Coumarin 334

Coumarin 334 Suppliers list

Company Name:	Hubei xin bonus chemical co. LTD
Tel:	86-13657291602
Email:	linda@hubeijusheng.com
Products Intro:	Product Name:Coumarin 334 CAS:55804-67-6 Purity:0.99 Package:5KG;1KG

Company Name:	CONIER CHEM AND PHARMA LIMITED
Tel:	+8618523575427
Email:	sales@conier.com
Products Intro:	Product Name:coumarin 334 CAS:55804-67-6 Purity:0.99 Package:1kg

Company Name:	Shaanxi Dideu Medichem Co. Ltd
Tel:	+86-29-87569266 15319487004
Email:	1015@dideu.com
Products Intro:	Product Name:Coumarin?334 CAS:55804-67-6 Purity:99.0% Package:100g;1kg;5kg;25kg

Company Name:	Zhengzhou Alfa Chemical Co.,Ltd
Tel:	+8618530059196
Email:	sale04@alfachem.cn
Products Intro:	Product Name:Coumarin 334 CAS:55804-67-6 Purity:95%min Package:5g;25g;100g;500g;1kg;25kg

Coumarin 334 manufacturers

Coumarin 334 Basic information

Product Name:	Coumarin 334
Synonyms:	10-Acetyl-1,2,6,7-tetrahydro-3H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-11-one;Coumarin 334,99%,pure,laser grade;Coumarine 334;1h,5h,11h-[1]benzopyrano[6,7,8-ij]quinolizin-11-one,10-acetyl-2,3,6,7-tetrahyd;C 334;COUMARIN 521;COUMARIN 334;1H,5H,11H-[1]BENZOPYRANO[6,7,8-IJ]QUINOLIZIN-11-ONE, 10-ACETYL-2,3,6,7-TETRAHYDRO-
CAS:	55804-67-6
MF:	C17H17NO3
MW:	283.32
EINECS:	259-826-7
Product Categories:	C;Stains and Dyes;Stains&Dyes, A to
Mol File:	55804-67-6.mol

Coumarin 334 Chemical Properties

Melting point	181-184 °C(lit.)
Boiling point	425.88°C (rough estimate)
density	1.1077 (rough estimate)
refractive index	1.5400 (estimate)
storage temp.	room temp
solubility	ethanol: 10mg/mL
pka	5.37±0.40(Predicted)
form	powder or crystals
Water Solubility	NEGLIGIBLE
λmax	452 nm
ε(extinction coefficient)	≥45000 at 449-455nm in ethanol
EPA Substance Registry System	1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- (55804-67-6)

Safety Information

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English

Coumarin 334 Usage And Synthesis

Chemical Properties	orange crystalline powder
Uses	Suitable as a laser dye.
Uses	Coumarin 334 is a laser dye with an absorption maximum of 452 nm. Dyes and metabolites.

Coumarin 334 Preparation Products And Raw materials

Raw materials	8-HYDROXYJULOLIDINE-9-ALDEHYDE-->8-Methoxyjulolidine-->8-HYDROXYJULOLIDINE-->Ethyl acetoacetate-->3-Aminophenol-->m-Anisidine
Preparation Products	2-(4-DIMETHYLAMINO-2-HYDROXY-BENZOYL)-BENZOIC ACID-->Coumarin 343

Tag:Coumarin 334(55804-67-6) Related Product Information

Acetylacetone DICUMAROL 4-Methylumbelliferone Acetyl coenzyme A sodium salt Acetyl chloride Coumarin 7-Hydroxy-1,2,3,4-tetrahydroquinoline 2,6-Diethyl-4-methylaniline 1,2,3,4-Tetrahydro-1-methylquinoline 8-HYDROXYJULOLIDINE 3-Diethylaminophenol 8-Methyl-1,2,3,4-tetrahydroquinoline N,N,2,4,6-PENTAMETHYLANILINE 2-PROPENAL, 3-(3-METHYLPHENYL)-,(2E) 6-METHYL-1,2,3,4-TETRAHYDROQUINOLINE p-tolyl butyrate 2-(3-AMINOPROPYL)PHENOL 3-M-TOLYL-PROPYLAMINE

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