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Organic Chemicals

Tartrazine

RA002544 CAS 1934-21-0

Identity

Product code
RA002544
CAS number
1934-21-0
Molecular formula
C16H9N4O9S2Na3
Molecular weight
534.4

Classification

Technical Data

Properties

PropertyValue
Physical state at 20 °C Solid
Colour Orange coloured powder
Odour Odorless

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

Specifications

ParameterSpecificationUnit
Appearance Orange colored powder —
Absorption maxima in water 421 - 427 nm nm
Absorptivity (A 1%/1cm; at λmax) Min 400 —
Loss on drying (135 °C) Max 15 % %

Packaging

Pack size SKU
25 g RA002544-PK-25G
100 g RA002544-PK-100G
1 kg RA002544-PK-1KG