• Name

  Vat Red 41

• EINECS 208-336-1
• CAS No. 522-75-8
• Density 1.544 g/cm³
• Solubility 1mg/L
• Melting Point 280°C(lit.)
• Formula C₁₆H₈O₂S₂
• Boiling Point 409.2 °C at 760 mmHg
• Molecular Weight 296.37
• Flash Point 177 °C
• Transport Information
• Appearance
• Safety 26-36
• Risk Codes 36/37/38
• Molecular Structure
• Hazard Symbols
• Synonyms Thioindigo(6CI);[D2,2'(3H,3'H)-Bibenzo[b]thiophene]-3,3'-dione(7CI,8CI);Antinolo Red B;C.I. 73300;C.I. Disperse Red 364;C.I. Solvent Red242;C.I. Vat Red 41;Ciba Pink B;Disperse Red 364;Durindone Printing Red B;Durindone Red B;Durindone Red BP;Helindon Red BB;Isothioindigo;Kenawax Fluorescent Red 3BYP;Plast Red D 54;SamaronBrilliant Pink 5B;Solvent Red 242;Thioindigo Red B;Thioindigo red C;Tyrian Red A 5B;Vat Red 5B;
• PSA 84.74000
• LogP 4.17520

Synthetic route

522-75-8

thioindigo

88-21-1

2-amino-1-benzenesulfonic acid

Conditions

Conditions	Yield
With (2,2':6',2''-terpyridine)(pyridine-2-carboxylate)iron(II)chloride; sodium hydroxide In water; acetonitrile	95%

522-75-8

thioindigo

C98H80O24S6(6-)*6Na(1+)

C16H8O2S2*C98H80O24S6(6-)*6Na(1+)

Conditions

Conditions	Yield
In water at 20℃; for 0.666667h; Sonication;	36%

bis(acetonitrile)bis(2,4-pentanedionato)ruthenium(II)

522-75-8

thioindigo

A

C26H22O6RuS2

C36H36O10Ru2S2

Conditions

Conditions	Yield
In tetrahydrofuran for 6h; Reflux; Inert atmosphere;	A 35% B 30%

...Expand

522-75-8

thioindigo

804448-33-7

3,3'-bis-sulfooxy-[2,2']bi[benzo[b]thiophenyl]

Conditions

Conditions	Yield
With chlorosulfonic acid; sodium acetate; zinc In ethyl acetate at 40℃; for 0.5h;

522-75-8

thioindigo

36239-09-5

ethyl chlorocarbonylacetate

C26H22O8S2

Conditions

Conditions	Yield
With sodium acetate; zinc In ethyl acetate at 40℃;

522-75-8

thioindigo

36239-09-5

ethyl chlorocarbonylacetate

C21H16O5S2

Conditions

Conditions	Yield
With sodium acetate; zinc In ethyl acetate at 40℃; for 0.5h;

14254-57-0

4-(chlorocarbonyl)pyridine

522-75-8

thioindigo

C28H16N2O4S2

Conditions

Conditions	Yield
With sodium acetate; zinc In ethyl acetate at 40℃; for 0.5h;

Vat Red 41 Chemical Properties

Vat Red 41 Uses

Vat Red 41 Toxicity Data With Reference

Vat Red 41 Consensus Reports

Vat Red 41 Safety Profile