Disodium citrate Chemical Properties

Melting point:

240°C

Density 

1.858[at 20℃]

vapor pressure 

0Pa at 20℃

solubility 

Freely soluble in water; practically insoluble in ethanol (96%).

form 

Solid

color 

White crystalline

Odor

Odorless

PH Range

4.5 - 5.5 at 263.1 g/l at 25 °C

PH

5.48(1 mM solution);5.28(10 mM solution);4.88(100 mM solution);3.72(1000 mM solution)

Water Solubility 

263.1 g/l at 20 °C

Merck 

2326

LogP

-1.624 at 20℃

CAS DataBase Reference

144-33-2(CAS DataBase Reference)

EPA Substance Registry System

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, disodium salt (144-33-2)

Safety Information

RTECS 

GE7580000

Hazardous Substances Data

144-33-2(Hazardous Substances Data)

Toxicity

LD50 in mice, rats (mmol/kg): 7.5, 7.3 i.p. (Gruber, Halbeisen)

MSDS

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Disodium citrate Usage And Synthesis

Description

Disodium citrate, or disodium hydrogen citrate, is a sodium acid salt of citric acid (sodium citrate) with the chemical formula Na₂HC₆H₅O₇, or Na₂H(C₃H₅O(COO)₃). It is used as an antioxidant in food as well as to improve the effects of other antioxidants. It is also used as an acidity regulator and sequestrant.
Typical products include gelatin, jam, sweets, ice cream, carbonated beverages, milk powder, wine, and processed cheeses.

Chemical Properties

A white powder.

Uses

Anticoagulant.

Flammability and Explosibility

Not classified

Clinical Use

Disodium citrate may be used in patients to alleviate discomfort from urinary tract infections.

Safety Profile

Poison by intravenous route. Moderately toxic by intraperitoneal and subcutaneous routes. When heated to decomposition it emits toxic fumes of Na2O.

Disodium citrate(144-33-2)Related Product Information

• Trisodium citrate dihydrate
• DIETHYL CITRATE
• Disodium succinate
• Disodium stannous citrate
• Citric acid
• Sodium citrate
• Sildenafil citrate
• Potassium Citrate
• Calcium citrate
• Ethylenediaminetetraacetic acid disodium salt
• Calcium citrate
• Disodium edetate dihydrate
• CHLOROPHOSPHONAZO III
• DISODIUM CITRATE SESQUIHYDRATE
• Sodium Monofluorophosphate
• Tartrazine
• Citric acid monohydrate
• AMMONIUM BISMUTH CITRATE