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

A11817 Sodium hydrogen phosphate, 98+%

Codice CAS
7558-79-4
Sinonimi
Disodium phosphate
Sodium phosphate, dibasic

Dimensioni Prezzo ($) Quantità Disponibilità
250g 27,30
1kg 64,10
5kg 219,00
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Sodium hydrogen phosphate, 98+%

MDL
MFCD00003496
EINECS
231-448-7

Proprietà chimiche

Formula
HNa2O4P
Peso formula
141.98
Sensibilità
Hygroscopic
Solubilità
Soluble in water. Insoluble in ethanol, methanol and n-octanol.

Applicazioni

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.

Note

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

Letteratura

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.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

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

Dichiarazioni precauzionali: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,8659
Codice tariffe armonizzato
2835.22
TSCA
Yes
RTECS
WC4500000

Raccomandato

  • 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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