Shijiazhuang Xinlongwei Chemical Co., Ltd.

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Reliable Manufactutre! High Quality Calcium Carbide for Welding

FOB Price:US $500 / Ton
Min. Order (Tons) FOB Price
20+ US $500 / Ton
Get Latest Price
Min. Order: 20 Tons
Payment Terms: L/C, T/T

Basic Info.

Model NO.:Calcium Carbide

Product Description

CAS No. 75-20-7
Other NamesCalcium Carbide
MFCaC2
EINECS No. 200-848-3
Place of OriginHebei, China (Mainland)
Grade StandardIndustrial Grade, Medicine Grade, Agriculture Grade, Reagent Grade
Purity99%
Appearanceblack massive objects
Applicationindustrial acetylene gas
Brand NameXLW
Model Number75-20-7
Granule4-25mm / 15-25mm / 25-50mm / 50-80mm / 80-120mm
Gas Yield295 l/kg calcium carbide (CaC2)
UN NO. 1402
HS NO. 28491400
Hazard Class4
StandardGB10665-2004
Colorgrey
Molecular Weight64.1
PH3(V/V)0.07%
H2S(V/V)0.009%


Applications of calcium carbide
1 Production of acetylene
The reaction of calcium carbide with water, producing acetylene and calcium hydroxide, was discovered byFriedrich Wö Hler in 1862.
CaC2 + 2 H2O C2H2 + Ca(OH)2
This reaction was the basis of the industrial manufacture of acetylene, and is the major industrial use of calcium carbide.

2 Production of calcium cyanamide
Calcium carbide reacts with nitrogen at high temperature to form calcium cyanamide:
CaC2 + N2 CaCN2 + C
Calcium cyanamide is used as fertilizer. It is hydrolysed to cyanamide, H2NCN.

3 Other uses
In the artificial ripening of fruit, calcium carbide is sometimes used as source of acetylene gas, which is a ripening agent similar toethylene. However, this is illegal as consumption of fruits artificially ripened using calcium carbide can cause serious health problems in those who partake them.
1. Name Calcium Carbide
2. Molecular formula   CaC2
3. UN NO. 1402
4. Class 4.3
5. HS code 28491000
6. Gas yield20 101.3 Kpa ≥295L/KG
7. PH3(V/V) ≤0.08%
8. H2S(V/V) ≤0.1%
9. Molecular weight 64.10 (according to 1995 international relative atomic mass)
10. SIZE   4-8,8-15,15-25,25-50,50-80,80-120MM
11. Packing 50kg  or 100kg iron drum
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Shijiazhuang Xinlongwei Chemical Co., Ltd.

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