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Barium sulfate Structure

Barium sulfate

Chemical Properties

Melting point 1580 °C
Boiling point decomposes at 1580℃ [KIR78]
Density  4.5
storage temp.  Storage temperature: no restrictions.
solubility  water: insoluble
form  powder
Specific Gravity 4.5
color  White to yellow
PH 3.5-10.0 (100g/l, H2O, 20℃)suspension
PH Range 7
Water Solubility  0.0022 g/L (50 ºC)
Merck  14,994
Solubility Product Constant (Ksp) pKsp: 9.97
Exposure limits ACGIH: TWA 5 mg/m3
OSHA: TWA 15 mg/m3; TWA 5 mg/m3
NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Stability Stable.
CAS DataBase Reference 7727-43-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances BARIUM SULFATE
FDA 21 CFR 175.105; 176.170; 177.2600; 178.3297
EWG's Food Scores 2
NCI Dictionary of Cancer Terms barium sulfate; barium swallow
EPA Substance Registry System Barium sulfate (7727-43-7)


Signal wordWarning
Hazard statements H315-H319
Precautionary statements <ahref="/Hazard-Statements.pdf">P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard Codes  Xn
Risk Statements  20/21/22-36/37/38
Safety Statements  22-24/25-36-26
WGK Germany  -
RTECS  CR0600000
HS Code  28332700
Hazardous Substances Data 7727-43-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 20000 mg/kg
NFPA 704:
1 0

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