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12230-71-6

Name Barium hydroxide octahydrate
CAS 12230-71-6
EINECS(EC#) 241-234-5
Molecular Formula BaH18O10
MDL Number MFCD00149152
Molecular Weight 315.46
MOL File 12230-71-6.mol
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Chemical Properties

Description
Barium hydroxide is available as colourless or white crystals. It is odourless and soluble in water. It is stable under ordinary conditions of use and storage. It is incompatible with acids, oxidisers, and chlorinated rubber. Barium hydroxide is corrosive to metals such as zinc. Barium hydroxide is very alkaline and rapidly absorbs carbon dioxide from air, becoming completely insoluble in water. Barium hydroxide is used in analytical chemistry for the titration of weak acids. Barium hydroxide is used in organic synthesis as a strong base. Barium hydroxide decomposes to barium oxide when heated to 800°C.
Appearance white crystalline powder
Melting point  78 °C(lit.)
Boiling point  780°C
density  2.18
storage temp.  Store at +5°C to +30°C.
solubility  72g/l
form  Solid
color  White
Specific Gravity 2.18
Odor Odorless
PH 14 (H2O, 20℃)(saturated aqueous solution)
PH Range 12.5 at 50 g/l at 20 °C
Stability: Stable.
Water Solubility  56 g/L (15 ºC)
Sensitive  Air Sensitive & Hygroscopic
Merck  14,977
CAS DataBase Reference 12230-71-6(CAS DataBase Reference)

Safety Data

Hazard Codes  C
Risk Statements 
R20/22:Harmful by inhalation and if swallowed .
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3262 8/PG 2
WGK Germany  1
RTECS  CQ9200000
F  9-34
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28164000
Toxicity
LD50 orally in Rabbit: 550 mg/kg

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