Carstic Soda Flakes
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Sodium hydroxide |
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Other names |
Caustic soda Lye |
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Identifiers | |
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CAS number |
1310-73-2 |
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PubChem |
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EC number |
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UN number |
1823 |
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RTECS number |
WB4900000 |
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ID |
14114 |
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Properties | |
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Molecular formula |
NaOH |
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Molar mass |
39.9971 g/mol |
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Appearance |
white solid, hygroscopic |
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Density |
2.13 g/cm3 |
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Melting point |
323 °C, 596 K, 613 °F |
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Boiling point |
1388 °C, 1661 K, 2530 °F |
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in water |
111 g/100 ml (20 °C) |
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Solubility in |
13.9 g/100 mL |
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in methanol |
23.8 g/100 mL |
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Solubility in |
soluble |
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Refractive index (nD) |
1.412 |