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Product Name: 1,1'-Diethyl-2,2'-carbocyanineiodide
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605-91-4

605-91-4 structure

Name: 1,1'-Diethyl-2,2'-carbocyanine iodide
Chemical Name: pinacyanol iodide
CAS Number: 605-91-4
Molecular Formula: C₂₅H₂₅IN₂
Molecular Weight: 480.384
Catalog: Chemical reagent Organic reagent Amine salt (ammonium salt)
Create Date: 2018-03-16 08:00:00
Modify Date: 2025-08-24 21:15:44
Pinacyanol iodide is a fluorescent cyanine dye. Pinacyanol iodide exhibits ultrafast excited state isomerization[1].

Name	pinacyanol iodide
Synonyms	Quinolinium, 1-ethyl-2-[3- (1-ethyl-2(1H)-quinolinylidene)-1-propenyl]-, iodide Pinacyanol Iodide EINECS 210-099-4 MFCD00011975 Quinolinium, 1-ethyl-2-[(1E,3Z)-3-(1-ethyl-2(1H)-quinolinylidene)-1-propen-1-yl]-, iodide (1:1) 1-Ethyl-2-[3-(1-ethylquinolin-2(1H)-ylidene)prop-1-en-1-yl]quinolinium iodide 1-Ethyl-2-[(1E,3Z)-3-(1-ethyl-2(1H)-quinolinylidene)-1-propen-1-yl]quinolinium iodide 1-Ethyl-2-[(1E,3E)-3-(1-ethylquinolin-2(1H)-ylidene)prop-1-en-1-yl]quinolinium iodide quinolinium, 1-ethyl-2-[(1E,3E)-3-(1-ethyl-2(1H)-quinolinylidene)-1-propen-1-yl]-, iodide (1:1) 1,1'-DIETHYL-2,2'-CARBOCYANINE IODIDE

Description	Pinacyanol iodide is a fluorescent cyanine dye. Pinacyanol iodide exhibits ultrafast excited state isomerization[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Galestian Pour A, et al. Anharmonic vibrational effects in linear and two-dimensional electronic spectra. Phys Chem Chem Phys. 2017 Sep 20;19(36):24752-24760.

Density	1.151g/cm3
Boiling Point	527.7ºC at 760 mmHg
Melting Point	295 °C (dec.)(lit.)
Molecular Formula	C₂₅H₂₅IN₂
Molecular Weight	480.384
Flash Point	240.2ºC
Exact Mass	480.106232
PSA	8.81000
LogP	1.90080
Index of Refraction	1.685

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VC3676870

CHEMICAL NAME :: Quinolinium, 1-ethyl-2-(3-(1-ethyl-2(1H)-quinolylidene)propenyl)-, iodide

CAS REGISTRY NUMBER :: 605-91-4

LAST UPDATED :: 198405

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C25-H25-N2.I

MOLECULAR WEIGHT :: 480.42

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,296,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,296,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 3700 ug/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,296,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 9 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,296,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 47 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,296,1951

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301 + H311 + H331
Precautionary Statements	P261-P280-P301 + P310-P311
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T
Risk Phrases	R23/24/25
Safety Phrases	S36/37/39-S45
RIDADR	UN 2811 6.1/PG 2
WGK Germany	3
RTECS	VC3676870

50-00-0

606-55-3

605-91-4

Literature: Proceedings of the Imperial Academy (Tokyo), vol. 3, p. 337 Chem. Zentralbl., , vol. 98, # II p. 1962 Photographic Journal, vol. 60, p. 256 Chem.Abstr., , vol. 14, p. 2587

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122-51-0

605-91-4

Literature: Journal of the Chemical Society, , p. 2801 Journal of the Chemical Society, , p. 1478

606-55-3

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Literature: Archiv der Pharmazie (Weinheim, Germany), , vol. 299, p. 984,987, 989, 990

3947-76-0

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Literature: Journal of the Chemical Society, , vol. 123, p. 256

606-55-3

298-12-4

605-91-4

Literature: DE189942 ;

Precursor 5
50-00-0 606-55-3 122-51-0 3947-76-0
298-12-4
DownStream 0

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