21039
碳化钙
granulated, technical, ≥75% (gas-volumetric)
别名:
Calcium acetylide, Calcium dicarbide
一般描述
碳化钙(CaC2)，又称乙炔钙，是一种离子化合物。技术级CaC2 是一种呈灰色的颗粒状固体。遇水反应形成乙炔气体和氢氧化钙。本品为技术级，含≥75% CaC2，其它成分为氧化钙、磷化物、硫化物和氮化物。CaC2广泛用于生产乙炔和氰氨化钙。此外，它还用于制造相变材料，并作为可高效利用太阳能的定形相变材料。还用作可充电钙电池的电池材料。
应用
- NUCLEOPHILIC ADDITION OF PHOSPHINOXIDES AND ALCOHOLS TO ACETYLENE GENERATED in situ FROM CALCIUM CARBIDE：研究讨论碳化钙生成的乙炔用于各种有机合成的反应活性(Aleksandrovna, 2024)。
- Construction of 3-Methyl-2-Substituted Benzofurans and 3-Methyl-2-Substituted Benzothiophenes Using Solid Calcium Carbide as a Substitute for Gaseous …：描述一种使用固体碳化钙的有机合成方法，说明它的实用性和环境意义(Wang et al., 2024)。
警示用语：
Danger
危险分类
Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 1
靶器官
Respiratory system
储存分类代码
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
监管及禁止进口产品
Mirian Elizabeth Casco et al.
Nanoscale, 11(11), 4712-4718 (2019-03-07)
We report the one-pot mechanochemical synthesis of N-doped porous carbons at room temperature using a planetary ball mill. The fast reaction (5 minutes) between calcium carbide and cyanuric chloride proceeds in absence of any solvent and displays a facile bottom-up
Yingjie Li et al.
Journal of environmental sciences (China), 68, 169-176 (2018-06-18)
For the first time, a series of alkynyl carbon materials (ACMs) were prepared via the mechanochemical reaction of CaC2 with six polyhalogenated precursors, namely CCl4, C2Cl6, C2Cl4, C6Cl6, C6Br6, and C14H4Br10 (ACM-1, ACM-2, ACM-3, ACM-4, ACM-5, and ACM-6, respectively) and
Production of calcium carbide from fine biochars.
Guodong Li et al.
Angewandte Chemie (International ed. in English), 49(45), 8480-8483 (2010-09-14)
Yan-Ling Li et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(23), 9289-9294 (2013-05-22)
Carbon can exist as isolated dumbbell, 1D chain, 2D plane, and 3D network in carbon solids or carbon-based compounds, which attributes to its rich chemical binding way, including sp-, sp(2)-, and sp(3)-hybridized bonds. sp(2)-hybridizing carbon always captures special attention due
Zhong-yuan Lu et al.
Huan jing ke xue= Huanjing kexue, 27(4), 775-778 (2006-06-14)
To recycle calcium carbide residue effectively, calcium carbide of different crystal form, including global aragonite, calcite and acicular calcium carbide was synthesized. Both the influence of pretreatment in the purity of calcium carbide, and the influence of temperatures of carbonization
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