CAS 55804-65-4|Coumarin 343

Introduction：Basic information about CAS 55804-65-4|Coumarin 343, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Coumarin 343 BiologicalActivity
3. Chemical & Physical Properties
4. Safety Information
5. Articles1
6. Synonyms

Common Name	Coumarin 343
CAS Number	55804-65-4	Molecular Weight	285.295
Density	1.5±0.1 g/cm3	Boiling Point	574.8±50.0 °C at 760 mmHg
Molecular Formula	C₁₆H₁₅NO₄	Melting Point	240ºC
MSDS	ChineseUSA	Flash Point	301.4±30.1 °C

Names

Name	coumarin 343
Synonym	More Synonyms

Coumarin 343 BiologicalActivity

Description	Coumarin 343 (C343) is a hydrophilic fluorescent probe for the micro water pool. λem is approximately 425 nm andλem is approximately from 425 nm to 550 nm by RF-1500[1].
Related Catalog	Research Areas >>OthersSignaling Pathways >>Others >>Others
References	[1]. Keiju Yamazaki, et al. Fluorometric analysis on physicochemical properties of phosphatidylcholine-based W/O microemulsion involved with enzymatic reactivity in phospholipid hydrolysis. Korean Journal of Chemical Engineering volume 25, pages 1439–1443 (2008).

Chemical & Physical Properties

Density	1.5±0.1 g/cm3
Boiling Point	574.8±50.0 °C at 760 mmHg
Melting Point	240ºC
Molecular Formula	C₁₆H₁₅NO₄
Molecular Weight	285.295
Flash Point	301.4±30.1 °C
Exact Mass	285.100098
PSA	70.75000
LogP	3.20
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.691
InChIKey	KCDCNGXPPGQERR-UHFFFAOYSA-N
SMILES	O=C(O)c1cc2cc3c4c(c2oc1=O)CCCN4CCC3

Safety Information

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3

Articles1

Carbonate Doping in TiO2 Microsphere: The Key Parameter Influencing Others for Efficient Dye Sensitized Solar Cell.

Sci. Rep. 6 , 23209, (2016)

Four key parameters namely light trapping, density of light harvesting centre, photoinduced electron injection and electron transport without self-recombination are universally important across all ki...

Synonyms

1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo-

Coumarin343

Coumarin 343

11-Oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid

MFCD00051335

EINECS 259-824-6

Coumarin 519

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