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2,2′-(1,4-Phenylene)bis-1H-benzimidazole-4,6-disulfonic acid

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Product Code : 430

Product Description

2,2′-(1,4-Phenylene)bis-1H-benzimidazole-4,6-disulfonic acid

analytical reference material

Synonym: Bisdisulizole free acid

CAS Number 170864-82-1

Empirical Formula (Hill Notation) C₂₀H₁₄N₄O₁₂S₄

Molecular Weight 630.60

grade	analytical reference material
assay	≥70% (qNMR)
	≥98.0% (HPLC)
form	neat
shelf life	limited shelf life, expiry date on the label
application(s)	HPLC: suitable
	gas chromatography (GC): suitable
impurities	≤20% water
format	neat

Analysis Note

contains free H₂SO₄

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