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Barium nitrate
Barium nitrate
- CAS:
- 10022-31-8
- MF:
- BaN2O6
- MW:
- 261.34
Properties
- Melting point:
- 592 °C (dec.)(lit.)
- Density
- 3.23
- storage temp.
- Store at +5°C to +30°C.
- solubility
- 94g/l
- form
- Solid
- Specific Gravity
- 3.24
- color
- White
- Odor
- odorless
- PH
- 5.0-8.0 (50g/l, H2O, 25℃)
- 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
- Stability:
- Stable. Strong oxidizer - contact with combustible material may lead to fire. Incompatible with combustible material, reducing agents, acids, acid anhydrides. Moisture sensitive.
- InChIKey
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N
Safety Information
- Symbol(GHS)
GHS03,GHS06
- Signal word
- Danger
- Hazard statements
- H272-H301-H319-H332
- Precautionary statements
- P210-P220-P261-P301+P310-P304+P340+P312-P305+P351+P338
- Hazard Codes
- O,Xn,Xi,C
- Risk Statements
- 8-20/22-36/38-34-26-25
- Safety Statements
- 28-28A-17-26-45-36/37/39-36-23
- OEB
- C
- OEL
- TWA: 0.5 mg/m3 [*Note: The REL also applies to other soluble barium compounds (as Ba) except Barium sulfate.]
- RIDADR
- UN 1446 5.1/PG 2
- WGK Germany
- 1
- RTECS
- CQ9625000
- TSCA
- Yes
- HazardClass
- 5.1
- PackingGroup
- II
- HS Code
- 28342990
- Toxicity
- LD50 i.v. in ICR mice: 20.10 mg Ba2+/kg (Syed, Hosain)
Use
Barium nitrate is a stable, strong oxidizer. It is incompatible with combustible material, reducing agents, acids, acid anhydrides, and moisture sensitive substance. It is haz- ardous as magnesium plus barium oxide plus zinc, aluminum and magnesium alloys, combustibles (paper, oil, wood), acids, and oxidizers. Mixtures with i nely divided aluminum-magnesium alloys are easily ignitable and extremely sensitive to friction or impact. Barium nitrate on contact with combustible materials will ignite. Barium nitrate mixed with aluminum powder, a formula for l ash powder is highly explosive. However, barium nitrate is non-corrosive in the presence of glass. It is used in military thermite grenades, in the manufacturing process of barium oxide, the vacuum tube industry, and for green i re in pyrotechnics.
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