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Organic Acids

Ethylenediamine Tetraacetic Acid Disodium Salt Extra Pure

RA001400 CAS 6381-92-6 Extra Pure

Identity

Product code
RA001400
CAS number
6381-92-6
Grade
Extra Pure
Purity
99%
Molecular formula
C10H14N2Na2O8.2H2O
Molecular weight
372.24

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
Odour Odorless —
pH value 4 - 5 —
Melting point/ Freezing point [°C] 248 °C °C
Flash point [°C] Min 100 °C °C
Solubility in water [% weight] 100 g/L g/L

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

Specifications

ParameterSpecificationUnit Method
Appearance White crystalline powder — —
Iron (Fe) Max 0.0005 % % —
Nitrilotriacetic acid Max 0.1 % % —
Loss on drying (at 150°C; 6 hrs) (150 °C) 8.7 - 11.4 % % —
Assay 99 - 101 % % complexometric
pH 4 - 5 — —
Insoluble matter in water Max 0.01 % % —
Chloride (Cl) Max 0.02 % % —
Sulphate (SO4) Max 0.1 % % —
Cyanide (CN) Max 0.001 % % —
Heavy metal Max 0.001 % % —
Arsenic (As) Max 0.0001 % % —

2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
100 g RA001400-PK-100G
25 kg RA001400-PK-25KG
500 g RA001400-PK-500G
5 kg RA001400-PK-5KG