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3458-72-8 - Ammonium citrate tribasic, 97+% - Citric acid triammonium salt - Triammonium citrate - A16973 - Alfa Aesar

A16973 Ammonium citrate tribasic, 97+%

CAS Number
Citric acid triammonium salt
Triammonium citrate

Size Price ($) Quantity Availability
100g 35.93
500g 113.91
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Ammonium citrate tribasic, 97+%


Chemical Properties

Formula Weight
Melting point
ca 180° dec.
Soluble in water. Slightly soluble in alcohol.


Ammonium citrate tribasic is widely utilized as a buffering agent and emulsifier in food industry. It acts as a complexing agent in electroplating industry and is also used for metal surface cleaning. It is employed in chemical analysis and in water treatment. It serves as a chemical reagent in analytical chemistry to determine the efficient phosphate levels in phosphate salts and fertilizer. It is used in industries for water treatment, as a ceramic dispersant, a detergent material and a component for soil improvement. It is used in medical and electronics industries as an auxiliary infiltration agent.


Incompatible with strong oxidizing agents.

Literature References

Gajadeera, C. S.; Zhang, X.; Wei, Y.; Tsodikov, O. V.; Structure of inorganic pyrophosphatase from Staphylococcus aureus reveals conformational flexibility of the active site. J. Struct. Biol. 2015, 189 (2), 81-86.

Xue, L.; Liao, Y.; Yang, L.; Li, X.; Li, W. Improved rate performance of LiNi0.5Mn1.5O4 cathode for lithium ion battery by carbon coating. Ionics 2015, 21 (5), 1269-1275.

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

Harmonized Tariff Code


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