21039
Calcium carbide
granulated, technical, ≥75% (gas-volumetric)
Synonym(s):
Calcium acetylide, Calcium dicarbide
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About This Item
Linear Formula:
CaC2
CAS Number:
Molecular Weight:
64.10
Beilstein:
3909011
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
grade
technical
Assay
≥75% (gas-volumetric)
form
pieces
quality
granulated
particle size
0.1-1 mm
density
2.22 g/mL at 25 °C (lit.)
SMILES string
[Ca++].[C-]#[C-]
InChI
1S/C2.Ca/c1-2;/q-2;+2
InChI key
UIXRSLJINYRGFQ-UHFFFAOYSA-N
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General description
Calcium carbide (CaC2), also referred to as calcium acetylide, is an ionic compound. Technical grade CaC2 is a grey solid with a granular form. The material is reactive with water and forms acetylene gas and calcium hydroxide. Our technical grade material consists of ≥75% CaC2 with the remainder of the composition being calcium oxide, phosphides, sulfides, and nitrides. CaC2 is extensively utilized in the production of acetylene and calcium cyanamide. Additionally, it has been explored in producing phase change materials and as a shape-stabilized phase change material for the efficient utilization of solar energy. Furthermore, it is being investigated as an electrode material for rechargeable calcium batteries.
Application
- NUCLEOPHILIC ADDITION OF PHOSPHINOXIDES AND ALCOHOLS TO ACETYLENE GENERATED in situ FROM CALCIUM CARBIDE: This study discusses the reactivity of acetylene generated from calcium carbide for various organic synthesis applications (Aleksandrovna, 2024).
- Construction of 3-Methyl-2-Substituted Benzofurans and 3-Methyl-2-Substituted Benzothiophenes Using Solid Calcium Carbide as a Substitute for Gaseous …: Describes a synthetic method using solid calcium carbide in organic synthesis, highlighting its practicality and environmental benefits (Wang et al., 2024).
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 1
Target Organs
Respiratory system
Storage Class Code
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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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
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
Zhenhua Chen et al.
Ying yong sheng tai xue bao = The journal of applied ecology, 16(2), 238-242 (2005-04-28)
With simulation test of in-situ soil column, this paper studied the effects of urease inhibitor hydroquinone (HQ), nitrification inhibitors coated calcium carbide (ECC) and dicyandiamide (DCD),and their different combinations on the persistence, oxidation, and leaching of soil urea's hydrolyzed product
[Nasal septum perforation caused by calcium carbide dust].
H Seeber et al.
Zeitschrift fur arztliche Fortbildung, 83(24), 1267-1269 (1989-01-01)
Zhewang Lin et al.
ChemSusChem, 5(4), 625-628 (2012-03-02)
AHA Erlebnis: CaC(2), used to produce acetylene until several decades ago, is re-emerging as a cheap, sustainable resource synthesized from coal and lignocellulosic biomass. We report efficient catalytic protocols for the synthesis of functional acetylene derivatives from CaC(2) through aldehyde
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