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10049-21-5 - Sodium dihydrogen phosphate monohydrate, ACS, 98.0-102.0% - Monosodium orthophosphate - Sodium phosphate, monobasic - 11591 - Alfa Aesar

11591 Sodium dihydrogen phosphate monohydrate, ACS, 98.0-102.0%

Número CAS
Nombre Alternativo
Monosodium orthophosphate
Sodium phosphate, monobasic

Tamaño Precio ($) Cantidad Disponibilidad
250g 35,90
1kg 94,70
5kg 307,00
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Sodium dihydrogen phosphate monohydrate, ACS, 98.0-102.0%


Propiedades químicas

Peso molecular
137.99 (119.98anhy)
Punto de fusión
100° -H{2}O
Highly soluble in water. Insoluble in ethanol, ether and chloroform.

Especificaciones de grado

Maximum level of impurities: Insoluble matter 0.01%, pH of a 5% solution 4.1-4.5 at 25°, Cl 5ppm, SO<sub>4</sub> 0.003%, Ca 0.005%, K 0.01%, As 0.5ppm, Heavy Metals (ICP-OES) 0.001%, Fe 0.001%


Sodium phosphate monobasic monohydrate is used as sequestrant, emulsifier, mordant in dyeing, reagent and buffer in foods and analytical chemistry. It is applied as a fireproofing agent and for weighting silk in tanning. It is employed in manufacturing of enamels, ceramics, detergents, boiler compounds, in soldering and brazing instead of borax.


It may be mildly corrosive to steel and aluminum. Highly hygroscopic nature.

Referencias documentales

Weaver, C. L.; Li, H.; Luo, X.; Cui, X. T. A graphene oxide/conducting polymer nanocomposite for electrochemical dopamine detection: origin of improved sensitivity and specificity. J. Mater. Chem. B 2014, 2, 5209-5219.

Gull, M.; Zhou, M.; Fernández, F. M.; Pasek, M. A. Prebiotic Phosphate Ester Syntheses in a Deep Eutectic Solvent. J. Mol. Evol. 2014, 78 (2), 109-117.

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: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Código de tarifa arancelaria unificado


  • A17546

    Sodium pyrophosphate, 98%
  • 11592

    Sodium hydrogen phosphate heptahydrate, ACS, 98.0-102.0%
  • 11594

    Potassium dihydrogen phosphate, ACS, 99.0% min
  • 12314

    Sodium chloride, ACS, 99.0% min
  • 13437

    Sodium hydrogen phosphate, anhydrous, ACS, 99.0% min

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