DTPA diethylenetriaminepentaacetic acid
DTPA is a pentavalent salt with similar physicochemical properties to EDTA. The free acid is an odorless white crystalline powder that is practically insoluble in water but soluble in alkaline salts. Since it has 8 ligands, the coordination positions can be completely filled with metal ions with a coordination number of 8. Industrially, it can be used for exactly the same purpose as EDTA. Due to the high chelation stability constants of rare earth metals and heavy metals, it will not be disturbed even if phosphate ions coexist. EDTA and NTA are not suitable as stabilizers for hydrogen peroxide, but DTPA shows excellent results.
Chelating agent/Taipei chelating agent/Taoyuan chelating agent/Hsinchu chelating agent
Product Name Work Molecular Weight Content (%) External pH CV
(mg Ca CO 3 / g) Package (kg) CAS No.
Celeste 3PA DTPA·5H 393 99.5 and above White crystalline powder 2.5 254 25 / paper bag 67-43-6
Celeste PA DTPA·5H 393 98 or more White crystalline powder 2.5
Chester PC-45 DTPA·2H·3Na 459 45-47 light yellow transparent liquid 7.5 7.5 98 25 /
Bag in Box 13078-36-9
Celeste DTPA·5Na 503 40-42 Pale yellow transparent liquid 12.0 80 25 /
Bag in Box 140-01-2
In the pH column, the values indicated by letters or ~ are standard values, and others are representative values.
Chelation value: the CV (mgCaCO3/g) column is the reference value, and the column above CV (mgCaCO3/g) is the standard value.
In addition to the listed packaging, we can also accept a variety of drums, FIBCs, 1m3 containers and tanker truck sizes upon request.
JOKI INTERNATIONAL CO., LTD.
Max Tseng
886-2-22652293
886-930941231
WhatsApp+886 930941231
max2293max2293@gmail.com
9F-13, No.110, Sec. 1, Hankou St., Zhongzheng Dist., Taipei City, Taiwan
