Calcium Carbide(CAS:75-20-7)
Commodity: Calcium carbide Molecular formula:CaC2 Molecule Weight: 64.10 H.S code:28491000 CAS: 75-20-7 UN NO.1402 HAZARD CLASS: 4.3 Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide. Appearance: Grey, black solid, purple when its purity is more than 90%. Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm Package: Net in 100kg or 50kg new iron drums with nitrogen. Specification: GB10665-2004 Specification Superfine Grade First Grade Second Grade Gas yield(L/kg)L/kg 305 295-305 285-295 PH3 content in acetylene (PH3%) 0.06 0.08 0.08 H2S content in acetylene (H2S%) 0.1 0.1 0.1 Loading weight in 1 x 20fcl:22.5mt
1. It is called calcium carbide( CaC2). It is a hard lump and the cross section is dark grey or brown. 2. It is lumpy substance, its surface is a little deep gray, has slight nasty smell. 3. It can produce acetylene gas when met water, it can burn when meets fire. 4.The acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3% - 81%).
Supplier: Food commodities, agriculture products, chemicals
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chemicals:
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hydrochloric acid 33%
sodium hypochlorite 10 12%
sodium hydroxide 50%
caustic soda flakes
caustic soda prills 99%
chlorine
calcium chloride 36%
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Buyer: Food commodities, agriculture products, chemicals
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Product Description 1. Calcium chloride is used as a refrigerating agent and antifreeze agent, can accelerate the hardening of concrete and increase the tolerance of building mortar.Used as a preservative.Used for the finishing and finishing of cotton fabric. 2. Calcium chloride is used as desiccant, dehydrating agent, refrigerant, air and automobile internal combustion engine, anti-freeze agent, antifreeze agent, fabric fire retardant, food preservative, etc. Product Application 1.Petroleum : Oil field drilling,stabilizing mud layar,lubricating drilling,making hole plug,fixing oil well. 2.Water treatment : Calcium ions can precipitate most anions.Chloride ions precipitate cations,and can also oxidize ions to purify wastewater. 3.Cryogen : Calcium Chloride solution is an important refrigerant for refrigerators and ice making. 4.Used for snow meltin and deicing on roads, expressways, parking lots and ports. 5.As fog removing agent and dust collecting agent on road, pot 6.As a dryer to dry nitrogen, oxygen, hydrogen, hydrogen chloride and sulfur dioxide etc. 7.As dehydration agent when producing alcohol, ester, ether and acrylic acid. 8.It can increase hardness of concrete and increase cold resistance ability of the construction. 9.As fireproof agent of textile ,coal mine. 10.As a protective agent and refining agent used in aluminum magnesium metallurgy. 11.As precipitator in producing lake paint. It is a kind of raw material of producing calcium salt. In algae sodium and bean industry it acts as flocculation