Fluorescent whitening agent BBU with CAS 16470-24-9

CAS: 16470-24-9

Molecular Weight: 1101.1

EINECS: 240-521-2

MF: C40H45N12NaO16S4

Synonyms: PHORWHITEBBU;Benzenesulfonicacid,2,2-(1,2-ethenediyl)bis5-4-bis(2-hydroxyethyl)amino-6-(4-sulfophenyl)amino-1,3,5-triazin-2-ylamino-,tetrasodiumsalt

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What is Fluorescent Brightener 220 CAS 16470-24-9?

The fluorescent whitening agent BBU is a styrene-tetrasulfonic acid type fluorescent whitening agent with good water solubility and stable performance. It is not sensitive to hard water, does not react with reducing agents and oxidants, and Ca2+ and Mg2+ do not affect the whitening effect. It is suitable for brightening cotton fiber and viscose fiber.

Specification

ITEM	STANDARD	RESULT
Appearance	Yellow homogeneous powder	Yellow homogeneous powder
Moisture	≤5.0%	3.08%
Maximum UV absorption wavelength	348-350nm	348nm
Fluorescence intensity (E-value)	370±2	371

Application

The fluorescent whitening agent BBU is suitable for paper coating. The general dosage of fluorescent whitening agent BBU is: liquid whitening agent to dry pulp weight: 0.5-1%; The maximum dosage should not exceed 1.5%.