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Organic Acids

Ethylenediamine Tetraacetic Acid Dipotassium Salt Extra Pure

RA003019 CAS 25102-12-9 Extra Pure

Identity

Product code
RA003019
CAS number
25102-12-9
Grade
Extra Pure
Purity
98%
Molecular formula
C10H14K2N2O82H2O
Molecular weight
404.46

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White powder —
Odour Odorless —
pH value 4 - 5 —
Melting point/ Freezing point [°C] 255 - 280 °C °C
Solubility in water [% weight] 40.4 g/L g/L

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance White powder or crystalline Powder — —
Iron (Fe) Max 0.001 % % —
Assay Min 98 % % complexometric
Loss on drying (at 150°C; 6 hrs) (150 °C) 8.5 - 9.5 % % —
pH (5 % solution) 4 - 5.5 — —
Insoluble matter in water Max 0.02 % % —
Chloride (Cl) Max 0.05 % % —
Nitrilotriacetate [N(CH2COO)3] Max 0.1 % % —
Copper (Cu) Max 0.001 % % —
Heavy metal Max 0.001 % % —

Packaging

Pack size SKU
100 g RA003019-PK-100G
500 g RA003019-PK-500G