Fluorescent Brightener 28 CAS 4193-55-9

Purity >95%In StockPharmaceutical Standards
CAS No.4193-55-9
Molecular FormulaC40H42N12O10S2 2*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Fluorescent Brightener 28 CAS 4193-55-9 chemical structure

Description

Fluorescent Brightener 28 (CAS 4193-55-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H42N12O10S2 2*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC40H42N12O10S2 2*Na
Molecular Weight937.96 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)26.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms12
Sulfur Atoms2

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