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Organic Acids

Alginic Acid

RA000459 CAS 9005-32-7 Extra Pure

Identity

Product code
RA000459
CAS number
9005-32-7
Grade
Extra Pure
Molecular formula
(C6H8O6)n
Molecular weight
48000-186000

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White powder —
Melting point/ Freezing point [°C] 300 °C °C

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

Specifications

ParameterSpecificationUnit
Appearance White to Light Yellow powder —
Assay (as carboxylic acid groups (COOH); on anhydrous basis) 19.0 - 25.0 % %
Identification Passes test —
pH 1.5 - 3.5 —
Arsenic (As) Max 0.0005 % %
Heavy metal Max 0.004 % %
Acid value (mg KOH/gm) Min 230.0 —
Total ash Max 4.0 % %
Loss on drying (at 105°C; 4 hrs) (105 °C) Max 15.0 % %

Packaging

Pack size SKU
25 kg RA000459-PK-25KG
500 g RA000459-PK-500G
50 kg RA000459-PK-50KG
5 kg RA000459-PK-5KG