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20281-00-9

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20281-00-9 Structure

20281-00-9 Structure
IdentificationBack Directory
[Name]

CESIUM OXIDE
[CAS]

20281-00-9
[Synonyms]

Oxydicesium
dicesium oxide
Einecs 243-679-0
Cesium oxide (cs2o)
[EINECS(EC#)]

243-679-0
[Molecular Formula]

Cs2O
[MDL Number]

MFCD00010958
[MOL File]

20281-00-9.mol
[Molecular Weight]

281.81
Chemical PropertiesBack Directory
[Melting point ]

490°C
[density ]

4.650
[solubility ]

very soluble in H2O
[form ]

yellow-orange hexagonal crystals
[color ]

yellow-orange hexagonal, hexane crystals, crystalline
[Water Solubility ]

very soluble H2O; soluble acids [HAW93]
[CAS DataBase Reference]

20281-00-9
[EPA Substance Registry System]

Cesium oxide (Cs2O) (20281-00-9)
Hazard InformationBack Directory
[Chemical Properties]

6mm pieces and smaller with 99% purity; yellow-brown powder(s); lemon yellow at ?80°C, reddish orange crystal(s) at room temp, cherry red >180°C [KIR79] [HAW93] [STR93] [CER91]
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H319-H314-H315-H318-H411
[Precautionary statements ]

P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P264-P280-P302+P352-P321-P332+P313-P362-P280-P305+P351+P338-P310-P264-P280-P305+P351+P338-P337+P313P
[RIDADR ]

3180
[HazardClass ]

4.1
[PackingGroup ]

II
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