Tripotassium citrate

Basic Information

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CAS Number

866-84-2

Molecular Formula

C6H5K3O7

Molecular Weight

306.39 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Physical Properties

Density

1.187

Solubility

H2O: 1 M at 20 °C, clear, colorless

SMILES

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C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[K+].[K+].[K+]

InChI

InChI=1S/C6H8O7.3K/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;3*+1/p-3

InChIKey

QEEAPRPFLLJWCF-UHFFFAOYSA-K

LogP

-5.25260

Complexity

211

Synonyms & References

English

tripotassium citrate
tri-Potassium citrate
Potassium acid citrate
1,2,3-Propanetricarboxylicacid,2-hydroxy-,tripotassiumsalt
2,3-propanetricarboxylicacid,2-hydroxy-tripotassiumsalt
kajos
kaliksir
porekal
potassiumcitrateanhydrous
seltz-k
POTASSIUM CITRATE
Tripotassium Phosphate Monohydrate
Potassium citrate tribasic solution
tripotassium citrate anhydrous
HYDROXY CITRIC ACID SYNTHETIC
sdTripotassium Citrate
SODIUM POTASSIUM
Tripotassium citrate andydrous
2-Hydroxy-1,2,3-propanetricarboxylic acid tripotassium salt
枸橼酸钾
柠檬酸钾
POTASSIUM CITRATE

MDL Number

MFCD00036362

Customs Code

2918150000

FAQ

What is Tripotassium citrate (CAS: 866-84-2)?

Tripotassium citrate is a salt of citric acid with three potassium ions. Its chemical formula is C6H5K3O7. It is a white crystalline powder that is highly soluble in water. It is commonly used as a buffering agent and for its chelating properties, which help in the removal of metal ions from solutions.

What are the main uses of Tripotassium citrate (CAS: 866-84-2)?

Tripotassium citrate is widely used in pharmaceuticals as a stabilizer and pH controller. It also serves as a food additive to enhance flavor and preserve freshness. In industrial applications, it is used in water treatment and as a chelating agent. Additionally, it finds use in research for buffer solutions and metal ion sequestration.

Is Tripotassium citrate (CAS: 866-84-2) safe?

Tripotassium citrate is generally considered safe when used as directed. It has low toxicity and is well-tolerated by the human body. However, as with any chemical, it should be handled with care, and appropriate protective measures such as gloves and eye protection are recommended to avoid direct contact or ingestion.

How should Tripotassium citrate (CAS: 866-84-2) be stored?

Tripotassium citrate should be stored in a cool, dry place away from moisture and direct sunlight. It is best kept in a tightly sealed container to prevent degradation. Maintaining a temperature below 25°C and humidity levels below 60% ensures optimal stability and shelf life.