• Name

  STAINS-ALL

• EINECS 231-047-7
• CAS No. 7423-31-6
• Density g/cm³
• Solubility Soluble in water.
• Melting Point >200℃
• Formula C30H27 N2 S2 . Br
• Boiling Point °Cat760mmHg
• Molecular Weight 559.594
• Flash Point °C
• Transport Information
• Appearance dull dark purplish to dark grey powder
• Safety 24/25
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 1-Ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1,2-d]thiazoliumbromide (6CI,7CI); Naphtho[1,2-d]thiazolium,1-ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-2-methyl-1-propenyl]-,bromide (9CI); Naphtho[1,2-d]thiazolium, 1-ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]-,bromide (8CI); 4,5,4',5'-Dibenzothiacarbocyanine bromide,3,3'-diethyl-9-methyl- (8CI);3,3'-Diethyl-9-methyl-4,5,4',5'-dibenzothiacarbocyanine bromide;3,3'-Diethyl-9-methyl-4,5,4',5'-naphthothiacarbocyanine bromide;4,5,4',5'-Dibenzo-3,3'-diethyl-9-methylthiacarbocyanine bromide; CarbocyaninDBTC; DBTC; Stains-all
• PSA 65.29000
• LogP 4.72030

Synthetic route

2168-84-5

methyl dithioacetate

42952-29-4

1-ethyl-2-methylnaphtho[1,2-d]thiazolium p-toluenesulphonate

A

68162-26-5

1-(1-ethyl-1H-naphtho[1,2-d]thiazol-2-ylidene)-propane-2-thione

B

7423-31-6

1,3-bis-(1-ethyl-naphtho[1,2-d]thiazol-2-yl)-2-methyl trimethinium ; bromide

Conditions

Conditions	Yield
With pyridine; triethylamine anschliessend Behandeln mit wss. KBr;

...Expand

42952-29-4

1-ethyl-2-methylnaphtho[1,2-d]thiazolium p-toluenesulphonate

78-39-7

Triethyl orthoacetate

7423-31-6

1,3-bis-(1-ethyl-naphtho[1,2-d]thiazol-2-yl)-2-methyl trimethinium ; bromide

Conditions

Conditions	Yield
With pyridine Behandeln des Reaktionsprodukts in Methanol mit wss. KBr;

Naphtho[1,2-d]thiazolium,1-ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-2-methyl-1-propen-1-yl]-,bromide (1:1) Chemical Properties

Naphtho[1,2-d]thiazolium,1-ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-2-methyl-1-propen-1-yl]-,bromide (1:1) Safety Profile