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21645-51-2
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21645-51-2
| Aluminum hydroxide Basic information | |
| Product Name: | Aluminum hydroxide |
| Synonyms: | alcoac30bf;alcoac330;alcoac333;alugel;alumigel;aluminahydrated;aluminicacid;Aluminiumhydrate |
| CAS: | 21645-51-2 |
| MF: | AlH3O3 |
| MW: | 78 |
| EINECS: | 244-492-7 |
| Product Categories: | INORGANIC & ORGANIC CHEMICALS;PHARMACEUTICALS;Inorganics;Essential Chemicals;Reagent Grade;Routine Reagents;metal hydroxide |
| Mol File: | 21645-51-2.mol |
| Aluminum hydroxide Chemical Properties | |
| Melting point | 300℃ |
| Boiling point | 2980℃[at 101 325 Pa] |
| density | 2.42 g/cm3 at 20 °C |
| vapor pressure | <0.1 hPa (20 °C) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 0.0015g/l |
| form | colloidal suspension |
| color | White |
| Specific Gravity | 2.42 |
| Odor | Odorless |
| PH Range | >7 |
| PH | 8-9 (100g/l, H2O, 20℃)(slurry) |
| Water Solubility | insoluble |
| Merck | 14,342 |
| Solubility Product Constant (Ksp) | pKsp: 32.89 |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| Stability: | Stable. Incompatible with strong bases. |
| CAS DataBase Reference | 21645-51-2(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum hydroxide (21645-51-2) |
Molecular weight | 78 | Mohs hardness | 3 |
Density g/cm3 | 2.4 | Ratio of refraction | 1.58 |
Physical and Chemical Properties
Item Model H-WF -20
Al(OH)3 [%] ≥ 99.7%
Al2O3 [%] ≥ | 64.5 |
SiO2 [%] ≤ | 0.05 |
Fe2O3 [%] ≤ | 0.01 |
Na2O [%] ≤ | 0.30 |
Loss on ignition 灼 减 ≤ | 35.0 |
Attached water水分 ≤ | 0.20 |
+325 mesh 325 目筛上≤ | 10 |
oilabsorption 吸 油率 ≈ 20
Mean particle diameter 粒度（D50） µ m | 18-20 |
Whiteness 白度 [R457] ≥ | 98 |
PH value PH 值 | 10.0±1.5 |
| Aluminum hydroxide Basic information | |
| Product Name: | Aluminum hydroxide |
| Synonyms: | alcoac30bf;alcoac330;alcoac333;alugel;alumigel;aluminahydrated;aluminicacid;Aluminiumhydrate |
| CAS: | 21645-51-2 |
| MF: | AlH3O3 |
| MW: | 78 |
| EINECS: | 244-492-7 |
| Product Categories: | INORGANIC & ORGANIC CHEMICALS;PHARMACEUTICALS;Inorganics;Essential Chemicals;Reagent Grade;Routine Reagents;metal hydroxide |
| Mol File: | 21645-51-2.mol |
| Aluminum hydroxide Chemical Properties | |
| Melting point | 300℃ |
| Boiling point | 2980℃[at 101 325 Pa] |
| density | 2.42 g/cm3 at 20 °C |
| vapor pressure | <0.1 hPa (20 °C) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 0.0015g/l |
| form | colloidal suspension |
| color | White |
| Specific Gravity | 2.42 |
| Odor | Odorless |
| PH Range | >7 |
| PH | 8-9 (100g/l, H2O, 20℃)(slurry) |
| Water Solubility | insoluble |
| Merck | 14,342 |
| Solubility Product Constant (Ksp) | pKsp: 32.89 |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| Stability: | Stable. Incompatible with strong bases. |
| CAS DataBase Reference | 21645-51-2(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum hydroxide (21645-51-2) |
Molecular weight | 78 | Mohs hardness | 3 |
Density g/cm3 | 2.4 | Ratio of refraction | 1.58 |
Physical and Chemical Properties
Item Model H-WF -20
Al(OH)3 [%] ≥ 99.7%
Al2O3 [%] ≥ | 64.5 |
SiO2 [%] ≤ | 0.05 |
Fe2O3 [%] ≤ | 0.01 |
Na2O [%] ≤ | 0.30 |
Loss on ignition 灼 减 ≤ | 35.0 |
Attached water水分 ≤ | 0.20 |
+325 mesh 325 目筛上≤ | 10 |
oilabsorption 吸 油率 ≈ 20
Mean particle diameter 粒度（D50） µ m | 18-20 |
Whiteness 白度 [R457] ≥ | 98 |
PH value PH 值 | 10.0±1.5 |
