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CAS No 1305-78-8 , oxocalcium Search by region : China

  • Name: oxocalcium
  • Synonyms: CALX; Quicklime;oxocalcium; Unslaked lime; Calcium monoxide; Gebrannter kalk;CALCIUM OXIDE; Calxyl; Calcia; Burnt lime;
  • CAS Registry Number:
  • Transport: UN 1910
  • Melting Point: 2570 ºC
  • Flash Point: 2850ºC
  • Boiling Point: 2850 ºC
  • Density: 3.3
  • Refractive index: 1.83
  • Safety Statements: R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 2850ºC
  • EINECS: 215-138-9
  • Molecular Weight: 56.0774
  • InchiKey: ODINCKMPIJJUCX-UHFFFAOYSA-N
  • InChI: InChI=1S/Ca.O
  • Risk Statements: S25;S26;S36/37/39;S45
  • Molecular Formula: CaO
  • Molecular Structure:CAS No:1305-78-8 oxocalcium

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1305-78-8 Calcium Oxide

  • Appearance: Off-White powder Product specification: Statutory NO: CAS 1305-78-8 EINECS 215-138-9 Item Index Ca %≥ 65 Moisture %≤ 1.0 Fineness(100mesh) %≥ 98.5 Arsenic %≤ 0.0001 Lead %≤ 0.0001 Cadmium %≤ 0.0001 Hydrochloric acid insolublesubstan...
  • China Penglai Marine Bio-Tech Co., Ltd. [Manufacturer]
  • Tel: 86-0535-5989237
  • Address: No.168Jinchuang Road,Economic Development Zone of Penglai,Shandong, China Yantai/Shandong,ShandongChina
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1305-78-8 Burnt Lime

  • China China Langchem Inc. null
  • Tel: +86-(21)-58956006
  • Fax: +86-(21)-58956100
  • Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203, null,nullChina
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1305-78-8 Burnt Lime

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1305-78-8 Calcium oxide

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1305-78-8 Burnt Lime

  • China Haihang Industry Co., Ltd. null
  • Tel: +86-(531)-88032799
  • Fax: +86-(531)-85821093
  • Address: 2/F, East Tower, Bldg 12, No. 2 Qilihe Road, Jinan 250100, null,nullChina
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1305-78-8 Burnt Lime

  • China Laiwu Hehui Chemical Co.,Ltd. null
  • Tel: +86-(531)-88772589
  • Fax: +86-(531)-88772589
  • Address: Huashan Rd., Jinan City, Shandong 250000, null,nullChina
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1305-78-8 Calcium oxide

  • China Shanghai Experiment Reagent Co.,LTD. [Manufacturers]
  • Tel: 0086-21-56558317 56553837
  • Fax: +86-21-56553837
  • Address: 10-603, No.555 Luding Road (No.1000 North Zhongshan Road),Shanghai Shanghai,ShanghaiChina
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1305-78-8 Calcium Oxide

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1305-78-8 CALCIUM OXIDE

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1305-78-8 calcium oxide

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References of oxocalcium
Title: Calcium Oxide
CAS Registry Number: 1305-78-8
Synonyms: Lime; burnt lime; calx; quicklime
Molecular Formula: CaO
Molecular Weight: 56.08
Percent Composition: Ca 71.47%, O 28.53%
Literature References: Properly stored lime of commerce contains 90-95% free CaO. Commercial production from limestone: W. L. Faith et al., Industrial Chemicals (John Wiley, New York, 3rd ed., 1965) pp 482-487. Lab prepn by ignition of CaCO3: Ehrlich in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 931. Review: R. S. Boynton in Kirk-Othmer Encyclopedia of Chemical Technology vol. 14 (Wiley-Interscience, New York, 3rd ed., 1981) pp 343-382.
Properties: Crystals, white or grayish-white lumps, or granular powder; commercial material sometimes has a yellowish or brownish tint, due to iron. mp 2572°; bp 2850°; d 3.32-3.35. Readily absorbs CO2 and H2O from air, becoming air-slaked. Sol in water forming Ca(OH)2 and generating a large quantity of heat; sol in acids, glycerol, sugar soln; practically insol in alc. Keep tightly closed and dry.
Melting point: mp 2572°
Boiling point: bp 2850°
Density: d 3.32-3.35
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, upper respiratory tract; ulceration or perforation of nasal septum; pneumonia; dermatitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 48.
Use: In bricks, plaster, mortar, stucco and other building and construction materials; manuf of steel, aluminum, magnesium, and flotation of non-ferrous ores; manuf of glass, paper, Na2CO3 (Solvay process), Ca salts and many other industrial chemicals; dehairing hides; clarification of cane and beet sugar juices; in fungicides, insecticides, drilling fluids, lubricants; water and sewage treatment; in laboratory to absorb CO2 (the combination with NaOH is known as soda-lime, q.v.).