide to Chemical Hazards - Hydrogen cyanide
Formonitrile, Hydrocyanic acid, Prussic acid Colorless or pale-blue liquid or gas (above 78°F) with a bitter, almond-like odor. [Note: Often used as a 96% solution in water.]
Hydrogen Cyanide (AC): Systemic Agent | NIOSH | CDC
Hydrogen cyanide (AC) gas mixes well with air, and explosive mixtures are easily formed. Confined polymerization can cause container failure and a violent explosion. Hydrogen cyanide (AC) can decompose explosively on contact with alkaline materials.
Hydrogen Cyanide (HCN) | Toxic Substances | Toxic Substance …
hydrogen cyanide is a colorless or pale-blue liquid (hydrocyanic acid); at higher temperatures, it is a colorless gas. Hydrogen cyanide is very volatile, producing potentially lethal concentrations at room temperature. The vapor is flammable and potentially explosive. Hydrogen cyanide has a faint, bitter almond odor and a bitter, burning taste.
Hydrogen cyanide: general information - GOV.UK
2024年8月14日 · Hydrogen cyanide is a colourless or light blue liquid or gas and is extremely flammable. It has a faint bitter almond odour, though not everyone is able to detect this. Other names for...