Coumarin 343

Coumarin 343 Basic information

Product Name:	Coumarin 343
Synonyms:	KMG-20;COUMARIN 519;COUMARIN 343;RARECHEM AL BO 1145;Coumarin343,lasergrade;Coumarin343lasergrade;Coumarin 343, laser grade, pure;COUMARIN(RG)
CAS:	55804-65-4
MF:	C16H15NO4
MW:	285.29
EINECS:	259-824-6
Product Categories:	C;Stains and Dyes;Stains&Dyes, A to
Mol File:	55804-65-4.mol

Coumarin 343 Chemical Properties

Melting point	240 °C(lit.)
Boiling point	574.8±50.0 °C(Predicted)
density	1.47±0.1 g/cm3(Predicted)
pka	-98.22±0.20(Predicted)
form	Crystalline Powder
color	Orange
EPA Substance Registry System	1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo- (55804-65-4)

Safety Information

Hazard Codes	Xn
Risk Statements	36/37/38-20/21/22
Safety Statements	37/39-26-24/25
WGK Germany	3
HS Code	29349990

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English

Coumarin 343 Usage And Synthesis

Chemical Properties	orange crystalline powder
Uses	Suitable as a laser dye.
Definition	ChEBI: Coumarin 343 is a member of 7-aminocoumarins. It has a role as a fluorochrome.

Coumarin 343 Preparation Products And Raw materials

Raw materials

2,3,5,6-1H,4H-TETRAHYDRO-8-METHOXYCARBONYL-QUINOLIZINO- (9,9A,1-GH)COUMARIN-->Coumarin 334-->Coumarin 314-->8-HYDROXYJULOLIDINE-9-ALDEHYDE-->8-Methoxyjulolidine-->8-HYDROXYJULOLIDINE-->Diethyl malonate-->2,2-Dimethyl-1,3-dioxane-4,6-dione-->3-Aminophenol-->m-Anisidine

Coumarin-3-carboxylic acid 2H-CHROMEN-3-YLMETHANOL 3-Phenoxypropionic acid Coumarin Phenol, 3-(dimethylamino)-4-methyl- 2,4,6-TRIMETHYLANISOLE Julolidine 3-(4-METHOXYPHENYL)PROPIONIC ACID 3-METHYLCINNAMIC ACID 3-Acetoxy-N,N-dimethylaniline N,N,2,4,6-PENTAMETHYLANILINE 4-Methylumbelliferone CoumarinDerivatives 2-HYDROXYCINNAMIC ACID Coumarin 343 6-Methylcoumarin DICUMAROL 3-(2-METHOXY-PHENYL)-PROPYLAMINE

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