Dibasic Sodium Phosphate
- Product NameDibasic Sodium Phosphate
- CAS7558-79-4
- CBNumberCB00123434
- MFNa2HPO4
- MW141.96
- EINECS231-448-7
- MDL NumberMFCD00003496
- MOL File7558-79-4.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 243-245 °C |
| Density | 1.064 g/mL at 20 °C |
| vapor density | 4.9 (vs air) |
| vapor pressure | 0Pa at 20℃ |
| FEMA | 2398 | DISODIUM PHOSPHATE |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 0.5 M at 20 °C, clear, colorless |
| form | powder |
| color | White |
| PH | 8.9-9.2 (25℃, 50g/L in water) |
| pka | (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃) |
| Odor | odorless |
| Water Solubility | >=10 g/100 mL at 20 ºC |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.019 λ: 280 nm Amax: 0.016 |
| Merck | 14,8659 |
| Stability | Stable. Incompatible with strong acids. Hygroscopic. |
| InChIKey | BNIILDVGGAEEIG-UHFFFAOYSA-L |
Safety
| Symbol(GHS) |
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| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-24/25 | |||||||||
| RIDADR | UN 3077 9 / PGIII | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | WC4500000 | |||||||||
| F | 3 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 28352200 | |||||||||
| Hazardous Substances Data | 7558-79-4(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg | |||||||||
| NFPA 704: |
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