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

A11817 Sodium hydrogen phosphate, 98+%

CAS Number
7558-79-4
Synonyms
Disodium phosphate
Sodium phosphate, dibasic

Size Price ($) Quantity Availability
250g 27.19
1kg 63.76
5kg 218.36
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Sodium hydrogen phosphate, 98+%

MDL
MFCD00003496
EINECS
231-448-7

Chemical Properties

Formula
HNa2O4P
Formula Weight
141.98
Sensitivity
Hygroscopic
Solubility
Soluble in water. Insoluble in ethanol, methanol and n-octanol.

Applications

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.

Notes

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

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: 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.

Other References

Merck
14,8659
Harmonized Tariff Code
2835.22
TSCA
Yes
RTECS
WC4500000

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