2',4',5',7'-tetrachlorofluorescein

2',4',5',7'-tetrachlorofluorescein structure

CAS No.: 2320-38-9

Chemical Name:: 2',4',5',7'-tetrachlorofluorescein

Synonyms: Solvent Red 42;D and C Red No.26;C.I.Solvent Red 42:C.I.45366;2',4',5',7'-tetrachlorofluorescein;2',4',5',7'-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrachloro-3',6'-dihydroxy-

CBNumber:: CB81331332

Molecular Formula:: C20H8Cl4O5

Molecular Weight:: 470.09

MDL Number:

MOL File:: 2320-38-9.mol

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2',4',5',7'-tetrachlorofluorescein Properties

Melting point	296-305 °C(Solv: acetic acid (64-19-7))
Boiling point	647.4±55.0 °C(Predicted)
Density	1.87±0.1 g/cm3(Predicted)
pka	7.07±0.20(Predicted)

2',4',5',7'-tetrachlorofluorescein Chemical Properties,Uses,Production

Preparation

2,4-Dichlororesorcinol (2 Moore) and Phthalic anhydride (1 Moore) condensation, with Sodium hydroxide extraction segregating out 2 ‘, 4 ‘, 5 ‘, 7 ‘- tetrachlorofluorescein?(melting point of 296 ~ 305 ℃), then use Hydrochloric acid acidification.

Properties and Applications

blue light pink. Insoluble in water, soluble in 10% sodium hydroxide solution.

Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
		Melting point	Stable
ISO	Poor			Poor		Insoluble

2',4',5',7'-tetrachlorofluorescein Preparation Products And Raw materials

Raw materials

2,4-Dichlororesorcinol Phthalic anhydride

Preparation Products

2',4',5',7'-tetrachlorofluorescein Suppliers

Global( 2)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58

2320-38-9(2',4',5',7'-tetrachlorofluorescein)Related Search:

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2',4',5',7'-tetrachlorofluorescein D and C Red No.26 Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrachloro-3',6'-dihydroxy- Solvent Red 42 C.I.Solvent Red 42:C.I.45366 2',4',5',7'-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one 2320-38-9