Benzene sulphonic acid HP PARENTEX PLUS 500GM Go Back


: 98-11-3

Molecular Formula

: C6H5SO3H

Molecular Weight

: 158.18
Description: White to off-white or light brownish crystals/powder or lumps. It is hydroscopic.
Solubility: Soluble in water & alcohol.
Identification by IR: IR spectra of the sample should be concomitant with IR spectra of the standard.
Chloride (Cl): NMT 0.05%
Moisture: NMT 2.0%
Assay (By Titration): NLT 98.0% on anhydrous Basis
Residue on ignition: NMT 0.1%
Purity (By HPLC): NLT 98.0%
Organic impurities; Diphenyl sulfone: NMT 2.0%
Organic impurities; Total impurities: NMT 2.0%
Cyclohexane as residual solvent: NMT 2000 ppm
Total aerobic microbial count: NMT 100 CFU/gm
Total combined yeast and molds count: NMT 10 CFU/gm
E.coli: should be absent/gm
Salmonella: should be absent/10 gm
Staphylococcus aureus: should be absent/gm
Pseud. aeruginosa: should be absent/gm
Bile-tolerant gram negative bacteria: should be absent/gm
Bacterial endotoxins: NMT 2.5 EU/mg
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