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7727-43-7
bosschem
7727-43-7
Barium sulfate Basic information | |
Product Name: | Barium sulfate |
CAS: | 7727-43-7 |
MF: | BaO4S |
MW: | 233.39 |
EINECS: | 231-784-4 |
Mol File: | 7727-43-7.mol |
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 |
color | White to yellow |
Specific Gravity | 4.5 |
PH Range | 7 |
PH | 3.5-10.0 (100g/l, H2O, 20℃)suspension |
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) |
EPA Substance Registry System | Barium sulfate (7727-43-7) |
检 验 项 目 | 检 验 标 准 | 检 验 结 果 |
T e s t I t e m | T e s t S t a n d a r d | T e s t r e s u l t |
性状 | 白色结晶性粉末 | 合格 |
(Characters) | (White crystalline powder) | (Conform) |
含量 | 99.00% | 99.50% |
(Assay) | ||
盐酸可溶物 | ||
(Hydrochloric acid soluble | 0.15% | 0.11% |
substance) | ||
灼烧失重 | 1.50% | 1.00% |
(Loss on ignition) | ||
氯化物 | 0.01% | 0.00% |
(Chloride) | ||
可溶性硫酸盐 | ||
(Soluble sulfate) | 0.01% | 0.00% |
总氮量 | 0.01% | 0.00% |
(Total nitrogen) | ||
铁 | ||
(Iron) | 0.00% | 0.00% |
砷 | 0.00% | 0.00% |
(Arsenic) | ||
可溶性钡盐 | 0.00% | 0.00% |
(Soluble barium salt) | ||
重金属 | 0.00% | 0.00% |
(Heavy metal) |
Barium sulfate Basic information | |
Product Name: | Barium sulfate |
CAS: | 7727-43-7 |
MF: | BaO4S |
MW: | 233.39 |
EINECS: | 231-784-4 |
Mol File: | 7727-43-7.mol |
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 |
color | White to yellow |
Specific Gravity | 4.5 |
PH Range | 7 |
PH | 3.5-10.0 (100g/l, H2O, 20℃)suspension |
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) |
EPA Substance Registry System | Barium sulfate (7727-43-7) |
检 验 项 目 | 检 验 标 准 | 检 验 结 果 |
T e s t I t e m | T e s t S t a n d a r d | T e s t r e s u l t |
性状 | 白色结晶性粉末 | 合格 |
(Characters) | (White crystalline powder) | (Conform) |
含量 | 99.00% | 99.50% |
(Assay) | ||
盐酸可溶物 | ||
(Hydrochloric acid soluble | 0.15% | 0.11% |
substance) | ||
灼烧失重 | 1.50% | 1.00% |
(Loss on ignition) | ||
氯化物 | 0.01% | 0.00% |
(Chloride) | ||
可溶性硫酸盐 | ||
(Soluble sulfate) | 0.01% | 0.00% |
总氮量 | 0.01% | 0.00% |
(Total nitrogen) | ||
铁 | ||
(Iron) | 0.00% | 0.00% |
砷 | 0.00% | 0.00% |
(Arsenic) | ||
可溶性钡盐 | 0.00% | 0.00% |
(Soluble barium salt) | ||
重金属 | 0.00% | 0.00% |
(Heavy metal) |