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16470-24-9 Fluorescent brightener BBU

product Name Fluorescent brightener BBU
CAS No 16470-24-9
Synonyms C.I. Fluorescent Brightener 220; tetrasodium 4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulphonatoanilino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate]; PHORWHITE BBU; 2,2’-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-benzenesulfonicacitetrasodiumsalt; 2,2’-Stilbenedisulfonicacid,4,4’-bis[[4-bis(2-hydroxyethyl)amino]-6-(p-sulfoanilino)-s-triazin-2-yl]amino]-,tetrasodiumsalt; 3,5-triazin-2-yl)amino)--6-((4-sulfophenyl)amino)-tetrasodiumsalt; 3,5-triazin-2-yl]amino]--6-[(4-sulfophenyl)amino]-tetrasodiumsalt; Benzenesulfonicacid,2,2’-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-,tetrasodiumsalt; blancoforbbu; tetrasodium 3,3'-(E)-ethene-1,2-diylbis[6-({4-[bis(2-hydroxyethyl)amino]-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl}amino)benzenesulfonate]; tetrasodium 2,2'-(E)-ethene-1,2-diylbis[5-({4-[bis(2-hydroxyethyl)amino]-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl}amino)benzenesulfonate]; Fluorescent Brightener 220
Molecular Formula C40H40N12Na4O16S4
Molecular Weight 1165.0355
InChI InChI=1/C40H44N12O16S4.4Na/c53-19-15-51(16-20-54)39-47-35(41-27-7-11-31(12-8-27)69(57,58)59)45-37(49-39)43-29-5-3-25(33(23-29)71(63,64)65)1-2-26-4-6-30(24-34(26)72(66,67)68)44-38-46-36(48-40(50-38)52(17-21-55)18-22-56)42-28-9-13-32(14-10-28)70(60,61)62;;;;/h1-14,23-24,53-56H,15-22H2,(H,57,58,59)(H,60,61,62)(H,63,64,65)(H,66,67,68)(H2,41,43,45,47,49)(H2,42,44,46,48,50);;;;/q;4*+1/p-4/b2-1+;;;;
EINECS 240-521-2
Molecular Structure 16470-24-9 Fluorescent brightener BBU

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Description

Main Chemical Composition: stilbene bistriazine derivative

Specification:

C.I. NO. 220

Appearance: Slight yellow powder

Fluorescent Color: Slight reddish to VBL Whitening strength: 130( compare with standard sample) Moisture: ≤5% Fineness( 150μm mesh residue): ≤5%

Property:

1. Very good solubility, It can be diluted in three times water. The solution can keep stable without adding other additives.

2. Anionic type, acid endurable, can be used in one bath of anionic and nonionic surfactant.

3. To be unendurable to the heavy metal ion such copper, iron, etc. Unsuitable to be used in one bath of cationic dyestuff and surfactant.

Application:

1. Whitening agent for cotton fabric and its blend.

2. Whitening agent for white pattern in discharge printing of cellulose fabric

3. Whitening agent for light colored cellulose fiber. Process:

1.exhausting whitening process: BBU: 0.02-0.2% (o.w.f.), bath rati...
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