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Sodium citrate(CAS#68-04-2)

Chemical Property:

Molecular Formula C6H5Na3O7
Molar Mass 258.07
Density 1.008 g/mL at 20 °C
Melting Point 300°C
Boling Point 309.6°C at 760 mmHg
FEMA 3026 | SODIUM CITRATE
Flash Point 155.2°C
Water Solubility Soluble in water.
Solubility Soluble in water, insoluble in ethanol
Vapor Presure 5.73E-05mmHg at 25°C
Appearance White crystalline particles or powder
Color White to off-white
Maximum wavelength(λmax) λ: 260 nm Amax: ≤0.1
PH 8.59(1 mM solution);8.9(10 mM solution);9.04(100 mM solution);9.26(1000 mM solution)
Storage Condition 2-8℃
Sensitive Hygroscopic
MDL MFCD00012462

Product Detail

Product Tags

Risk Codes R22 - Harmful if swallowed
R40 - Limited evidence of a carcinogenic effect
R48/20/22 -
R41 - Risk of serious damage to eyes
R37/38 - Irritating to respiratory system and skin.
R36 - Irritating to the eyes
R35 - Causes severe burns
Safety Description S36 - Wear suitable protective clothing.
S24/25 - Avoid contact with skin and eyes.
S39 - Wear eye / face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany 2
RTECS GE8300000
FLUKA BRAND F CODES 34
TSCA Yes
HS Code 29181500
Toxicity LD50 in rats, mice (mmol/kg): 6.0, 5.5 i.p. (Gruber, Halbeisen)

 

Introduction

Correct the acidity of urine. Polyvalent complexing agent, a polyvalent chelating agent that removes trace metals. Buffer, bacterial medium.

Application
Sodium citrate (CAS 68-04-2), the trisodium salt of citric acid, is a versatile organic compound widely used as a buffering agent, emulsifier, and anticoagulant. In the pharmaceutical industry, it is employed as an anticoagulant in blood collection tubes and apheresis procedures, as a urine alkalinizer to prevent kidney stones, and as a tablet effervescent agent. In food applications, it acts as a pH regulator, preservative, and melting salt for processed cheese (e.g., sodium citrate E331). It is also used in beverages to control acidity and enhance flavor. In cosmetics and personal care, sodium citrate functions as a chelating agent and pH adjuster in creams, lotions, and shampoos. Additionally, it serves as a water softener in detergents, a corrosion inhibitor in electroplating, and a plaster retarder in construction. Its high purity grade ensures consistent performance in all applications. Xinchem offers custom synthesis, custom chemical synthesis, and contract manufacturing of high-purity sodium citrate with flexible scaling from R&D to commercial tons. Contact us today for a competitive quote and reliable global supply.


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