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Name	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)	EINECS	231-047-7
CAS No.	7423-31-6	Density	g/cm³
PSA	65.29000	LogP	4.72030
Solubility	Soluble in water.	Melting Point	>200℃
Formula	C30H27 N2 S2 . Br	Boiling Point	°Cat760mmHg
Molecular Weight	559.594	Flash Point	°C
Transport Information	N/A	Appearance	dull dark purplish to dark grey powder
Safety	24/25	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
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

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) 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;

: 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

Molecular Structure:

Molecular Formula: C₃₀H₂₇BrN₂S₂
Molecular Weight: 559.5828
IUPAC Name: (2Z)-1-Ethyl-2-[(Z)-3-(1-ethylbenzo[e][1,3]benzothiazol-1-ium-2-yl)-2-methylprop-2-enylidene]benzo[e][1,3]benzothiazole bromide
Synonyms of 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) (CAS NO.7423-31-6): 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 ; Carbocyanin DBTC ; DBTC ; EINECS 231-047-7 ; NSC 290437 ; Stains-all ; 1-Ethyl-2-(3-(1-ethylnaphtho(1,2-d)thiazol-2(1H)-ylidene)-2-methyl-1-propenyl)naphtho(1,2-d)thiazolium bromide ; Naphtho(1,2-d)thiazolium, 1-ethyl-2-(3-(1-ethylnaphtho(1,2-d)thiazol-2(1H)-ylidene)-2-methyl-1-propenyl)-, bromide ; Naphtho(1,2-d)thiazolium, 1-ethyl-2-(3-(1-ethylnaphtho(1,2-d)thiazol-2-ylidene)-2-methylpropenyl)-, bromide
CAS NO: 7423-31-6
Classification Code: Coloring Agents
H bond acceptors: 2
Freely Rotating Bonds: 4
Polar Surface Area: 60.66 Å²

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

Safety Statements of 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) (CAS NO.7423-31-6): 24/25
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3
F: 3-8-10

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