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COUMARIN 7

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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
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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
form 
Powder
pka
10.83±0.10(Predicted)
color 
Bright yellow
LogP
3.68
CAS DataBase Reference
27425-55-4(CAS DataBase Reference)
EPA Substance Registry System
2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-(diethylamino)- (27425-55-4)
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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

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COUMARIN 7 Usage And Synthesis

Chemical Properties

bright yellow powder

Uses

Coumarin is also known as benzoαpyrone. Coumarin 7 is a laser dye that is usually found in the nature. Dyes and metabolites.

Flammability and Explosibility

Non flammable

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

COUMARIN 7Supplier

Taizhou Jiecheng Chemical Co., Ltd. Gold
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0576-88203651 15967007102
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J & K SCIENTIFIC LTD.
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010-82848833 400-666-7788
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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3B Pharmachem (Wuhan) International Co.,Ltd.
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821-50328103-801 18930552037
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TCI (Shanghai) Development Co., Ltd.
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021-67121386
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Sales-CN@TCIchemicals.com