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Product Name |
Sodium bicarbonate |
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|
Formula |
CHNaO3 |
Molecular Weight |
84.01 |
|
CAS NO. |
144-55-8 |
Quantity |
500KG |
|
Items |
Specification |
Results |
|
Appearance |
White powder or opaque monoclinic fine crystal |
Conforms |
|
Assay |
≥99.0% |
99.31% |
|
Boiling point |
851 ° C | 851 ° C |
| Melting point |
>300 ° C (lit.) |
302 °C |
|
CONCLUSION |
The result conform with standard |
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Melting point >300 ° C (lit.)
Boiling point 851 ° C
Density 2.16g/mlat25 ° C (lit.)
Refractive index 1.500
Storage condition 2-8 ° C
Solubility h2o:1mat20 ° C, clear, colorless
Form solution (7.5%)
Color white
Specific gravity 2.159
Odor odorless
PH value range of acid-base indicator discoloration 7.8-8.2
PH value 8.27 (1mmsolution); 8.22(10mMsolution); 8.02(100mMsolution);
Acidity coefficient (PKA) (1) 6.37, (2) 10.25 (carbonic (AT25 ℃)
Water solubility 9g/100ml (20 º C)
Synthesis of organic intermediates.
