EDTA Acid Dipotassium Salt Dihydrate is a very important anticoagulant in vacuum blood tubes. EDTA has a great affinity for calcium ions in blood, and can complex with calcium ions, so that prothrombin can not be converted into thrombin, so that blood anticoagulation.

Introduction: EDTA Acid Dipotassium Salt Dihydrate cas 25102 12 9, is a kind of amino polycarboxylic acid and calcium chelating agent. As an anti-coagulation tube additive, it can effectively prevent blood samples from coagulating. This edta dipotassium salt is suitable for general hematology test. It can also complex some ions in plasma to make some protein or nucleic acid substances more stable.

EDTA Dipotassium Salt Dihydrate Detailed Intro

As an additive of vacuum blood tube, EDTA dipotassium salt can protect the cell composition of blood, not affect the count and size of white blood cell, has the least effect on the morphology of red blood cell, and can inhibit the aggregation of platelet, and is suitable for general hematology test. In addition, EDTA dipotassium salt can be used as a chelating agent in toilet deodorants and cosmetics, as a complexing agent in liquid phase analysis, and as a metal polishing agent.

EDTA dipotassium product advantages:

As an anticoagulant for blood tubes, EDTA dipotassium salt can dissolve good anticoagulant effect.

Ethylenediaminetetraacetic acid dipotassium salt dihydrate has no effect on white blood cell count and size, and little effect on erythrocyte morphology.

Ethylenediaminetetraacetic acid dipotassium salt dihydrate can inhibit platelet aggregation and is suitable for general hematological examination.

Ethylenediaminetetraacetic acid dipotassium salt dihydrate is considered as an ideal anticoagulant for whole blood count and classification.

New Desheng EDTA Dipotassium Salt Dihydrate(CAS Advantages

The professional EDTA dipotassium R & D technical team can solve all problems in time;

Desheng is a direct manufacturer of EDTA dipotassium salt dihydrate, with sufficient monthly output of 10t, which can meet the needs of general customers;

Decheng has many years of experience in R & D and the production of EDTA dipotassium salt dihydrate. The purity can reach above 99.5% with good quality and special indicators can be customized for production;

Have a professional foreign trade team with rich export experience in blood culture bottles additives. New Desheng has provided professional service to more than 100 customers.

EDTA Dipotassium Salt Dihydrate(CAS Applications

EDTA dipotassium salt is usually added into the vacuum blood collection tube for blood routine examination (Note: EDTA dipotassiumis not applicable to the coagulation test and platelet kinetic energy test, nor to the determination of calcium ion, potassium ion, sodium ion, iron ion, alkaline phosphatase, creatine kinase and leucine aminopeptidase and PCR test). In addition, EDTA dipotassium salt is generally used as the blood anticoagulant in the nucleic acid detection tube. EDTA dipotassium salt can also be used for complexing metal ions and separating metals, as well as for detergents, liquid soaps, shampoos, agricultural chemical sprays, antidotes, etc.

Technical Requirements for EDTA Dipotassium Salt Dihydrate(CAS 25102 12 9)




Content (%)≥



PH (50g/L,25°C)


Clarity test



Solubility (%)≥



Chloride (cl)≤


Sulfate (SO4)≤


Iron (Fe)≤


Heavy metal (calculated as Pb)≤

Note:”%” in the table refers to mass fraction.

Cautions of EDTA Dipotassium Salt Dihydrate(CAS

In the whole blood sample collection test, the key step of preparation is that the blood should be fully contacted with EDTA dipotassium salt to achieve full anticoagulation. Therefore, it is necessary to gently reverse 5~8 times as soon as possible after blood collection to prevent the formation of tiny blood clots.

Although EDTA dipotassium salt is an anticoagulant, this kind of anticoagulation is non-reversible and the blood will still coagulate within a certain period of time, and the blood should be tested within 24 hours after anticoagulation with dipotassium salt, otherwise, the test results may be incorrect.

The preservation time of EDTA dipotassium anticoagulant samples was 48 hours at 4°C and less than 24 hours at 23°C, and 24 hours at 4°C.

Anticoagulation requires a sufficient amount of EDTA, but excessive EDTA may cause morphological changes in blood cells, and accurate control of EDTA dipotassium salt dihydrate is particularly important.

EDTA dipotassium salt dihydrate inhibits platelet aggregation, but does not completely prevent platelet aggregation.

EDTA dipotassium salt dihydrate can be used in combination with various blood sampling additives, such as sodium fluoride, serum separation gel, etc., and the effect will be different with the use of different additives. For example, when EDTA dipotassium salt add sodium fluoride is used in the blood glucose test, adding 1.2-2.0mg dipotassium to each ml of blood, and 2-4mg sodium fluoride, while EDTA dipotassium+serum separation gel can be used in the nucleic acid test tube.

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