• Name

  Fluorescent Brightener 357

• EINECS 255-217-5
• CAS No. 41098-56-0
• Article Data3
• CAS DataBase
• Density 1.64[at 20℃]
• Solubility 201.1g/L at 20℃
• Melting Point
• Formula C40H44 N12 O18 S6 . 6 Na
• Boiling Point
• Molecular Weight 1369.14
• Flash Point
• Transport Information
• Appearance
• 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
• Molecular Structure
• Hazard Symbols
• 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]
• PSA 525.42000
• LogP 9.09520

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

Fluorescent Brightener 357 Toxicity Data With Reference