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Sodium Phosphate CAS#7558-79-4

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Chemical Name：Sodium Phosphate

CAS No.:7558-79-4

Molecular Formula：Na2HPO4

Sample: Available

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Product Details

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 CAS#7558-79-4

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: 0.019 λ: 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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