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PHTHALIC ACID AR

1,2-Benzenedicarboxylic acid

COAs

Packings

500 g (00500)

1PW1200500
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Article No. 05275 Grade AR
Purity 99.0% CAS No. 88-99-3
Molecular Formula C8H6O4 Molecular Weight 166.13
H.S. Code 2917.3930 Shelf Life 60 Months

Physical Properties

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

Specifications

Appearance White crystalline powder Assay (alkalimetric) Min 99.0%
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 (as Pb) Max 0.001%
Water Max 0.5% Sulphated ash Max 0.02%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date: 18-Jun-2015

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