21039
碳化钙
granulated, technical, ≥75% (gas-volumetric)
别名:
Calcium acetylide, Calcium dicarbide
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关于此项目
线性分子式:
CaC2
化学文摘社编号:
分子量:
64.10
Beilstein:
3909011
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NA.23
等级
technical
质量水平
方案
≥75% (gas-volumetric)
表单
pieces
质量
granulated
粒径
0.1-1 mm
密度
2.22 g/mL at 25 °C (lit.)
SMILES字符串
[Ca++].[C-]#[C-]
InChI
1S/C2.Ca/c1-2;/q-2;+2
InChI key
UIXRSLJINYRGFQ-UHFFFAOYSA-N
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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
此项目有
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
Xiaoguang Jiao et al.
Science in China. Series C, Life sciences, 48 Suppl 1, 26-32 (2005-08-11)
A field experiment was carried out at the Shenyang Experimental Station of Ecology (CAS) in order to study the effects of slow-release urea fertilizers high polymer-coated urea (SRU1), SRU1 mixed with dicyandiamide DCD (SRU2), and SRU1 mixed with calcium carbide
Production of calcium carbide from fine biochars.
Guodong Li et al.
Angewandte Chemie (International ed. in English), 49(45), 8480-8483 (2010-09-14)
G Malla et al.
Chemosphere, 58(2), 141-147 (2004-12-02)
Mitigation of methane (CH4) and nitrous oxide (N2O) emissions from soil is important to reduce the global warming. Efficacy of five nitrification inhibitors, i.e. neem (Azadirachta melia) cake, thiosulphate, coated calcium carbide, neem oil coated urea and dicyandiamide (DCD) and
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