Baryum Klorür   Dihidrat pure  250 GR

Baryum Klorür Dihidrat pure 250 GR

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Stok Kodu
BC.100380.000250
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Stokta Var
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Barium chloride
Names
Other names
  • Barium dichloride
  • Barium muriate
  • Muryate of Barytes[1]
  • Neutral barium chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.704 Edit this at Wikidata
EC Number
  • 233-788-1
PubChem CID
RTECS number
  • CQ8750000 (anhydrous)
    CQ8751000 (dihydrate)
UNII
UN number 1564
Properties
BaCl2
Molar mass 208.23 g/mol (anhydrous)
244.26 g/mol (dihydrate)
Appearance White powder, or colourless or white crystals (anhydrous)
Colourless rhomboidal crystals (dihydrate)[2][3]
Odor Odourless
Density 3.856 g/cm3 (anhydrous)
3.0979 g/cm3 (dihydrate)
Melting point 962 °C (1,764 °F; 1,235 K) (960 °C, dihydrate)
Boiling point 1,560 °C (2,840 °F; 1,830 K)
  • 31.2 g/(100 mL) (0 °C)
  • 35.8 g/(100 mL) (20 °C)
  • 59.4 g/(100 mL) (100 °C)
Solubility Soluble in methanol, insoluble ethyl acetate, slightly soluble in hydrochloric acid and nitric acid, very slightly soluble in ethanol.[4][3] The dihydrate of barium chloride is soluble in methanol, almost insoluble in ethanol, acetone and ethyl acetate.[3]
−72.6·10−6 cm3/mol
Structure
PbCl2-type orthorhombic (anhydrous)
monoclinic (dihydrate)
  • Of the Ba2+ cations:
  • 8 (the fluorite polymorph)
  • 9 (the cotunnite polymorph)
  • 10 (the post-cotunnite polymorph at pressures of 7–10 GPa)
Thermochemistry
Std molar
entropy
 (S298)
123.9 J/(mol·K)
−858.56 kJ/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Highly toxic, corrosive
GHS labelling:
GHS06: Toxic
Danger
H301H302H332
P261P264P270P271P301+P310P304+P312P304+P340P312P321P330P405P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas Flammability 0: Will not burn. E.g. water Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen Special hazards (white): no code
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose)
78 mg/kg (rat, oral)
50 mg/kg (guinea pig, oral)[6]
112 mg/kg (as Ba) (rabbit, oral)
59 mg/kg (as Ba) (dog, oral)
46 mg/kg (as Ba) (mouse, oral)[6]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 0.5 mg/m3[5]
REL (Recommended)
TWA 0.5 mg/m3[5]
IDLH (Immediate danger)
50 mg/m3[5]
Safety data sheet (SDS) NIH BaCl
Related compounds
Other anions
Other cations
Supplementary data page
Barium chloride (data page)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa)
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Baryum Klorür Dihidrat pure 250 GR BC.100380.000250
Baryum Klorür   Dihidrat pure  250 GR

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