3,3'-ethylidenebis[4-hydroxy-2-benzopyrone]

Modify Date: 2024-01-02 11:35:15

3,3'-ethylidenebis[4-hydroxy-2-benzopyrone] structure	Common Name	3,3'-ethylidenebis[4-hydroxy-2-benzopyrone]
	CAS Number	1821-16-5	Molecular Weight	350.32200
	Density	1.534g/cm3	Boiling Point	520.7ºC at 760 mmHg
	Molecular Formula	C₂₀H₁₄O₆	Melting Point	N/A
	MSDS	N/A	Flash Point	188.6ºC

Name	4-hydroxy-3-[1-(4-hydroxy-2-oxochromen-3-yl)ethyl]chromen-2-one
Synonym	More Synonyms

Density	1.534g/cm3
Boiling Point	520.7ºC at 760 mmHg
Molecular Formula	C₂₀H₁₄O₆
Molecular Weight	350.32200
Flash Point	188.6ºC
Exact Mass	350.07900
PSA	100.88000
LogP	3.46240
Vapour Pressure	1.14E-11mmHg at 25°C
Index of Refraction	1.717

RIDADR	UN 2811
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2932209090

4-Hydroxycoumarin structure

4-Hydroxycoumarin

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ch3cho structure

ch3cho

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~94%

3,3'-ethylidenebis[4-hydroxy-2-benzopyrone] Structure

3,3'-ethylidene...

CAS#:1821-16-5

Literature: Khan, Khalid Mohammed; Iqbal, Sajid; Lodhi, Muhammad Arif; Maharvi, Ghulam Murtaza; Zia-Ullah; Choudhary, Muhammad Iqbal; Atta-ur-Rahman; Perveen, Shahnaz Bioorganic and Medicinal Chemistry, 2004 , vol. 12, # 8 p. 1963 - 1968

2-hydroxypropionic acid structure

2-hydroxypropio...

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4-Hydroxycoumarin structure

4-Hydroxycoumarin

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phosphoryl trichloride structure

phosphoryl tric...

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1,1,2,2-Tetrachloroethane structure

1,1,2,2-Tetrach...

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~%

Detail

Literature: Ziegler et al. Monatshefte fuer Chemie, 1956 , vol. 87, p. 439,445

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Methyl-dicumarol

4,4'-dihydroxy-3,3'-ethane-1,1-diyl-bis-chromen-2-one

Ethylidene dicoumarol

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,3'-ethylidenebis[4-hydroxy-2-benzopyrone]
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

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