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二氰二氨 - 百度百科
二氰二氨,缩写DICY或DCD。 是一种有机物,化学式为C2H4N4,是氰胺的二聚体,也是胍的氰基衍生物。 化学式C2H4N4。 白色结晶粉末。 可溶于水、醇、乙二醇和 二甲基甲酰胺,几乎不溶于醚和苯。 干燥时稳定。 性状:白色结晶性粉末。 水中溶解度在13℃时为2.26%,在热水中溶解度较大。 当水溶液在80℃时逐渐分解产生 氨气。 无水乙醇 (C2H5OH)、 乙醚 中溶解度在13℃时,分别为1.26%和0.01%。 溶于 液氨 、热水、乙醇、 丙酮 水合物 、 二甲基甲酰胺,难溶于 …
Dicyanamide - Wikipedia
It contains two cyanide groups bound to a central nitrogen anion. The chemical is formed by decomposition of 2-cyanoguanidine. It is used extensively as a counterion of organic and inorganic salts, and also as a reactant for the synthesis of various covalent organic structures.
双氰胺 - 维基百科,自由的百科全书
双氰胺又名二氰二胺,缩写DICY或DCD。 虽然国际标准未对食品中的双氰胺限量,但高剂量的双氰胺对人体是有毒的。 针对婴幼儿奶粉中基质复杂的特点,本方法加大了净化材料的用量,以获得了更好的净化效果。 采用新一代的Cleanert® MAS-QuChERS-双氰胺净化管(500mg/15mL,货号:MS-SQA02)和Venusil® HILIC液相色谱柱,建立了奶粉中双氰胺的MAS-QuEChERS快速前处理方法和LC-UV以及LC-MS/MS检测方法。 [7] 斯里蘭卡工業技術研究院近期在對該國進口乳 …
Dicyandiamide 99 461-58-5 - MilliporeSigma
Dicyandiamide is commonly used for the curing of epoxy resins. It is a nitrification inhibitor that is said to be capable of reducing nitrate (NO 3-) leaching and nitrous oxide (N 2 O) emissions from grazed pasture soils.
双氰胺_化工百科 - ChemBK
二氰二胺,也被称为DICY(Dicyandiamide),是一种无毒、无臭的白色结晶物质。 它在化学工业中有广泛的应用。 在合成树脂领域,二氰二胺被用作环氧树脂固化剂。
Dicyanamide | C2HN3 | CID 10443 - PubChem
Dicyanamide | C2HN3 | CID 10443 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Dicyandiamide - NIST Chemistry WebBook
Use this link for bookmarking this species for future reference. NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites.
二氰二胺 CAS#: 461-58-5 - ChemicalBook
2025年1月14日 · 双氰胺固化剂属于最早使用的一类加热固化类潜伏性固化剂,在室温下为固体,不溶于环氧树脂,以微粒子状分散到环氧树脂中,然后加热反应,一旦加热到熔点附近时,开始溶解并急速反应固化。 (1)作为胍盐、三聚氰二胺类的原料。 用双氰胺与酸反应,可制造各种胍盐。 双氰胺和苯基腈反应得到的苯代三聚氰二胺是涂料,层压板、成型粉的中间体。 (2)用作染料固色剂,双氰胺和甲醛反应制得的双氰胺树脂,可用作染料固色剂。 (3)双氰胺化肥,双 …
双氰胺 99% - Sigma-Aldrich
Dicyandiamide (DCD) has been studied as a stabilizer for nitrogen fertilizers for over 50 years. Its efficacy is limited at elevated temperatures, but this could be addressed by encapsulation to delay exposure. Here, poly(3-hydroxybutyrate- co-3-hydroxyvalerate) (PHBV) was investigated as a
Dicyandiamide | 461-58-5 - ChemicalBook
2025年1月27日 · Dicyandiamide is commonly used for the curing of epoxy resins. It is a nitrification inhibitor that is said to be capable of reducing nitrate (NO 3- ) leaching and nitrous oxide (N 2 O) emissions from grazed pasture soils.