CI 45350

Product Name: CI 45350
CAS No.: 518-45-6
Chemical Name: CI 45350
Synonyms: KI202(2);KI202(1);Fluoresceine 94;C.I.Solvent Yellow 94:C.I.45350:1;3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
CBNumber: CB4965895
Molecular Formula: C20H12O5
Formula Weight: 332.30628
MOL File: 518-45-6.mol

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Hazard and Precautionary Statements (GHS)

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CI 45350 Chemical Properties,Usage,Production

Preparation

Resorcinol and Phthalic anhydride alone or in the presence of sulfuric acid Zinc chloride or condensation, namely for fluorescein, again into free acid.

Definition

ChEBI: Fluorescein (acid form) is a xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. It has a role as a radioopaque medium and a fluorescent dye. It is a xanthene dye, a member of benzoic acids, a hydroxy monocarboxylic acid, a cyclic ketone, a member of phenols and an organic heterotricyclic compound.

Properties and Applications

yellow. Soluble in water and ethanol as yellow, with strong green fluorescence. In concentrated sulfuric acid to yellow, with weak fluorescence, dilution after yellow, with yellow precipitation. Dye aqueous solution to join sodium hydroxide color dark, with dark green fluorescence. The dye for C.I. Acid Yellow 73 free Acid. Used in cosmetics coloring.

Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
		Melting point	Stable
ISO	Poor			Insoluble	General	No change

CI 45350 Preparation Products And Raw materials

Raw materials

Preparation Products

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CI 45350 Suppliers

China 16 Germany 1 United States 2 Global 19

Jiaxing Deyi Chemical Co., Ltd.

Tel: 86-0573-85866609 13325730825
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Xi'an Confluore Biological Technology Co., Ltd.

Tel: +86-156-80926068 +86-15680926068
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ANHUI WITOP BIOTECH CO., LTD

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Email: eric@witopchemical.com
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Alfa Chemistry

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Shenyang Xianchuang Chemical Co., Ltd.

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Guangzhou City Haizhu District Zhenghong Co.Ltd.

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Nanjing Shizhou Biology Technology Co.,Ltd

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Xi'an Kaixin Biotechnology Co., Ltd

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WEITIXIHAUGONG

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SHENYANG SINOCHEM BIOTECH CO.,LTD

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View Lastest Price from CI 45350 manufacturers

Xian confluore Biological Technology Co., Ltd.

Product: Fluorescin 518-45-6
Price: US $0.00/g
Min. Order: 10g
Purity: >95.00%
Supply Ability: 10g
Release date: 2024-03-28

518-45-6, CI 45350Related Search:

Solvent Yellow 98 Fluorescein-PEG6-NHS ester Fluorescein-PEG2-Azide Fluorescein-PEG3-N3 FLUORESCEIN MALEIMIDE 5(6)-(BIOTINAMIDOCAPROYLAMIDO) PENTYLTHI Flurescein-NHS ester Fluorescein-PEG3-(N-Boc)-Amine

KI202(1)

KI202(2)

Fluoresceine 94

3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one

C.I.Solvent Yellow 94:C.I.45350:1

518-45-6