Phenol USP/Ph.Eur PARENTEX 500GM Go Back


: 108-95-2

Molecular Formula

: C6H5OH

Molecular Weight

: 94.11
Description: Colorless to light pink or faintly yellowish, interlaced or separate needle-shaped crystals or white to light pink, crystalline mass. has a characteristic odor. Gradually darkens on exposure to light and air,deliquescent..
Solubility: Soluble in water, very soluble in alcohol, in ethanol (96%) in glycerin, in chloroform, in ether, in methylene chloride and in fixed and volatile oils; sparingly soluble in mineral oil.
Identification (By chemical test 1): A white precipitate should form which should dissolve at first but become permanent as more of the reagent added
Identification (By chemical test 2): A blue color should develop and become progressively more intense
Identification (By chemical test 3): A violet color should produce which should disappear on additoin 5ml of 2-propanol
Assay (on Anhydrous basis): 99.0%-100.5%
Limit of Nonvolatile residue /Residue on evaporation: NMT 0.05% ; NMT 2.5mg
Clarity of solution and reaction: A solution should be clear and neutral or acid to litmus paper.
Appearance Solution: Solution should be clear and not more intensely coloured than reference solution B6.
Acidity: Yellow solution
Congealing temperature: NLT 39°C
Freezing point: NLT 39.5°C
Water: NMT 0.5%
Total aerobic microbial count: NMT 1000 CFU/ml
Total Yeast and mold count: NMT 1000 CFU/ml
Becterial endotoxins test: NMT 0.2 EU/mg
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