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(7e)-3-(diethylamino)-7-imino-7h-chromeno[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile

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Origin: China

Cas No: 52372-39-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 52372-39-1 Formula: C23H19N5O Molecular Weight: 381.43000

Basic Info

Chemical Name	(7e)-3-(diethylamino)-7-imino-7h-chromeno[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
Synonyms	Solvent Red 197; 3-(Diethylamino)-7-imino-7H-benzo[4,5]imidazo[1,2-a]chromeno[3,2-c]pyridine-6-carbonitrile; EINECS 257-885-3;
CAS No.	52372-39-1
Molecular Formula	C23H19N5O
Molecular Weight	381.43000
PSA	81.32000
LogP	4.68398

Properties

Appearance & Physical State	Bright red powder
Density	1.33 g/cm3
Boiling Point	557.8ºC at 760 mmHg
Flash Point	291.2ºC
Refractive Index	1.713

Synthesis Route

7-dethylamino-3-(benzimidazol-2-yl)coumarin-2-imine+malononitrile→(7e)-3-(diethylamino)-7-imino-7h-chromeno[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile

Precursor

7-dethylamino-3-(benzimidazol-2-yl)coumarin-2-imine
malononitrile

Downstream Product

3-(Diethylamino)-7-oxo-7H-(1)benzopyrano(3',2':3,4)pyrido(1,2-a)benzimidazole-6-carbonitrile

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