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7558-79-4 - Sodium hydrogen phosphate, 98+% - Disodium phosphate - Sodium phosphate, dibasic - A11817 - Alfa Aesar

A11817 Sodium hydrogen phosphate, 98+%

Número CAS
Nombre Alternativo
Disodium phosphate
Sodium phosphate, dibasic

Tamaño Precio ($) Cantidad Disponibilidad
250g 27,30
1kg 64,10
5kg 219,00
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Sodium hydrogen phosphate, 98+%


Propiedades químicas

Peso molecular
Soluble in water. Insoluble in ethanol, methanol and n-octanol.


Sodium hydrogen phosphate is used in food and water treatment in conjunction with trisodium phosphate. It is used as an emulsifier and buffer in foods and pharmaceuticals, anti-caking additive in powdered products, dietary supplement, scale inhibitor, reagent and buffer in analytical chemistry. It finds application in detergents, cleaning agents, textile, leather auxiliary, fertilizers and galvanoplastics. Further, it is used as a saline laxative to treat constipation. It inhibits the calcium scale formation in water treatment plants.


Hygroscopic. Incompatible with strong acids, strong oxidizing agents and strong bases.

Referencias documentales

Wang, M. C.; Chen, H. T.; Shih, W. J.; Chang, H. F.; Hon, M. H.; Hung, I. M. Crystalline size, microstructure and biocompatibility of hydroxyapatite nanopowders by hydrolysis of calcium hydrogen phosphate dehydrate (DCPD). Ceram. Int. 2015, 41 (2), 2999-3008.

Orlando, R. M.; Rohwedder, J. J.; Rath, S. Electric Field-Assisted Solid Phase Extraction: Study of Electrochromatographic Parameters with an Anionic Model Compound. J. Braz. Chem. Soc. 2015, 26 (2), 310-318.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P260u-P201-P280a-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves and eye/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Código de tarifa arancelaria unificado


  • A10395

    Citric acid, 99+%
  • A11321

    Potassium hydrogen phosphate, dried, 98+%
  • A16231

    Iron(III) chloride hexahydrate, 97%
  • 11591

    Sodium dihydrogen phosphate monohydrate, ACS, 98.0-102.0%
  • 12314

    Sodium chloride, ACS, 99.0% min

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