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HomeProduct name listBarium hydroxide monohydrate

Barium hydroxide monohydrate

  • CAS NO.:22326-55-2
  • Empirical Formula: BaH4O3
  • Molecular Weight: 189.36
  • MDL number: MFCD00149151
  • EINECS: 606-983-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-10-17 17:11:53
Barium hydroxide monohydrate Structural

What is Barium hydroxide monohydrate?

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]

The Uses of Barium hydroxide monohydrate

Barium hydroxide monohydrate is used in water purification. It is used to prepare lubricating and oil additives as well as a precursor to other barium compounds. It is also used to dehydrate and remove sulfate from various products.

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.

Properties of Barium hydroxide monohydrate

Melting point: 78 °C(lit.)
Density  3.743 g/mL at 25 °C(lit.)
solubility  soluble in acid solutions
form  Crystalline
color  White
Water Solubility  Soluble in water.
Sensitive  Air Sensitive & Hygroscopic
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
CAS DataBase Reference 22326-55-2(CAS DataBase Reference)
EPA Substance Registry System Barium hydroxide (Ba(OH)2), monohydrate (22326-55-2)

Safety information for Barium hydroxide monohydrate

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H314:Skin corrosion/irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Barium hydroxide monohydrate

InChIKey GKQTUHKAQKWLIN-UHFFFAOYSA-L

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