2-Phenylbenzimidazole-5-Sulfonic Acid

 [ 27503-81-7 ]

Synonyms:
 UV-T; 2-Phenylbenzimidazole-5-sulphonic acid monohydrate
Formula Weight:
C13H10N2O3S = 274.29
Properties:
Applications:
Specifications:
 Appearance: White to off-white fine, crystalline powder
Solubility: Soluble in water, ethanol, isopropanol, glycerol, propylene glycol when converted to s salt
Assay: (Acidimetric, dry basis) 98.0% - 102.0%
Identity:(UV Spectrum) Conforms
UV Transmission:Conforms
Appearance of Solution:(5% NaOH 0.2mol/L) Clear
Specific Absorbance: 920-990 at 302 nm (1% w/v, 0.0002M NaOH, 1cm)
Chloride: (Cl)≤0.05%
Sulfate: (SO4) ≤0.05%
Heavy Metals: (as Pb)≤0.001%
Arsenic: (As)≤0.00015%
Sulfated Ash: ≤0.1%
Water Content: ≤2.0%
Microbial Purity: ≤100CFU/g, no pathogens
Package:
 Fiber Drum, 25KG Net / Drum

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