Sodium Hydrogen Carbonate
- Product NameSodium Hydrogen Carbonate
- CAS144-55-8
- CBNumberCB00130472
- MFCHNaO3
- MW84.01
- EINECS205-633-8
- MDL NumberMFCD00003528
- MOL File144-55-8.mol
Chemical Properties
| Melting point | >300 °C(lit.) |
| Boiling point | 851°C |
| Density | 2.16 g/mL at 25 °C (lit.) |
| refractive index | 1.500 |
| storage temp. | 2-8°C |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | solution (7.5%) |
| color | White |
| Specific Gravity | 2.159 |
| PH Range | 7.8 - 8.2 |
| PH | 8.27(1 mM solution);8.22(10 mM solution);8.02(100 mM solution); |
| pka | (1) 6.37, (2) 10.25 (carbonic (at 25℃) |
| Odor | Odorless |
| Water Solubility | 9 g/100 mL (20 ºC) |
| Decomposition | 50 °C |
| Merck | 14,8583 |
| BRN | 4153970 |
| BCS Class | 1 |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H319-H303 | |||||||||
| Precautionary statements | P264-P280i-P305+P351+P338-P337+P313 | |||||||||
| Safety Statements | 24/25 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | VZ0950000 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 28363000 | |||||||||
| Hazardous Substances Data | 144-55-8(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: 4220 mg/kg | |||||||||
| NFPA 704: |
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