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Product Description
Sodium Phosphate CAS#7558-79-4
Disodium phosphate has a high degree of hygroscopicity and water solubility. It can be used in combination with sodium monosodium phosphate when preparing biological buffers. It is usually used as a buffer for biological assays. Sodium is essential for the functions of nerves and muscles.
Sodium Phosphate, Dibasic Chemical Properties |
Melting point | 243-245 °C |
density | 1.064 g/mL at 20 °C |
bulk density | 880kg/m3 |
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 |
biological source | synthetic |
Water Solubility | >=10 g/100 mL at 20 ºC |
Sensitive | Hygroscopic |
λmax | λ: 260 nm Amax: 0.019λ: 280 nm Amax: 0.016 |
Merck | 14,8659 |
Stability: | Stable. Incompatible with strong acids. Hygroscopic. |
InChIKey | BNIILDVGGAEEIG-UHFFFAOYSA-L |
LogP | -2.15 |
CAS DataBase Reference | 7558-79-4(CAS DataBase Reference) |
EPA Substance Registry System | Disodium phosphate (7558-79-4) |
Absorption | ≤0.01 at 260nm≤0.01 at 280nm |
Product Usage
Sodium Phosphate, Dibasic is used as a laboratory reagent and a buffer in chemical analysis. Other uses are in manufacturing ceramics, detergents, and enamels; as a mordant in dyeing; for fireproofing paper and wood; for weighting and printing silk; in the treatment of boiler water; as a sequestrant in food; as a dietary supplement; in soldering enamels; and in fertilizers. It is used therapeutically as a cathartic.
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Packaging And Shipping
We provide fully compliant, safe and customizable packaging solutions for Sodium Hydroxide, Calcium Chloride, Sodium Carbonate, Potassium Hydroxide and all our industrial chemical products. All packaging strictly follows UN, IMDG and IATA international transport standards, with anti-leakage, moisture-proof and corrosion-resistant design. We also offer professional loading, container reinforcement and full-process traceable global shipping services, ensuring your goods arrive safely and on time at any destination worldwide.
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