ChemicalBook Product Catalog Dyes and Pigments dye Solvent Dyes COUMARIN 7

COUMARIN 7

COUMARIN 7 Basic information
Product Name:COUMARIN 7
Synonyms:3-(1H-Benzimidazol-2-yl)-7-(diethylamino)-2-benzopyrone;3-(1H-BENZIMIDAZOL-2-YL)-7-(DIETHYLAMINO)-2H-CHROMEN-2-ONE;3-(1H-BENZOIMIDAZOL-2-YL)-7-DIETHYLAMINO-CHROMEN-2-ONE;3-(2-BENZIMIDAZOLYL)-7-(DIETHYLAMINO)COUMARIN;3-(2'-BENZIMIDAZOLYL)-7-N,N-DIETHYL-AMINOCOUMARIN;SETARON BRILLIANT FLAVINE 8GFF;SUMIKARON BRILLIANT FLAVINE S 10G;TERASIL BRILLIANT FLAVINE 8GFF
CAS:27425-55-4
MF:C20H19N3O2
MW:333.38
EINECS:248-451-4
Product Categories:Solvent Dyestuff
Mol File:27425-55-4.mol
COUMARIN 7 Structure
COUMARIN 7 Chemical Properties
Melting point 234-237 °C(lit.)
Boiling point 470.35°C (rough estimate)
density 1.2071 (rough estimate)
refractive index 1.6200 (estimate)
storage temp. -20°C
solubility DMF: 1 mg/ml; DMSO: 1 mg/ml; Ethanol: insol; PBS (pH 7.2): insol
pka10.83±0.10(Predicted)
form Powder
color Bright yellow
LogP3.68
CAS DataBase Reference27425-55-4(CAS DataBase Reference)
EPA Substance Registry System2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-(diethylamino)- (27425-55-4)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-20/21/22
Safety Statements 26-38-37/39
WGK Germany 3
HS Code 29332900
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
COUMARIN 7 Usage And Synthesis
Chemical Propertiesbright yellow powder
UsesCoumarin is also known as benzoαpyrone. Coumarin 7 is a laser dye that is usually found in the nature. Dyes and metabolites.
Flammability and ExplosibilityNonflammable
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

BRILLIANT YELLOW

SHADE

BLUISH

HEAT RESISTANCE

260 °C min

LIGHT FASTNESS

5-6

ACID RESISTANCE

4

ALKALI RESISTANCE

5

WATER RESISTANCE

5

DENSITY

1.20 g/cm 3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

WEIGHT METAL TOTAL

50ppm max

Warfarin 7-ETHOXY-3-(4'-HYDROXYPHENYL)-4-PHENYL COUMARIN 7-(DIETHYLAMINO)COUMARIN-3-CARBOHYDRAZIDE 7-Hydroxycoumarin 7-DIETHYLAMINO-3-THENOYLCOUMARIN 7-ETHOXY-3-(4'-ETHOXYPHENYL)-4-METHYL COUMARIN 7-(DIETHYLAMINO)COUMARIN-3,4-DICARBOXYLIC ACID 7-ETHOXY-3,4-DIPHENYL COUMARIN 8-HYDROXY-7-METHOXYCOUMARIN 4-METHYL-3-PHENYLCOUMARIN 7-HYDROXY-4-(3-TRIFLUOROMETHYLPHENYL)COUMARIN 7-HYDROXY-3-(4'-HYDROXYPHENYL)-4-METHYL COUMARIN 7-ETHOXY-4-METHYL-3-(2-THIOPHENYL)COUMARIN 7-Diethylamino-3-[N-(2-maleimidoethyl)carbamoyl]coumarin 6-nitrocoumarin 4-CHLORO-3-NITROCOUMARIN 4-METHOXYCOUMARIN 7-(DIETHYLAMINO)COUMARIN-3-CARBONYL AZIDE
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