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Barium hydroxide monohydrate

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Barium hydroxide monohydrate Basic information

Product Name:
Barium hydroxide monohydrate
CAS:
22326-55-2
MF:
BaH4O3
MW:
189.36
EINECS:
606-983-8
Mol File:
22326-55-2.mol
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Barium hydroxide monohydrate Chemical Properties

Melting point:
78 °C(lit.)
Density 
3.743 g/mL at 25 °C(lit.)
form 
Crystalline
color 
White
Water Solubility 
Soluble in water.
Sensitive 
Air Sensitive & Hygroscopic
InChIKey
GKQTUHKAQKWLIN-UHFFFAOYSA-L
CAS DataBase Reference
22326-55-2(CAS DataBase Reference)
EPA Substance Registry System
Barium hydroxide (Ba(OH)2), monohydrate (22326-55-2)
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Safety Information

Hazard Codes 
C
Risk Statements 
20/22-34
Safety Statements 
26-36/37/39-45-28
RIDADR 
UN 3262 8/PG 3
WGK Germany 
1
RTECS 
CQ9200000
3-9-34
HazardClass 
8

MSDS

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Barium hydroxide monohydrate Usage And Synthesis

Chemical Properties

white powder(s); formed when barium hydroxide octahydrate is “boiled dry” in CO2 free atmospheric; used in manufacturing oil and grease additives, soaps, and in refining beet sugar [KIR78] [MER06] [HAW93]

General Description

Barium hydroxide monohydrate is a white powder. Barium hydroxide monohydrate is slightly soluble in water. Barium hydroxide monohydrate is corrosive to metals and tissue. Barium hydroxide monohydrate is used in water purification, to make lubricating and oil additives, to make barium containing chemicals and for many other uses.

Air & Water Reactions

The amount of heat generated by hydrolysis may be large. Slightly soluble in water.

Reactivity Profile

Barium hydroxide monohydrate reacts similarly to sodium hydroxide (NaOH), but is less soluble in water. Neutralizes acids exothermically to form salts plus water. Can react with aluminum and zinc to form oxides or hydroxides of the metal and generate gaseous hydrogen. May initiate polymerization reactions in polymerizable organic compounds, especially epoxides. May generate flammable and/or toxic gases with ammonium salts, nitrides, halogenated organics, various metals, peroxides, and hydroperoxides. Intimate mixtures with chlorinated rubber have when heated been explosive during the milling process [ABCM Quart. Safety Summ., 1963, 34, 12].

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Barium hydroxide monohydrate Preparation Products And Raw materials

Raw materials

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