Trisodium citrate

Basic Information

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CAS Number

68-04-2

Molecular Formula

C6H5Na3O7

Molecular Weight

215.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Physical Properties

Melting Point

300°C

Boiling Point

309.6°C at 760 mmHg

Density

1.008 g/mL at 20 °C

Water Solubility

Soluble in water.

Flash Point

155.2°C

SMILES

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[Na+].[Na+].[Na+].OC(CC(=O)[O-])(CC(=O)[O-])C(=O)[O-]

InChI

InChI=1S/C6H8O7.3Na/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

HRXKRNGNAMMEHJ-UHFFFAOYSA-K

LogP

-5.25260

Complexity

211

Safety Information

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Sensitiveness

Hygroscopic

Toxicity

LD50 in rats, mice (mmol/kg): 6.0, 5.5 i.p. (Gruber, Halbeisen)

Synonyms & References

English

Sodium 2-hydroxypropane-1,2,3-tricarboxylate
anhydrous Sodium Citrate
trisodium 2-hydroxypropane-1,2,3-tricarboxylate anhydrous
Sodium citrate
trisodium citrate anhydrous
Trisodium citrate dihydrate
Citric acid trisodium salt
anhydrous trisodium citrate
citnatin
citreme
Citric acid
Citric acid 3Na
citrosodina
citrosodine
citrosodna
FEMA 3026
Na3-citrate
natrocitral
Sodium citrate, anhydrous
Trisodium citrate
2-Hydroxy-1,2,3-propanetricarboxylic acid trisodium salt
Sodium citrate anhydrous
Trisodium citrate, anhydrous
Citric acid, trisodium salt
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt
FEMA No. 3026
Sodium citrate (Na3C6H5O7)
RS7A450LGA

MDL Number

MFCD00012462

FAQ

What is Trisodium citrate (CAS: 68-04-2)?

Trisodium citrate is a sodium salt of citric acid, commonly used as a buffering agent and chelating agent. Its chemical formula is C6H5Na3O7. It is a white crystalline powder that is soluble in water and has a slightly acidic pH. Trisodium citrate is known for its ability to stabilize pH levels and bind metal ions, making it valuable in various industrial and pharmaceutical applications.

What are the main uses of Trisodium citrate (CAS: 68-04-2)?

Trisodium citrate is widely used in pharmaceuticals as a preservative and stabilizer, in food industry as a flavor enhancer and pH regulator, and in cosmetics for its emulsifying properties. It also serves as a chelating agent in industrial processes to prevent metal ion interference. Additionally, it is used in research for buffer solutions and in medical settings for anticoagulant purposes.

Is Trisodium citrate (CAS: 68-04-2) safe?

Trisodium citrate is generally considered safe when used in accordance with recommended guidelines. It has low toxicity and is approved for use in food and pharmaceuticals. However, precautions should be taken during handling, especially in high concentrations, to avoid skin or eye irritation. Protective gloves and goggles are recommended for safe usage.

How should Trisodium citrate (CAS: 68-04-2) be stored?

Trisodium citrate should be stored in a cool, dry place away from direct sunlight. It is stable under normal storage conditions but should be kept in a sealed container to prevent moisture absorption. Proper storage helps maintain its chemical integrity and effectiveness, ensuring it remains suitable for its intended applications.