Dibutyl Phthalate USP/Ph.Eur 2.5KG Go Back

CASR

: 84-74-2

Molecular Formula

: C16H22O4

Molecular Weight

: 278.3
Specifications  
Description: A clear, oily liquid, colourless or very slightly yellow.
Solubility: Practically insoluble in water. Miscible with alcohol, ether and with ethanol (96%).
Identification A ( By Relative density, 20°C): 1.043-1.048
Identification B (By Refractive index, 20±0.5°C): 1.490-1.495
Identification C (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard.
Identification D (By TLC): The principal spot in the chromatogram obtained with the test solution is similar in position and size to the principal spot in the chromatogram obtained with the reference solution.
Identification E (By Chemical test): The solution becomes yellow or brownish-yellow and shows a green fluorescence.
Appearance of Solution: The substance to be examined is clear and not more intensely coloured than reference solution Y6.
Acidity: Not more than 0.50 mL of 0.1 M sodium hydroxide should required to change the colour of the indicator.
Water: NMT 0.2%
Sulphated ash / Residue on ignition: NMT 0.1%
Specific gravity, 20°C: 1.043-1.048
Refractive index (20°C ± 0.5°C): 1.490-1.495
Related compounds: NMT 1.0%
Assay: 99.0%-101.0% m/m
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