Sodium Citrate Dihydrate CAS 6132-04-3 Purity >99.5% (Titration) Ultrapure For Molecular Biology Factory

Short Description:

Chemical Name: Sodium Citrate Dihydrate 

CAS: 6132-04-3

Purity: >99.5% (Titration by HClO4) 

Appearance: White Powder or Crystals

Ultra Pure Grade, For Molecular Biology

E-Mail: alvin@ruifuchem.com


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Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Sodium Citrate Dihydrate (CAS: 6132-04-3) with high quality, commercial production. We can provide Certificate of Analysis (COA), Safety Data Sheet (SDS), worldwide delivery, small and bulk quantities available, strong after-sale service. Welcome to order. Please contact: alvin@ruifuchem.com

Chemical Properties:

Chemical Name Sodium Citrate Dihydrate
Synonyms Sodium Citrate Tribasic Dihydrate; Trisodium Citrate Dihydrate; tri-Sodium Citrate Dihydrate; Sodium Citrate Trisodium Salt Dihydrate; Citric Acid Trisodium Salt Dihydrate; Citric Acid-Na3-Salt-2H2O
CAS Number 6132-04-3
CAT Number RF-PI1694
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C6H5Na3O7.2H2O 
Molecular Weight 294.10
Melting Point  >300℃ (lit.)
Density 1.76 g/cm3
Sensitivity Moisture Sensitive
Solubility Soluble in Water; Insoluble in Ethanol
Brand Ruifu Chemical

Specifications:

Item Specifications
Appearance White Powder or Crystals
Purity / Analysis Method >99.5% (Titration by HClO4, calculated on dried substance)
Water(by Karl Fischer) 10.0~13.0%
Solubility (Turbidity) Clear (10% aq. solution) 
Solubility (Color)  Colorless (10% aq. solution) 
Sodium (Na) 22.0~24.0%
Insoluble Matter in H2O <0.005%
pH 7.5~9.0 (5% aq. solution at 25℃)
Ammonia (NH3) <10ppm
Chloride (CI) <0.002%
Sulphate (SO4) <0.005%
Oxalate Salt <0.03%
Iron (Fe) <0.0005%
Heavy Metals (as Pb) <0.0005%
Phosphate (PO4) <0.001%
Nitrogen Compounds <0.001%
Arsenic (as As) <0.0001%
Barium (Ba) <0.003%
Mercury (Hg) <0.0001%
Lead (Pb)  <0.0001%
Cadmium (Cd)  <0.0001%
Tartrate (as C₄H₄O₆) Passes Test
Residual Solvents Excluded by Manufacturing Process (ICH Q3C)
Readily Carbonisable Substances Passes Test
Acidity or Alkalinity Passes Test
Pyrogens Passes Test
Bacteria Endotoxins Passes Test
DNAse, Exonuclease Detection  None Detected
Nickase  None Detected
RNase None Detected
Protease None Detected
X-Ray Diffraction Conforms to Structure
Infrared Spectrum Conforms to Structure
Proton NMR Spectrum Conforms to Structure
Test Standard Enterprise Standard; USP/BP/EP Standard
Usage Biological Buffering Agent; Food Additives, etc.

Package & Storage:

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement

Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture

Advantages:

1

FAQ:

Application:

Sodium Citrate Dihydrate (CAS: 6132-04-3), a conjugate base of a weak acid, can perform as a biological buffering agent because it resists changes in pH. Citric acid is one of a series of compounds responsible for the physiological oxidation of fats, carbohydrates and proteins to carbon dioxide and water. Sodium Citrate Dihydrate is often used to prepare sodium citrate buffer for antigen retrieval of tissue samples. The citrate solution is designed to break protein cross-links; thus, unmasking antigens and epitopes in formalin-fixed and paraffin embedded tissue sections, resulting in enhancing staining intensity of antibodies. Citrate has anticoagulant activity and as a calcium chelator, it forms complexes that disrupt the tendency of blood to clot. An anticoagulant also used as a biological buffer. Sodium Citrate Dihydrate is used as flavors, stabilizing agent, buffering agent, chelating agent, nutritional supplement of buttermilk, emulsifying agent and flavoring agent in food and beverage industry; Sodium Citrate Dihydrate has pH adjusting capability as well as having a good stability, and therefore can be used in the food industry. It has the greatest demand when being used as a food additive; As food additives, it is mainly used as flavoring agents, buffers, emulsifiers, bulking agents, stabilizers and preservatives. It can be used as anti-blood clotting,apophlegmatisant and diuretics in phamaceutical industry; it can replace sodium tripolyphosphate as a non-toxic detergent additives in detergent industry; it can also be used in brewing, injection, photography drugs and electroplating etc..  

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