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Organic Acids

Phthalic Acid AR

RA002073 CAS 88-99-3 AR

Identity

Product code
RA002073
CAS number
88-99-3
Grade
AR
Purity
99.0%
Molecular formula
C8H6O4
Molecular weight
166.13

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Partition coefficient Log Pow octanol / water at 20°C 1.415 —
Colour White crystalline —
Odour Odorless —
pH value 2 —
Melting point/ Freezing point [°C] 210 - 211 °C °C
Flash point [°C] 168 °C °C
Vapour density 5.73 —
Density [g/cm3] 1.593 g/cm3 g/cm3
Solubility in water [% weight] Slightly soluble in water —

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

Specifications

ParameterSpecificationUnit Method
Appearance White crystalline powder — —
Sulphated ash Max 0.02 % % —
Assay Min 99.0 % % alkalimetric
Substance insoluble in Na2CO3 solution Max 0.05 % % —
Iron (Fe) Max 0.001 % % —
Chloride (Cl) Max 0.005 % % —
Sulphate (SO4) Max 0.005 % % —
Nitrate (NO3) Max 0.005 % % —
Heavy metal Max 0.001 % % —
Water Max 0.5 % % —

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
500 g RA002073-PK-500G