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  2. 1305-78-8
Calcium oxide | 1305-78-8

Product name:Calcium oxide

CAS No:1305-78-8
MF:CaO
MW:56.077
MDL:MFCD00010911
CID:41169
Names and Identifiers
  • Calcium oxide
  • FLUXING LIME
  • LIME, CAUSTIC
  • LIME
  • CAUSTIC
  • BURNT LIME
  • CALX
  • CALCIUM (II) OXIDE
  • Calcium oxide (ACS grade)
  • Calcia
  • Calcium oxide,powder
  • Lime,Quicklime
  • oxocalcium
  • QuickliMe
  • S130
  • Calcium oxide,AR
  • Calcium oxide,CP
  • Calcium oxide,SP
  • CaO
  • cml21
  • cml31
  • calxyl
  • airlock
  • Dynacal
  • Calcium oxide
  • Calcium oxide powder
  • Sintered lime
  • Calcium oxide (granular)
  • Calcium oxide (lump)
  • MDL:MFCD00010911
  • InChIKey:ODINCKMPIJJUCX-UHFFFAOYSA-N
  • Inchi:1S/Ca.O/q+2;-2
  • SMILES:[Ca].O
Chemical and Physical Properties

Computed Properties

  • Exact Mass: 55.95750
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 1
  • Rotatable Bond Count: 0
  • Heavy Atom Count: 2
  • Complexity: 2
  • Isotope Atom Count: 0
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Covalently-Bonded Unit Count: 1
  • XLogP3: nothing
  • Tautomer Count: nothing
  • Surface Charge: 0

Experimental Properties

  • LogP: -0.11880
  • PSA: 17.07000
  • Merck: 14,1686
  • Refractive Index: 1.83
  • Water Partition Coefficient: React
  • Boiling Point: 2850 °C(lit.)
  • Melting Point: 2570 ºC
  • Flash Point: 2850°C
  • Solubility: 1.65g/l Risk of violent reaction.
  • Color/Form: White amorphous powder, gray or light yellow when containing impurities, with hygroscopicity. [1]
  • PH: 12.6 (H2O, 20℃)(saturated solution)
  • Stability/Shelf Life: Stability Stable, but absorbs carbon dioxide from the air. Incompatible with water, moisture, fluorine, strong acids.
  • Solubility: Insoluble in ethanol, soluble in acid and glycerol. [6]
  • Sensitiveness: Air & Moisture Sensitive
  • Density: 3.3 g/mL at 25 °C(lit.)
Security Information
  • Symbol: GHS05
  • RTECS:EW3100000
  • WGK Germany:1
  • Safety Term:8
  • Safety Instruction:S26-S36/37/39-S45-S25-S39
  • Packing Group:III
  • Risk Phrases:R34
  • खतरनाक माल साइन: C C
  • Hazardous Material transportation number:1910
  • Hazard Statement:H314
  • Warning Statement:P280,P305+P351+P338,P310
  • PackingGroup:III
  • Hazard Category Code:37/38-41
  • Signal Word:Danger
  • TSCA:Yes
  • HazardClass:8
  • FLUKA BRAND F CODES:10-21-34
Customs Data
  • HS CODE:2825909000
  • Customs Data:

    China Customs Code:

    2825909000
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