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Organic Acids

Barbituric Acid

RA000692 CAS 67-52-7 AR

Identity

Product code
RA000692
CAS number
67-52-7
Grade
AR
Purity
99%
Molecular formula
C4H4N2O3
Molecular weight
128.09

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White powder —
Odour Odorless —
Melting point/ Freezing point [°C] 248 - 252 °C °C
Flash point [°C] 150 °C °C
Boiling point [°C] 260 °C °C
Solubility in water [% weight] Patially soluble in water —

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

Specifications

ParameterSpecificationUnit Method
Appearance White to faint beige powder — —
Assay Min 99.0 % % —
Identity Conforms to structure — IR
Chloride (Cl) Max 0.004 % % —
Iron (Fe) Max 0.001 % % —
Loss on drying (105 °C) Max 0.1 % % —
Sulphated ash Max 0.1 % % —
Heavy metal Max 0.005 % % —
Suitability as reagent (for cyanide determination) Passes test — —

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
25 g RA000692-PK-25G
100 g RA000692-PK-100G