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1,3-Propylenediaminetertaacetic acid/PDTA CAS 1939-36-2

Chemical Name: PDTA/1,3-Propylenediaminetertaacetic acid

CAS No.: 1939-36-2

Molecular Formula: C11H18N2O8

Molecular Weight: 306.27

Appearance: White crystals

related documents:

  • COA of PDTA


1,3-Propylenediaminetertaacetic acid Details

Chemical Name: 1,3-Propylenediaminetertaacetic acid(PDTA)

CAS No.: 1939-36-2

Molecular Formula: C11H18N2O8

Molecular Weight: 306.27

Molecular Structure:

1,3-Propylenediaminetertaacetic acidPDTA CAS 1939-36-2

Appearance: White crystals

Typical Properties

Melting point ~250 °C (dec.)
Boiling point 620.5±55.0 °C(Predicted)
Density .507±0.06 g/cm3(Predicted)
Storage Sealed in dry, Room Temperature
Appearance crystals
Colour White
Vapor Pressure Acidity coefficient (pKa)1.45±0.10(Predicted)


Item Standard Results
Content(%) 98.00min 98.5
Moisture(%) ≤1 0.12
Iron ion(ppm) ≤10 3
Aluminum ion(ppm) ≤20 5
Chromium ions(ppm) ≤5 0.5
Nickel ion(ppm) ≤5 not detected
Zinc ion(ppm) ≤5 0.8
Appearance White to off-white powder White to off-white powder


1,3-Propylenediaminetertaacetic acid Usage

It is used in biological research and can also be used as an intermediate in organic synthesis.

Packaging and Shipping

Packing: 25KG/Drum

1,3-Propylenediaminetertaacetic acid Storage

Keep the container tightly closed in a dry and well-ventilated place. Store in a cool place.

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