Manufacturer Supply High Quality CAS 27425-55-4 Coumarin 7

• CAS No.: 27425-55-4
• Formula: C20h19n3o2
• EINECS: 248-451-4
• Type: Synthesis Material Intermediates
• Appearance: White Powder
• Quality: Industrial
• Model NO.: TY-02AL
• Colour: White
• Package: Foil Bag
• Place: China
• Assay: 99%
• Shelf: 2 Years
• Transport Package: 25kg/Drum 5g, 100g, 500g, 1kg, 10kg, 100kg, 200kg
• Specification: 25kg/drum
• Trademark: tongyon
• Origin: China
• Production Capacity: 5000kg/Month

Product Description

 

Product name	COUMARIN 7
CAS	27425-55-4
Appearance	white powder
Assay	99%
Storage	Cool and Protect from light

COUMARIN 7
Product Name COUMARIN 7

CAS 27425-55-4

MF C20H19N3O2

MW 333.38

EINECS 248-451-4

MOL File 27425-55-4.mol

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
pka 10.83±0.10(Predicted)
form  Powder
color  Bright yellow


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.

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



GuangZhou TongYi biochemistry technology Co., Ltd is a company specializing in active pharmaceutical ingredient
(API), biology, plant extracts, chemical raw materials, fine chemicals, pharmaceutical intermediates, cosmetics raw
material. Our company has always adhered to the company philosophy of integrity, professionalism, quality first, and
customer service. With the efforts of all the company's employees, it has established long-term
and stable cooperative relations with many domestic and foreign customers, and won the unanimous trust of domestic
and foreign customers. With good comments, our company have made great progress.

Our company takes pioneering and innovative, high-quality and efficient as the code of conduct, and strives to provide
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high-quality products, and reasonable prices. We have established a customer demand-oriented, flexible, diverse and customizable service according to the different needs of different customers. Mode, and ultimately achieve the goal of
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Our company focuses on the future and the world, and will continue to devote itself to technological progress and the
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to create a better future.