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Name	Fluorescent Brightener 357	EINECS	255-217-5
CAS No.	41098-56-0	Density	1.64[at 20℃]
PSA	525.42000	LogP	9.09520
Solubility	201.1g/L at 20℃	Melting Point	N/A
Formula	C40H44 N12 O18 S6 . 6 Na	Boiling Point	N/A
Molecular Weight	1369.14	Flash Point	N/A
Transport Information	N/A	Appearance	N/A
Safety	Moderately toxic by skin contact. Low toxicity by ingestion. ingestion. When heated to decomposition it emits toxic vapors of NO_x and SO_x.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	1,4-Benzenedisulfonicacid,2,2'-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)imino[6-(diethylamino)-1,3,5-triazine-4,2-diyl]imino]]bis-,hexasodium salt (9CI);2,2'-(1,2-Ethenediyl)bis[5-[[4-(diethylamino)-6-[(2,5-disulfophenyl)amino]-1,3,5-triazin-2-yl]amino]benzenesulfonicacid] hexasodium salt; Hexasodium2,2'-[vinylenebis[(3-sulfonato-4,1-phenylene)imino[6-(diethylamino)-1,3,5-triazine-4,2-diyl]imino]]bis[benzene-1,4-disulfonate]	Article Data	3

Fluorescent Brightener 357 Synthetic route

: C32H18Cl2N10O18S6(6-)*6Na(1+)

: 111-42-2
2,2'-iminobis[ethanol]

: 41098-56-0
2,2'-(1,2-ethenediyl)bis[5-{(4-bis(2-hydroxyethyl)amino)-6-[(3,6-disulfophenyl)amino]-1,3,5-triazin-2-yl}amino]benzenesulfonic acid hexasidium salt

Conditions

Conditions	Yield
With sodium carbonate at 98℃; for 3.5h; pH=9;	89%

: 56-84-8
L-Aspartic acid

: C32H18Cl2N10O18S6(6-)*6Na(1+)

: 111-42-2
2,2'-iminobis[ethanol]

A: C40H32N12O24S6(8-)*8Na(1+)

B: C40H26N12O26S6(10-)*10Na(1+)

C: 41098-56-0
2,2'-(1,2-ethenediyl)bis[5-{(4-bis(2-hydroxyethyl)amino)-6-[(3,6-disulfophenyl)amino]-1,3,5-triazin-2-yl}amino]benzenesulfonic acid hexasidium salt

Conditions

Conditions	Yield
With sodium hydroxide In water at 95 - 100℃; for 4h; pH=8 - 9;

...Expand

: 3813-27-2
3-(N,N-diethylamino)propionamide

: 41098-56-0
2,2'-(1,2-ethenediyl)bis[5-{(4-bis(2-hydroxyethyl)amino)-6-[(3,6-disulfophenyl)amino]-1,3,5-triazin-2-yl}amino]benzenesulfonic acid hexasidium salt

: C40H38N12O22S6(6-)*3.6Na(1+)*2.4C7H16N2O*2.4H(1+)

Conditions

Conditions	Yield
With sulfuric acid; sodium chloride In water at 25℃;	100 g

Fluorescent Brightener 357 Chemical Properties

Molecular Structure of Fluorescent Brightener 357 (CAS NO.41098-56-0):

Molecular Formula: C₄₀H₃₈N₁₂Na₆O₁₈S₆
Molecular Weight: 1305.1279
IUPAC Name: Hexasodium 2-[[4-(diethylamino)-6-[4-[(E)-2-[4-[[4-(diethylamino)-6-(2,5-disulfonatoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]-3-sulfonatoanilino]-1,3,5-triazin-2-yl]amino]benzene-1,4-disulfonate
Synonyms of Fluorescent Brightener 357 (CAS NO.41098-56-0): 2,2'-(1,2-Ethenediyl)bis(5-((4-(diethylamino)-6-((2,5-disulfophenyl)amino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid, hexasodium salt ; EINECS 255-217-5 ; Tinopal CH 3669 ; 1,4-Benzenedisulfonic acid, 2,2'-(1,2-ethenediylbis((3-sulfo-4,1-phenylene)imino(6-(diethylamino)-1,3,5-triazine-4,2-diyl)imino))bis-, hexasodium salt ; 1,4-Benzenedisulfonic acid, 2,2'-(1,2-ethenediylbis((3-sulfo-4,1-phenylene)imino(6-(diethylamino)-1,3,5-triazine-4,2-diyl)imino))bis-, sodium salt (1:6) ; 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-(2,5-disulfoanilino)-6-(diethylamino)-s-triazin-2-yl)amino)-, hexasodium salt ; Hexasodium 2,2'-(vinylenebis((3-sulphonato-4,1-phenylene)imino(6-(diethylamino)-1,3,5-triazine-4,2-diyl)imino))bis(benzene-1,4-disulphonate)
CAS NO: 41098-56-0
Product Categories: Organics

Fluorescent Brightener 357 Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	skin	> 2gm/kg (2000mg/kg)		MVC-Report. Vol. 2, Pg. 193, 1973.
rat	LD50	oral	11320mg/kg (11320mg/kg)		MVC-Report. Vol. 2, Pg. 193, 1973.

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