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10022-31-8

Name Barium nitrate
CAS 10022-31-8
EINECS(EC#) 233-020-5
Molecular Formula BaN2O6
MDL Number MFCD00003442
Molecular Weight 261.34
MOL File 10022-31-8.mol

Chemical Properties

Description
Barium nitrate is a stable, strong oxidiser. It is incompatible with combustible material, reducing agents, acids, acid anhydrides, and moisture-sensitive substance. Barium nitrate is poisonous, is a respiratory irritant, and is hazardous if mixed with flammable materials. Barium oxide plus zinc, aluminium and magnesium alloys are combustibles (paper, oil, wood), acids, and oxidisers and is hazardous. Mixtures with finely divided aluminium– magnesium alloys are easily ignitable and extremely sensitive to friction or impact. Barium nitrate mixed with aluminium powder, a formula for flash powder, is highly explosive. However, barium nitrate is noncorrosive in presence of glass. It is used in military thermite grenades, in the manufacturing process of barium oxide, in the vacuum tube industry, and in pyrotechnics for green fire.
Appearance Barium Nitrate is a shiny, white crystalline solid.
Melting point  592 °C (dec.)(lit.)
density  3.23
storage temp.  Store at +5°C to +30°C.
solubility  94g/l
form  Solid
color  White
Specific Gravity 3.24
Odor odorless
PH 5.0-8.0 (50g/l, H2O, 25℃)
Stability: Stable. Strong oxidizer-contact with combustible material may lead to fire. Incompatible with combustible material, reducing agents, acids, acid anhydrides. Moisture sensitive.
Water Solubility  9 g/100 mL (20 ºC)
Sensitive  Hygroscopic
Merck  14,983
Solubility Product Constant (Ksp) pKsp: 2.33
Dielectric constant 5.8(0.0℃)
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChIKey IWOUKMZUPDVPGQ-UHFFFAOYSA-N
CAS DataBase Reference 10022-31-8(CAS DataBase Reference)
EPA Substance Registry System 10022-31-8(EPA Substance)

Safety Data

Hazard Codes  O,Xn,Xi,C
Risk Statements 
R8:Contact with combustible material may cause fire.
R20/22:Harmful by inhalation and if swallowed .
R36/38:Irritating to eyes and skin .
R34:Causes burns.
R26:Very Toxic by inhalation.
R25:Toxic if swallowed.
Safety Statements 
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S17:Keep away from combustible material .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36:Wear suitable protective clothing .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
RIDADR  UN 1446 5.1/PG 2
WGK Germany  1
RTECS  CQ9625000
TSCA  Yes
HazardClass  5.1
PackingGroup  II
HS Code  28342990
storage Barium nitrate should be kept stored in a tightly closed container, in a cool, dry, venti- lated area, protected against physical damage. It should be separated from heat, sources of ignition, incompatible substances, combustibles, and organic or other readily oxidizable materials. Barium nitrate should not be stored on wood l oors or with food and beverages
Precautions After accidental exposures to barium nitrate by ingestion, swallow, or inhalation, workers should induce vomiting immediately as directed by medical personnel. Never give any- thing by mouth to an unconscious person. Get medical attention immediately
Safety Profile
A poison by ingestion, subcutaneous, parenteral, and intravenous routes. An irritant to slun and eyes. When heated to decomposition it emits very toxic fumes of NO,. An oxiduer. Mixtures with finely divided aluminum-magnesium alloys are easily ignitable and extremely sensitive to friction or impact. Such mixtures are used in chemical photoflash applications. Incompatible with (Mg + BaO2 + Zn), Al, and Mg alloys. When heated to decomposition it emits toxic fumes of NO,. See also BARIUM COMPOUNDS (soluble) and NITRATES.
Hazardous Substances Data 10022-31-8(Hazardous Substances Data)
Toxicity
LD50 i.v. in ICR mice: 20.10 mg Ba2+/kg (Syed, Hosain)

Hazard Information

Material Safety Data Sheet(MSDS)

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