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21039

Sigma-Aldrich

Calcium carbide

granulated, technical, ≥75% (gas-volumetric)

Sinónimos:

Calcium acetylide, Calcium dicarbide

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About This Item

Fórmula lineal:
CaC2
Número de CAS:
75-20-7
Peso molecular:
64.10
Beilstein/REAXYS Number:
3909011
EC Number:
200-848-3
MDL number:
MFCD00010905
UNSPSC Code:
12352300
PubChem Substance ID:
57647894
NACRES:
NA.23

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).

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Danger

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 1

target_organs

Respiratory system

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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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
H Kjuus et al.
British journal of industrial medicine, 43(4), 237-242 (1986-04-01)
The overall mortality and the incidence of cancer have been studied among male employees at a plant producing calcium carbide. The cohort was defined as all men employed at the plant for at least 18 months in the period 1953
A Khalid et al.
Mikrobiologiia, 75(2), 277-283 (2006-06-09)
Various compounds have been identified as precursors/substrates for the synthesis of ethylene (C2H4) in soil. This study was designed to compare the efficiency of four substrates, namely L-methionine (L-MET), 2-keto-4-methylthiobutyric acid (KMBA), 1-aminocyclopropane-1-carboxylic acid (ACC), and calcium carbide (CaC2) for
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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