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Fluorescent Brightener 9
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Name

Fluorescent Brightener 9

 EINECS 205-117-2
CAS No. 133-66-4 Density g/cm3
PSA 280.68000 LogP 11.09640
Solubility 140mg/L at 20℃ Melting Point N/A
Formula C44H36 N12 O6 S2 . 2 Na Boiling Point °Cat760mmHg
Molecular Weight 936.942 Flash Point °C
Transport Information N/A Appearance N/A
Safety Moderately toxic by intraperitoneal route. Slightly toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx and SOx. Risk Codes N/A
Molecular Structure Molecular Structure of 133-66-4 (Fluorescent Brightener 9) Hazard Symbols N/A
Synonyms

2,2'-Stilbenedisulfonicacid, 4,4'-bis[(4,6-dianilino-s-triazin-2-yl)amino]-, disodium salt(6CI,7CI,8CI); Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]-,disodium salt (9CI); 4,4'-Bis(2,4-dianilino-1,3,5-triazin-6-ylamino)-2,2'-stilbenedisulfonic acid disodium salt;4,4'-Bis(2,4-dianilino-s-triazin-6-ylamino)stilbene-2,2'-disulfonic aciddisodium salt;4,4'-Bis(4,6-dianilino-s-triazin-2-ylamino)stilbene-2,2-disulfonic acid,disodium salt; 4,4'-Bis[(4,6-bisanilino-s-triazin-2-yl)amino]-2,2'-stilbenedisulfonicacid, disodium salt; Blankophor HZPA; Brightener BR 36; C.I. 40621; C.I.Fluorescent Brightener 9; Calcofluor White MR; Cellu-Brite; Disodium4,4'-bis(2,4-dianilino-s-triazin-6-ylamino)stilbene-2,2'-disulfonate; Disodium4,4'-bis[(2,4-dianilino-1,3,5-triazin-6-yl)amino]-2,2'-stilbenedisulfonate;Disodium4,4'-bis[(4,6-dianilino-s-triazin-2-yl)amino]-2,2'-stilbenedisulfonate;Fluorescent Brightener 9; Phorwite BA; Stralex DPA; Tinopal TAS

Article Data 3

Fluorescent Brightener 9 Synthetic route

6,6'-(ethene-1,2-diyl)bis(3-((4-chloro-6-(phenylamino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid)disodium salt

62-53-3

aniline

133-66-4

disodium 4,4'-bis[(4,6-dianilino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate

Conditions
ConditionsYield
Stage #1: 6,6'-(ethene-1,2-diyl)bis(3-((4-chloro-6-(phenylamino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid)disodium salt; aniline In polyethyleneglycol-300 at 130℃; for 0.5h;
Stage #2: With sodium hydroxide In water		23.4%

Fluorescent Brightener 9 Chemical Properties

 Chemical Name: Fluorescent Brightener 9
IUPAC NAME: Disodium 5-[(4,6-dianilino-1,3,5-triazin-2-yl)amino]-2-[(E)-2-[4-[(4,6-dianilino-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate
CAS No.: 133-66-4
EINECS: 205-117-2
Molecular Formula: C44H34N12Na2O6S2
Molecular Weight: 936.93 g/mol
Following is the structure of Disodium-4,4′-bis((4,6-dianilino-1,3,5-triazin-2-yl)amino)stilbene-2,2′-disulfonate (CAS No.:133-66-4):


The chemical synonymous of Disodium-4,4′-bis((4,6-dianilino-1,3,5-triazin-2-yl)amino)stilbene-2,2′-disulfonate (CAS No.:133-66-4) are Disodium 4,4'-bis[(4,6-dianilino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate ; Cellu-brite ; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt ; Fluorescent brightening agent 9 (C.I. 40621) ; 2,2'-(1,2-Ethenediyl)bis[5-[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]benzenesulfonic acid sodium] salt ; 4,4'-Bis(2,4-dianilino-1,3,5-triazin-6-ylamino)stilbene-2,2'-disulfonic acid disodium salt ; 4,4'-Bis[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonic acid disodium salt

Fluorescent Brightener 9 Toxicity Data With Reference

1.    

orl-rat LD50:>10 g/kg

     TXAPA9    Toxicology and Applied Pharmacology. 5 (1963),176.
2.    

ipr-rat LD50:1090 mg/kg

     GISAAA    Gigiena i Sanitariya. 49 (1)(1984),85.
3.    

orl-rbt LD50:>10 g/kg

     TXAPA9    Toxicology and Applied Pharmacology. 5 (1963),176.
4.    

orl-gpg LD50:>7 g/kg

     TXAPA9    Toxicology and Applied Pharmacology. 5 (1963),176.

Fluorescent Brightener 9 Consensus Reports

Reported in EPA TSCA Inventory.

Fluorescent Brightener 9 Safety Profile

Moderately toxic by intraperitoneal route. Slightly toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx and SOx.

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